diff options
Diffstat (limited to 'llvm/test/Transforms/IndVarSimplify')
45 files changed, 1767 insertions, 0 deletions
diff --git a/llvm/test/Transforms/IndVarSimplify/2002-09-09-PointerIndVar.ll b/llvm/test/Transforms/IndVarSimplify/2002-09-09-PointerIndVar.ll new file mode 100644 index 00000000000..228772eb82c --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2002-09-09-PointerIndVar.ll @@ -0,0 +1,17 @@ +; Induction variable pass is doing bad things with pointer induction vars, +; trying to do arithmetic on them directly. +; +; RUN: llvm-as < %s | opt -indvars +; +define void @test(i32 %A, i32 %S, i8* %S.upgrd.1) { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %PIV = phi i8* [ %S.upgrd.1, %0 ], [ %PIVNext.upgrd.3, %Loop ] ; <i8*> [#uses=1] + %PIV.upgrd.2 = ptrtoint i8* %PIV to i64 ; <i64> [#uses=1] + %PIVNext = add i64 %PIV.upgrd.2, 8 ; <i64> [#uses=1] + %PIVNext.upgrd.3 = inttoptr i64 %PIVNext to i8* ; <i8*> [#uses=1] + br label %Loop +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2003-04-16-ExprAnalysis.ll b/llvm/test/Transforms/IndVarSimplify/2003-04-16-ExprAnalysis.ll new file mode 100644 index 00000000000..2487ea95e27 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2003-04-16-ExprAnalysis.ll @@ -0,0 +1,17 @@ +; This is a test case for the expression analysis code, not really indvars. +; It was assuming any constant of int type was a ConstantInteger. +; +; RUN: llvm-as < %s | opt -indvars + +@X = global i32 7 ; <i32*> [#uses=1] + +define void @test(i32 %A) { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %IV = phi i32 [ %A, %0 ], [ %IVNext, %Loop ] ; <i32> [#uses=1] + %IVNext = add i32 %IV, ptrtoint (i32* @X to i32) ; <i32> [#uses=1] + br label %Loop +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll b/llvm/test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll new file mode 100644 index 00000000000..96190991f73 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2003-09-12-MultiplePred.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep indvar + +define i32 @test() { +; <label>:0 + br i1 true, label %LoopHead, label %LoopHead + +LoopHead: ; preds = %LoopHead, %0, %0 + %A = phi i32 [ 7, %0 ], [ 7, %0 ], [ %B, %LoopHead ] ; <i32> [#uses=1] + %B = add i32 %A, 1 ; <i32> [#uses=2] + br i1 false, label %LoopHead, label %Out + +Out: ; preds = %LoopHead + ret i32 %B +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll b/llvm/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll new file mode 100644 index 00000000000..da22cf2e516 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | %prcontext Loop: 1 | grep %indvar + +; The indvar simplification code should ensure that the first PHI in the block +; is the canonical one! + +define i32 @test() { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %NonIndvar = phi i32 [ 200, %0 ], [ %NonIndvarNext, %Loop ] ; <i32> [#uses=1] + %Canonical = phi i32 [ 0, %0 ], [ %CanonicalNext, %Loop ] ; <i32> [#uses=1] + %NonIndvarNext = sdiv i32 %NonIndvar, 2 ; <i32> [#uses=1] + %CanonicalNext = add i32 %Canonical, 1 ; <i32> [#uses=1] + br label %Loop +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2003-12-10-IndVarDeadCode.ll b/llvm/test/Transforms/IndVarSimplify/2003-12-10-IndVarDeadCode.ll new file mode 100644 index 00000000000..bd9d1ef5cb9 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2003-12-10-IndVarDeadCode.ll @@ -0,0 +1,25 @@ +; The induction variable canonicalization pass shouldn't leave dead +; instructions laying around! +; +; RUN: llvm-as < %s | opt -indvars | llvm-dis | \ +; RUN: not grep {#uses=0} + +define i32 @mul(i32 %x, i32 %y) { +entry: + br label %tailrecurse + +tailrecurse: ; preds = %endif, %entry + %accumulator.tr = phi i32 [ %x, %entry ], [ %tmp.9, %endif ] ; <i32> [#uses=2] + %y.tr = phi i32 [ %y, %entry ], [ %tmp.8, %endif ] ; <i32> [#uses=2] + %tmp.1 = icmp eq i32 %y.tr, 0 ; <i1> [#uses=1] + br i1 %tmp.1, label %return, label %endif + +endif: ; preds = %tailrecurse + %tmp.8 = add i32 %y.tr, -1 ; <i32> [#uses=1] + %tmp.9 = add i32 %accumulator.tr, %x ; <i32> [#uses=1] + br label %tailrecurse + +return: ; preds = %tailrecurse + ret i32 %accumulator.tr +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2003-12-10-RemoveInstrCrash.ll b/llvm/test/Transforms/IndVarSimplify/2003-12-10-RemoveInstrCrash.ll new file mode 100644 index 00000000000..11af997e83b --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2003-12-10-RemoveInstrCrash.ll @@ -0,0 +1,18 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +define void @test() { +entry: + %inc.2 = add i32 1, 1 ; <i32> [#uses=1] + br i1 false, label %no_exit, label %loopexit + +no_exit: ; preds = %no_exit, %entry + %j.0.pn = phi i32 [ %inc.3, %no_exit ], [ %inc.2, %entry ] ; <i32> [#uses=1] + %k.0.pn = phi i32 [ %inc.4, %no_exit ], [ 1, %entry ] ; <i32> [#uses=1] + %inc.3 = add i32 %j.0.pn, 1 ; <i32> [#uses=1] + %inc.4 = add i32 %k.0.pn, 1 ; <i32> [#uses=1] + br i1 false, label %no_exit, label %loopexit + +loopexit: ; preds = %no_exit, %entry + ret void +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2003-12-15-Crash.ll b/llvm/test/Transforms/IndVarSimplify/2003-12-15-Crash.ll new file mode 100644 index 00000000000..b964d78d695 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2003-12-15-Crash.ll @@ -0,0 +1,24 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output +define void @_ZN17CoinFactorization7cleanupEv() { +entry: + br i1 false, label %loopexit.14, label %cond_continue.3 + +cond_continue.3: ; preds = %entry + ret void + +loopexit.14: ; preds = %entry + %tmp.738 = sub i32 0, 0 ; <i32> [#uses=1] + br i1 false, label %no_exit.15.preheader, label %loopexit.15 + +no_exit.15.preheader: ; preds = %loopexit.14 + br label %no_exit.15 + +no_exit.15: ; preds = %no_exit.15, %no_exit.15.preheader + %highC.0 = phi i32 [ %tmp.738, %no_exit.15.preheader ], [ %dec.0, %no_exit.15 ] ; <i32> [#uses=1] + %dec.0 = add i32 %highC.0, -1 ; <i32> [#uses=1] + br i1 false, label %no_exit.15, label %loopexit.15 + +loopexit.15: ; preds = %no_exit.15, %loopexit.14 + ret void +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2003-12-21-IndVarSize.ll b/llvm/test/Transforms/IndVarSimplify/2003-12-21-IndVarSize.ll new file mode 100644 index 00000000000..cf8c80472df --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2003-12-21-IndVarSize.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep indvar | not grep i32 + +@G = global i64 0 ; <i64*> [#uses=1] + +define void @test() { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %X = phi i64 [ 1, %0 ], [ %X.next, %Loop ] ; <i64> [#uses=2] + %X.next = add i64 %X, 1 ; <i64> [#uses=1] + store i64 %X, i64* @G + br label %Loop +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2004-03-10-PHIInsertionBug.ll b/llvm/test/Transforms/IndVarSimplify/2004-03-10-PHIInsertionBug.ll new file mode 100644 index 00000000000..248b29b32d2 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2004-03-10-PHIInsertionBug.ll @@ -0,0 +1,26 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +define void @test() { + br label %endif.0.i + +endif.0.i: ; preds = %0 + br i1 false, label %then.3.i, label %endif.3.i + +then.3.i: ; preds = %endif.0.i + br label %endif.3.i + +endif.3.i: ; preds = %then.3.i, %endif.0.i + %inxm.0.i = phi i32 [ 8, %then.3.i ], [ 0, %endif.0.i ] ; <i32> [#uses=1] + %doinner.1.i = phi i32 [ 0, %then.3.i ], [ 0, %endif.0.i ] ; <i32> [#uses=0] + br label %loopentry.2.i + +loopentry.2.i: ; preds = %no_exit.2.i, %endif.3.i + %inxk.0.i = phi i32 [ %tmp.210.i, %no_exit.2.i ], [ 0, %endif.3.i ] ; <i32> [#uses=1] + br label %no_exit.2.i + +no_exit.2.i: ; preds = %loopentry.2.i + %tmp.210.i = sub i32 %inxk.0.i, %inxm.0.i ; <i32> [#uses=2] + %tmp.213.i = add i32 %tmp.210.i, 0 ; <i32> [#uses=0] + br label %loopentry.2.i +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2004-04-05-InvokeCastCrash.ll b/llvm/test/Transforms/IndVarSimplify/2004-04-05-InvokeCastCrash.ll new file mode 100644 index 00000000000..54d85472a89 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2004-04-05-InvokeCastCrash.ll @@ -0,0 +1,283 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output +; ModuleID = '2004-04-05-InvokeCastCrash.ll' + %struct.__false_type = type { i8 } + %"struct.__gnu_cxx::_Hashtable_node<const llvm::Constant*>" = type { %"struct.__gnu_cxx::_Hashtable_node<const llvm::Constant*>"*, %"struct.llvm::Constant"* } + %"struct.__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >" = type { %"struct.__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >"*, %"struct.std::pair<const llvm::Value* const,int>" } + %"struct.__gnu_cxx::hash_map<const llvm::Value*,int,__gnu_cxx::hash<const llvm::Value*>,std::equal_to<const llvm::Value*>,std::allocator<int> >" = type { %"struct.__gnu_cxx::hashtable<std::pair<const llvm::Value* const, int>,const llvm::Value*,__gnu_cxx::hash<const llvm::Value*>,std::_Select1st<std::pair<const llvm::Value* const, int> >,std::equal_to<const llvm::Value*>,std::allocator<int> >" } + %"struct.__gnu_cxx::hash_set<const llvm::Constant*,__gnu_cxx::hash<const llvm::Constant*>,std::equal_to<const llvm::Constant*>,std::allocator<const llvm::Constant*> >" = type { %"struct.__gnu_cxx::hashtable<const llvm::Constant*,const llvm::Constant*,__gnu_cxx::hash<const llvm::Constant*>,std::_Identity<const llvm::Constant*>,std::equal_to<const llvm::Constant*>,std::allocator<const llvm::Constant*> >" } + %"struct.__gnu_cxx::hashtable<const llvm::Constant*,const llvm::Constant*,__gnu_cxx::hash<const llvm::Constant*>,std::_Identity<const llvm::Constant*>,std::equal_to<const llvm::Constant*>,std::allocator<const llvm::Constant*> >" = type { %struct.__false_type, %struct.__false_type, %struct.__false_type, %struct.__false_type, %"struct.std::vector<__gnu_cxx::_Hashtable_node<const llvm::Constant*>*,std::allocator<const llvm::Constant*> >", i32 } + %"struct.__gnu_cxx::hashtable<std::pair<const llvm::Value* const, int>,const llvm::Value*,__gnu_cxx::hash<const llvm::Value*>,std::_Select1st<std::pair<const llvm::Value* const, int> >,std::equal_to<const llvm::Value*>,std::allocator<int> >" = type { %struct.__false_type, %struct.__false_type, %struct.__false_type, %struct.__false_type, %"struct.std::vector<__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >*,std::allocator<int> >", i32 } + %"struct.llvm::AbstractTypeUser" = type { i32 (...)** } + %"struct.llvm::Annotable" = type { i32 (...)**, %"struct.llvm::Annotation"* } + %"struct.llvm::Annotation" = type { i32 (...)**, %"struct.llvm::AnnotationID", %"struct.llvm::Annotation"* } + %"struct.llvm::AnnotationID" = type { i32 } + %"struct.llvm::Argument" = type { %"struct.llvm::Value", %"struct.llvm::Function"*, %"struct.llvm::Argument"*, %"struct.llvm::Argument"* } + %"struct.llvm::BasicBlock" = type { %"struct.llvm::Value", %"struct.llvm::iplist<llvm::Instruction,llvm::ilist_traits<llvm::Instruction> >", %"struct.llvm::BasicBlock"*, %"struct.llvm::BasicBlock"* } + %"struct.llvm::Constant" = type opaque + %"struct.llvm::DerivedType" = type { %"struct.llvm::Type", %"struct.llvm::AbstractTypeUser", %"struct.std::vector<llvm::AbstractTypeUser*,std::allocator<llvm::AbstractTypeUser*> >" } + %"struct.llvm::Function" = type { %"struct.llvm::GlobalValue", %"struct.llvm::Annotable", %"struct.llvm::iplist<llvm::BasicBlock,llvm::ilist_traits<llvm::BasicBlock> >", %"struct.llvm::iplist<llvm::Argument,llvm::ilist_traits<llvm::Argument> >", %"struct.llvm::SymbolTable"*, %"struct.llvm::Function"*, %"struct.llvm::Function"* } + %"struct.llvm::FunctionPass" = type { %"struct.llvm::Pass" } + %"struct.llvm::FunctionType" = type { %"struct.llvm::DerivedType", i1 } + %"struct.llvm::GlobalValue" = type { %"struct.llvm::User", i32, %"struct.llvm::Module"* } + %"struct.llvm::Instruction" = type { %"struct.llvm::User", %"struct.llvm::Annotable", %"struct.llvm::BasicBlock"*, %"struct.llvm::Instruction"*, %"struct.llvm::Instruction"*, i32 } + %"struct.llvm::IntrinsicLowering" = type opaque + %"struct.llvm::MachineBasicBlock" = type { %"struct.llvm::ilist<llvm::MachineInstr>", %"struct.llvm::MachineBasicBlock"*, %"struct.llvm::MachineBasicBlock"*, %"struct.llvm::BasicBlock"* } + %"struct.llvm::MachineConstantPool" = type opaque + %"struct.llvm::MachineFrameInfo" = type opaque + %"struct.llvm::MachineFunction" = type { %"struct.llvm::Annotation", %"struct.llvm::Function"*, %"struct.llvm::TargetMachine"*, %"struct.llvm::iplist<llvm::MachineBasicBlock,llvm::ilist_traits<llvm::MachineBasicBlock> >", %"struct.llvm::SSARegMap"*, %"struct.llvm::MachineFunctionInfo"*, %"struct.llvm::MachineFrameInfo"*, %"struct.llvm::MachineConstantPool"* } + %"struct.llvm::MachineFunctionInfo" = type { %"struct.__gnu_cxx::hash_set<const llvm::Constant*,__gnu_cxx::hash<const llvm::Constant*>,std::equal_to<const llvm::Constant*>,std::allocator<const llvm::Constant*> >", %"struct.__gnu_cxx::hash_map<const llvm::Value*,int,__gnu_cxx::hash<const llvm::Value*>,std::equal_to<const llvm::Value*>,std::allocator<int> >", i32, i32, i32, i32, i32, i32, i32, i1, i1, i1, %"struct.llvm::MachineFunction"* } + %"struct.llvm::MachineFunctionPass" = type { %"struct.llvm::FunctionPass" } + %"struct.llvm::MachineInstr" = type { i16, i8, %"struct.std::vector<llvm::MachineOperand,std::allocator<llvm::MachineOperand> >", %"struct.llvm::MachineInstr"*, %"struct.llvm::MachineInstr"*, %"struct.llvm::MachineBasicBlock"* } + %"struct.llvm::MachineInstrBuilder" = type { %"struct.llvm::MachineInstr"* } + %"struct.llvm::MachineOperand" = type { %"union.llvm::MachineOperand::._65", i32, i32 } + %"struct.llvm::Module" = type opaque + %"struct.llvm::PATypeHandle" = type { %"struct.llvm::Type"*, %"struct.llvm::AbstractTypeUser"* } + %"struct.llvm::PATypeHolder" = type { %"struct.llvm::Type"* } + %"struct.llvm::Pass" = type { i32 (...)**, %"struct.llvm::AbstractTypeUser"*, %"struct.llvm::PassInfo"*, %"struct.std::vector<std::pair<const llvm::PassInfo*, llvm::Pass*>,std::allocator<std::pair<const llvm::PassInfo*, llvm::Pass*> > >" } + %"struct.llvm::PassInfo" = type { i8*, i8*, %"struct.std::type_info"*, i8, %"struct.std::vector<const llvm::PassInfo*,std::allocator<const llvm::PassInfo*> >", %"struct.llvm::Pass"* ()*, %"struct.llvm::Pass"* (%"struct.llvm::TargetMachine"*)* } + %"struct.llvm::SSARegMap" = type opaque + %"struct.llvm::SymbolTable" = type opaque + %"struct.llvm::SymbolTableListTraits<llvm::Argument,llvm::Function,llvm::Function,llvm::ilist_traits<llvm::Argument> >" = type { %"struct.llvm::Function"*, %"struct.llvm::Function"* } + %"struct.llvm::SymbolTableListTraits<llvm::Instruction,llvm::BasicBlock,llvm::Function,llvm::ilist_traits<llvm::Instruction> >" = type { %"struct.llvm::Function"*, %"struct.llvm::BasicBlock"* } + %"struct.llvm::TargetData" = type { %"struct.llvm::FunctionPass", i1, i8, i8, i8, i8, i8, i8, i8, i8 } + %"struct.llvm::TargetFrameInfo" = type { i32 (...)**, i32, i32, i32 } + %"struct.llvm::TargetInstrDescriptor" = type { i8*, i32, i32, i32, i1, i32, i32, i32, i32, i32, i32*, i32* } + %"struct.llvm::TargetInstrInfo" = type { i32 (...)**, %"struct.llvm::TargetInstrDescriptor"*, i32, i32 } + %"struct.llvm::TargetMachine" = type { i32 (...)**, %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >", %"struct.llvm::TargetData", %"struct.llvm::IntrinsicLowering"* } + %"struct.llvm::TargetRegClassInfo" = type { i32 (...)**, i32, i32, i32 } + %"struct.llvm::TargetRegInfo" = type { i32 (...)**, %"struct.std::vector<const llvm::TargetRegClassInfo*,std::allocator<const llvm::TargetRegClassInfo*> >", %"struct.llvm::TargetMachine"* } + %"struct.llvm::Type" = type { %"struct.llvm::Value", i32, i32, i1, i32, %"struct.llvm::Type"*, %"struct.std::vector<llvm::PATypeHandle,std::allocator<llvm::PATypeHandle> >" } + %"struct.llvm::Use" = type { %"struct.llvm::Value"*, %"struct.llvm::User"*, %"struct.llvm::Use"*, %"struct.llvm::Use"* } + %"struct.llvm::User" = type { %"struct.llvm::Value", %"struct.std::vector<llvm::Use,std::allocator<llvm::Use> >" } + %"struct.llvm::Value" = type { i32 (...)**, %"struct.llvm::iplist<llvm::Use,llvm::ilist_traits<llvm::Use> >", %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >", %"struct.llvm::PATypeHolder", i32 } + %"struct.llvm::_GLOBAL__N_::InsertPrologEpilogCode" = type { %"struct.llvm::MachineFunctionPass" } + %"struct.llvm::ilist<llvm::MachineInstr>" = type { %"struct.llvm::iplist<llvm::MachineInstr,llvm::ilist_traits<llvm::MachineInstr> >" } + %"struct.llvm::ilist_iterator<const llvm::MachineBasicBlock>" = type { %"struct.llvm::MachineBasicBlock"* } + %"struct.llvm::ilist_traits<llvm::Argument>" = type { %"struct.llvm::SymbolTableListTraits<llvm::Argument,llvm::Function,llvm::Function,llvm::ilist_traits<llvm::Argument> >" } + %"struct.llvm::ilist_traits<llvm::Instruction>" = type { %"struct.llvm::SymbolTableListTraits<llvm::Instruction,llvm::BasicBlock,llvm::Function,llvm::ilist_traits<llvm::Instruction> >" } + %"struct.llvm::iplist<llvm::Argument,llvm::ilist_traits<llvm::Argument> >" = type { %"struct.llvm::ilist_traits<llvm::Argument>", %"struct.llvm::Argument"*, %"struct.llvm::Argument"* } + %"struct.llvm::iplist<llvm::BasicBlock,llvm::ilist_traits<llvm::BasicBlock> >" = type { %"struct.llvm::ilist_traits<llvm::Argument>", %"struct.llvm::BasicBlock"*, %"struct.llvm::BasicBlock"* } + %"struct.llvm::iplist<llvm::Instruction,llvm::ilist_traits<llvm::Instruction> >" = type { %"struct.llvm::ilist_traits<llvm::Instruction>", %"struct.llvm::Instruction"*, %"struct.llvm::Instruction"* } + %"struct.llvm::iplist<llvm::MachineBasicBlock,llvm::ilist_traits<llvm::MachineBasicBlock> >" = type { %"struct.llvm::MachineBasicBlock"*, %"struct.llvm::MachineBasicBlock"* } + %"struct.llvm::iplist<llvm::MachineInstr,llvm::ilist_traits<llvm::MachineInstr> >" = type { %"struct.llvm::ilist_iterator<const llvm::MachineBasicBlock>", %"struct.llvm::MachineInstr"*, %"struct.llvm::MachineInstr"* } + %"struct.llvm::iplist<llvm::Use,llvm::ilist_traits<llvm::Use> >" = type { %"struct.llvm::Use"*, %"struct.llvm::Use"* } + %"struct.std::_Vector_alloc_base<__gnu_cxx::_Hashtable_node<const llvm::Constant*>*,std::allocator<const llvm::Constant*>, true>" = type { %"struct.__gnu_cxx::_Hashtable_node<const llvm::Constant*>"**, %"struct.__gnu_cxx::_Hashtable_node<const llvm::Constant*>"**, %"struct.__gnu_cxx::_Hashtable_node<const llvm::Constant*>"** } + %"struct.std::_Vector_alloc_base<__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >*,std::allocator<int>, true>" = type { %"struct.__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >"**, %"struct.__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >"**, %"struct.__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >"** } + %"struct.std::_Vector_alloc_base<const llvm::PassInfo*,std::allocator<const llvm::PassInfo*>, true>" = type { %"struct.llvm::PassInfo"**, %"struct.llvm::PassInfo"**, %"struct.llvm::PassInfo"** } + %"struct.std::_Vector_alloc_base<const llvm::TargetRegClassInfo*,std::allocator<const llvm::TargetRegClassInfo*>, true>" = type { %"struct.llvm::TargetFrameInfo"**, %"struct.llvm::TargetFrameInfo"**, %"struct.llvm::TargetFrameInfo"** } + %"struct.std::_Vector_alloc_base<llvm::AbstractTypeUser*,std::allocator<llvm::AbstractTypeUser*>, true>" = type { %"struct.llvm::AbstractTypeUser"**, %"struct.llvm::AbstractTypeUser"**, %"struct.llvm::AbstractTypeUser"** } + %"struct.std::_Vector_alloc_base<llvm::MachineInstr*,std::allocator<llvm::MachineInstr*>, true>" = type { %"struct.llvm::MachineInstr"**, %"struct.llvm::MachineInstr"**, %"struct.llvm::MachineInstr"** } + %"struct.std::_Vector_alloc_base<llvm::MachineOperand,std::allocator<llvm::MachineOperand>, true>" = type { %"struct.llvm::MachineOperand"*, %"struct.llvm::MachineOperand"*, %"struct.llvm::MachineOperand"* } + %"struct.std::_Vector_alloc_base<llvm::PATypeHandle,std::allocator<llvm::PATypeHandle>, true>" = type { %"struct.llvm::PATypeHandle"*, %"struct.llvm::PATypeHandle"*, %"struct.llvm::PATypeHandle"* } + %"struct.std::_Vector_alloc_base<llvm::Use,std::allocator<llvm::Use>, true>" = type { %"struct.llvm::Use"*, %"struct.llvm::Use"*, %"struct.llvm::Use"* } + %"struct.std::_Vector_alloc_base<std::pair<const llvm::PassInfo*, llvm::Pass*>,std::allocator<std::pair<const llvm::PassInfo*, llvm::Pass*> >, true>" = type { %"struct.std::pair<const llvm::PassInfo*,llvm::Pass*>"*, %"struct.std::pair<const llvm::PassInfo*,llvm::Pass*>"*, %"struct.std::pair<const llvm::PassInfo*,llvm::Pass*>"* } + %"struct.std::_Vector_base<__gnu_cxx::_Hashtable_node<const llvm::Constant*>*,std::allocator<const llvm::Constant*> >" = type { %"struct.std::_Vector_alloc_base<__gnu_cxx::_Hashtable_node<const llvm::Constant*>*,std::allocator<const llvm::Constant*>, true>" } + %"struct.std::_Vector_base<__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >*,std::allocator<int> >" = type { %"struct.std::_Vector_alloc_base<__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >*,std::allocator<int>, true>" } + %"struct.std::_Vector_base<const llvm::PassInfo*,std::allocator<const llvm::PassInfo*> >" = type { %"struct.std::_Vector_alloc_base<const llvm::PassInfo*,std::allocator<const llvm::PassInfo*>, true>" } + %"struct.std::_Vector_base<const llvm::TargetRegClassInfo*,std::allocator<const llvm::TargetRegClassInfo*> >" = type { %"struct.std::_Vector_alloc_base<const llvm::TargetRegClassInfo*,std::allocator<const llvm::TargetRegClassInfo*>, true>" } + %"struct.std::_Vector_base<llvm::AbstractTypeUser*,std::allocator<llvm::AbstractTypeUser*> >" = type { %"struct.std::_Vector_alloc_base<llvm::AbstractTypeUser*,std::allocator<llvm::AbstractTypeUser*>, true>" } + %"struct.std::_Vector_base<llvm::MachineInstr*,std::allocator<llvm::MachineInstr*> >" = type { %"struct.std::_Vector_alloc_base<llvm::MachineInstr*,std::allocator<llvm::MachineInstr*>, true>" } + %"struct.std::_Vector_base<llvm::MachineOperand,std::allocator<llvm::MachineOperand> >" = type { %"struct.std::_Vector_alloc_base<llvm::MachineOperand,std::allocator<llvm::MachineOperand>, true>" } + %"struct.std::_Vector_base<llvm::PATypeHandle,std::allocator<llvm::PATypeHandle> >" = type { %"struct.std::_Vector_alloc_base<llvm::PATypeHandle,std::allocator<llvm::PATypeHandle>, true>" } + %"struct.std::_Vector_base<llvm::Use,std::allocator<llvm::Use> >" = type { %"struct.std::_Vector_alloc_base<llvm::Use,std::allocator<llvm::Use>, true>" } + %"struct.std::_Vector_base<std::pair<const llvm::PassInfo*, llvm::Pass*>,std::allocator<std::pair<const llvm::PassInfo*, llvm::Pass*> > >" = type { %"struct.std::_Vector_alloc_base<std::pair<const llvm::PassInfo*, llvm::Pass*>,std::allocator<std::pair<const llvm::PassInfo*, llvm::Pass*> >, true>" } + %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >" = type { %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >::_Alloc_hider" } + %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >::_Alloc_hider" = type { i8* } + %"struct.std::pair<const llvm::PassInfo*,llvm::Pass*>" = type { %"struct.llvm::PassInfo"*, %"struct.llvm::Pass"* } + %"struct.std::pair<const llvm::Value* const,int>" = type { %"struct.llvm::Value"*, i32 } + %"struct.std::type_info" = type { i32 (...)**, i8* } + %"struct.std::vector<__gnu_cxx::_Hashtable_node<const llvm::Constant*>*,std::allocator<const llvm::Constant*> >" = type { %"struct.std::_Vector_base<__gnu_cxx::_Hashtable_node<const llvm::Constant*>*,std::allocator<const llvm::Constant*> >" } + %"struct.std::vector<__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >*,std::allocator<int> >" = type { %"struct.std::_Vector_base<__gnu_cxx::_Hashtable_node<std::pair<const llvm::Value* const, int> >*,std::allocator<int> >" } + %"struct.std::vector<const llvm::PassInfo*,std::allocator<const llvm::PassInfo*> >" = type { %"struct.std::_Vector_base<const llvm::PassInfo*,std::allocator<const llvm::PassInfo*> >" } + %"struct.std::vector<const llvm::TargetRegClassInfo*,std::allocator<const llvm::TargetRegClassInfo*> >" = type { %"struct.std::_Vector_base<const llvm::TargetRegClassInfo*,std::allocator<const llvm::TargetRegClassInfo*> >" } + %"struct.std::vector<llvm::AbstractTypeUser*,std::allocator<llvm::AbstractTypeUser*> >" = type { %"struct.std::_Vector_base<llvm::AbstractTypeUser*,std::allocator<llvm::AbstractTypeUser*> >" } + %"struct.std::vector<llvm::MachineInstr*,std::allocator<llvm::MachineInstr*> >" = type { %"struct.std::_Vector_base<llvm::MachineInstr*,std::allocator<llvm::MachineInstr*> >" } + %"struct.std::vector<llvm::MachineOperand,std::allocator<llvm::MachineOperand> >" = type { %"struct.std::_Vector_base<llvm::MachineOperand,std::allocator<llvm::MachineOperand> >" } + %"struct.std::vector<llvm::PATypeHandle,std::allocator<llvm::PATypeHandle> >" = type { %"struct.std::_Vector_base<llvm::PATypeHandle,std::allocator<llvm::PATypeHandle> >" } + %"struct.std::vector<llvm::Use,std::allocator<llvm::Use> >" = type { %"struct.std::_Vector_base<llvm::Use,std::allocator<llvm::Use> >" } + %"struct.std::vector<std::pair<const llvm::PassInfo*, llvm::Pass*>,std::allocator<std::pair<const llvm::PassInfo*, llvm::Pass*> > >" = type { %"struct.std::_Vector_base<std::pair<const llvm::PassInfo*, llvm::Pass*>,std::allocator<std::pair<const llvm::PassInfo*, llvm::Pass*> > >" } + %"union.llvm::MachineOperand::._65" = type { %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* } + +declare void @_Znwj() + +declare void @_ZN4llvm12MachineInstrC1Esjbb() + +declare void @_ZNSt6vectorIPN4llvm12MachineInstrESaIS2_EE9push_backERKS2_() + +declare void @_ZNK4llvm8Function15getFunctionTypeEv() + +declare void @_ZNK4llvm19MachineInstrBuilder7addMRegEiNS_14MachineOperand7UseTypeE() + +declare void @_ZNK4llvm19MachineInstrBuilder7addSImmEi() + +define void @_ZN4llvm11_GLOBAL__N_22InsertPrologEpilogCode20runOnMachineFunctionERNS_15MachineFunctionE(%"struct.llvm::MachineFunction"* %F) { +entry: + %tmp.8.i = invoke %"struct.llvm::TargetFrameInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %invoke_cont.0.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetFrameInfo"*> [#uses=0] + +invoke_catch.0.i: ; preds = %invoke_cont.49.i, %invoke_cont.48.i, %invoke_cont.47.i, %invoke_cont.i53.i, %no_exit.i, %invoke_cont.44.i, %invoke_cont.43.i, %invoke_cont.42.i, %invoke_cont.41.i, %invoke_cont.40.i, %invoke_cont.39.i, %invoke_cont.38.i, %invoke_cont.37.i, %then.2.i, %invoke_cont.35.i, %invoke_cont.34.i, %then.1.i, %endif.0.i, %invoke_cont.9.i, %invoke_cont.8.i, %invoke_cont.7.i, %invoke_cont.i.i, %then.0.i, %invoke_cont.4.i, %invoke_cont.3.i, %invoke_cont.2.i, %invoke_cont.1.i, %endif.0.i.i, %tmp.7.i.noexc.i, %invoke_cont.0.i, %entry + ret void + +invoke_cont.0.i: ; preds = %entry + %tmp.7.i1.i = invoke %"struct.llvm::TargetFrameInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %tmp.7.i.noexc.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetFrameInfo"*> [#uses=2] + +tmp.7.i.noexc.i: ; preds = %invoke_cont.0.i + %tmp.17.i2.i = invoke i32 null( %"struct.llvm::TargetFrameInfo"* %tmp.7.i1.i ) + to label %endif.0.i.i unwind label %invoke_catch.0.i ; <i32> [#uses=0] + +endif.0.i.i: ; preds = %tmp.7.i.noexc.i + %tmp.38.i4.i = invoke i32 null( %"struct.llvm::TargetFrameInfo"* %tmp.7.i1.i ) + to label %tmp.38.i.noexc.i unwind label %invoke_catch.0.i ; <i32> [#uses=0] + +tmp.38.i.noexc.i: ; preds = %endif.0.i.i + br i1 false, label %invoke_cont.1.i, label %then.1.i.i + +then.1.i.i: ; preds = %tmp.38.i.noexc.i + ret void + +invoke_cont.1.i: ; preds = %tmp.38.i.noexc.i + %tmp.21.i = invoke %"struct.llvm::TargetRegInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %invoke_cont.2.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetRegInfo"*> [#uses=1] + +invoke_cont.2.i: ; preds = %invoke_cont.1.i + %tmp.28.i = invoke i32 null( %"struct.llvm::TargetRegInfo"* %tmp.21.i ) + to label %invoke_cont.3.i unwind label %invoke_catch.0.i ; <i32> [#uses=0] + +invoke_cont.3.i: ; preds = %invoke_cont.2.i + %tmp.36.i = invoke %"struct.llvm::TargetInstrInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %invoke_cont.4.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetInstrInfo"*> [#uses=1] + +invoke_cont.4.i: ; preds = %invoke_cont.3.i + %tmp.43.i = invoke i1 null( %"struct.llvm::TargetInstrInfo"* %tmp.36.i, i16 383, i64 0 ) + to label %invoke_cont.5.i unwind label %invoke_catch.0.i ; <i1> [#uses=1] + +invoke_cont.5.i: ; preds = %invoke_cont.4.i + br i1 %tmp.43.i, label %then.0.i, label %else.i + +then.0.i: ; preds = %invoke_cont.5.i + invoke void @_Znwj( ) + to label %tmp.0.i.noexc.i unwind label %invoke_catch.0.i + +tmp.0.i.noexc.i: ; preds = %then.0.i + invoke void @_ZN4llvm12MachineInstrC1Esjbb( ) + to label %invoke_cont.i.i unwind label %cond_true.i.i + +cond_true.i.i: ; preds = %tmp.0.i.noexc.i + ret void + +invoke_cont.i.i: ; preds = %tmp.0.i.noexc.i + invoke void @_ZNK4llvm19MachineInstrBuilder7addMRegEiNS_14MachineOperand7UseTypeE( ) + to label %invoke_cont.7.i unwind label %invoke_catch.0.i + +invoke_cont.7.i: ; preds = %invoke_cont.i.i + invoke void @_ZNK4llvm19MachineInstrBuilder7addSImmEi( ) + to label %invoke_cont.8.i unwind label %invoke_catch.0.i + +invoke_cont.8.i: ; preds = %invoke_cont.7.i + invoke void @_ZNK4llvm19MachineInstrBuilder7addMRegEiNS_14MachineOperand7UseTypeE( ) + to label %invoke_cont.9.i unwind label %invoke_catch.0.i + +invoke_cont.9.i: ; preds = %invoke_cont.8.i + invoke void @_ZNSt6vectorIPN4llvm12MachineInstrESaIS2_EE9push_backERKS2_( ) + to label %endif.0.i unwind label %invoke_catch.0.i + +else.i: ; preds = %invoke_cont.5.i + ret void + +endif.0.i: ; preds = %invoke_cont.9.i + invoke void @_ZNK4llvm8Function15getFunctionTypeEv( ) + to label %invoke_cont.33.i unwind label %invoke_catch.0.i + +invoke_cont.33.i: ; preds = %endif.0.i + br i1 false, label %then.1.i, label %endif.1.i + +then.1.i: ; preds = %invoke_cont.33.i + invoke void @_ZNK4llvm8Function15getFunctionTypeEv( ) + to label %invoke_cont.34.i unwind label %invoke_catch.0.i + +invoke_cont.34.i: ; preds = %then.1.i + %tmp.121.i = invoke %"struct.llvm::TargetRegInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %invoke_cont.35.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetRegInfo"*> [#uses=1] + +invoke_cont.35.i: ; preds = %invoke_cont.34.i + %tmp.128.i = invoke i32 null( %"struct.llvm::TargetRegInfo"* %tmp.121.i ) + to label %invoke_cont.36.i unwind label %invoke_catch.0.i ; <i32> [#uses=0] + +invoke_cont.36.i: ; preds = %invoke_cont.35.i + br i1 false, label %then.2.i, label %endif.1.i + +then.2.i: ; preds = %invoke_cont.36.i + %tmp.140.i = invoke %"struct.llvm::TargetRegInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %invoke_cont.37.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetRegInfo"*> [#uses=0] + +invoke_cont.37.i: ; preds = %then.2.i + %tmp.148.i = invoke %"struct.llvm::TargetRegInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %invoke_cont.38.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetRegInfo"*> [#uses=1] + +invoke_cont.38.i: ; preds = %invoke_cont.37.i + %tmp.155.i = invoke i32 null( %"struct.llvm::TargetRegInfo"* %tmp.148.i, %"struct.llvm::Type"* null, i1 false ) + to label %invoke_cont.39.i unwind label %invoke_catch.0.i ; <i32> [#uses=0] + +invoke_cont.39.i: ; preds = %invoke_cont.38.i + %tmp.163.i = invoke %"struct.llvm::TargetFrameInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %invoke_cont.40.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetFrameInfo"*> [#uses=1] + +invoke_cont.40.i: ; preds = %invoke_cont.39.i + %tmp.170.i = invoke i32 null( %"struct.llvm::TargetFrameInfo"* %tmp.163.i ) + to label %invoke_cont.41.i unwind label %invoke_catch.0.i ; <i32> [#uses=0] + +invoke_cont.41.i: ; preds = %invoke_cont.40.i + %tmp.177.i = invoke %"struct.llvm::TargetFrameInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %invoke_cont.42.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetFrameInfo"*> [#uses=1] + +invoke_cont.42.i: ; preds = %invoke_cont.41.i + %tmp.184.i = invoke i32 null( %"struct.llvm::TargetFrameInfo"* %tmp.177.i ) + to label %invoke_cont.43.i unwind label %invoke_catch.0.i ; <i32> [#uses=1] + +invoke_cont.43.i: ; preds = %invoke_cont.42.i + %tmp.191.i = invoke %"struct.llvm::TargetFrameInfo"* null( %"struct.llvm::TargetMachine"* null ) + to label %invoke_cont.44.i unwind label %invoke_catch.0.i ; <%"struct.llvm::TargetFrameInfo"*> [#uses=1] + +invoke_cont.44.i: ; preds = %invoke_cont.43.i + %tmp.198.i = invoke i32 null( %"struct.llvm::TargetFrameInfo"* %tmp.191.i, %"struct.llvm::MachineFunction"* %F, i1* null ) + to label %invoke_cont.45.i unwind label %invoke_catch.0.i ; <i32> [#uses=0] + +invoke_cont.45.i: ; preds = %invoke_cont.44.i + br i1 false, label %no_exit.i, label %endif.1.i + +no_exit.i: ; preds = %invoke_cont.50.i, %invoke_cont.45.i + %nextArgOffset.0.i.1 = phi i32 [ %tmp.221.i, %invoke_cont.50.i ], [ 0, %invoke_cont.45.i ] ; <i32> [#uses=1] + invoke void @_Znwj( ) + to label %tmp.0.i.noexc55.i unwind label %invoke_catch.0.i + +tmp.0.i.noexc55.i: ; preds = %no_exit.i + invoke void @_ZN4llvm12MachineInstrC1Esjbb( ) + to label %invoke_cont.i53.i unwind label %cond_true.i52.i + +cond_true.i52.i: ; preds = %tmp.0.i.noexc55.i + ret void + +invoke_cont.i53.i: ; preds = %tmp.0.i.noexc55.i + invoke void @_ZNK4llvm19MachineInstrBuilder7addMRegEiNS_14MachineOperand7UseTypeE( ) + to label %invoke_cont.47.i unwind label %invoke_catch.0.i + +invoke_cont.47.i: ; preds = %invoke_cont.i53.i + invoke void @_ZNK4llvm19MachineInstrBuilder7addMRegEiNS_14MachineOperand7UseTypeE( ) + to label %invoke_cont.48.i unwind label %invoke_catch.0.i + +invoke_cont.48.i: ; preds = %invoke_cont.47.i + invoke void @_ZNK4llvm19MachineInstrBuilder7addSImmEi( ) + to label %invoke_cont.49.i unwind label %invoke_catch.0.i + +invoke_cont.49.i: ; preds = %invoke_cont.48.i + invoke void @_ZNSt6vectorIPN4llvm12MachineInstrESaIS2_EE9push_backERKS2_( ) + to label %invoke_cont.50.i unwind label %invoke_catch.0.i + +invoke_cont.50.i: ; preds = %invoke_cont.49.i + %tmp.221.i = add i32 %nextArgOffset.0.i.1, %tmp.184.i ; <i32> [#uses=1] + br i1 false, label %no_exit.i, label %endif.1.i + +endif.1.i: ; preds = %invoke_cont.50.i, %invoke_cont.45.i, %invoke_cont.36.i, %invoke_cont.33.i + ret void +} diff --git a/llvm/test/Transforms/IndVarSimplify/2004-04-07-ScalarEvolutionCrash.ll b/llvm/test/Transforms/IndVarSimplify/2004-04-07-ScalarEvolutionCrash.ll new file mode 100644 index 00000000000..b4eb3db1909 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2004-04-07-ScalarEvolutionCrash.ll @@ -0,0 +1,27 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +define void @.outPlank_21() { +entry: + br i1 false, label %loopexit.0, label %no_exit.0 + +no_exit.0: ; preds = %entry + ret void + +loopexit.0: ; preds = %entry + br i1 false, label %no_exit.1, label %loopexit.1 + +no_exit.1: ; preds = %loopexit.2, %loopexit.0 + %i.0.0 = phi i32 [ %inc, %loopexit.2 ], [ 0, %loopexit.0 ] ; <i32> [#uses=1] + br i1 false, label %loopexit.2, label %no_exit.2 + +no_exit.2: ; preds = %no_exit.1 + ret void + +loopexit.2: ; preds = %no_exit.1 + %inc = add i32 %i.0.0, 1 ; <i32> [#uses=1] + br i1 false, label %no_exit.1, label %loopexit.1 + +loopexit.1: ; preds = %loopexit.2, %loopexit.0 + ret void +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2005-02-11-InvokeCrash.ll b/llvm/test/Transforms/IndVarSimplify/2005-02-11-InvokeCrash.ll new file mode 100644 index 00000000000..afee7e18918 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2005-02-11-InvokeCrash.ll @@ -0,0 +1,23 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +define void @_ZN5ArrayISt7complexIdEEC2ERK10dim_vector() { +entry: + %tmp.7 = invoke i32 @_ZN5ArrayISt7complexIdEE8get_sizeERK10dim_vector( ) + to label %invoke_cont.0 unwind label %cond_true.1 ; <i32> [#uses=2] + +cond_true.1: ; preds = %entry + unwind + +invoke_cont.0: ; preds = %entry + %tmp.4.i = bitcast i32 %tmp.7 to i32 ; <i32> [#uses=0] + %tmp.14.0.i5 = add i32 %tmp.7, -1 ; <i32> [#uses=1] + br label %no_exit.i + +no_exit.i: ; preds = %no_exit.i, %invoke_cont.0 + %tmp.14.0.i.0 = phi i32 [ %tmp.14.0.i, %no_exit.i ], [ %tmp.14.0.i5, %invoke_cont.0 ] ; <i32> [#uses=1] + %tmp.14.0.i = add i32 %tmp.14.0.i.0, -1 ; <i32> [#uses=1] + br label %no_exit.i +} + +declare i32 @_ZN5ArrayISt7complexIdEE8get_sizeERK10dim_vector() + diff --git a/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll b/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll new file mode 100644 index 00000000000..a1beec64689 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll @@ -0,0 +1,61 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +declare void @q_atomic_increment() + +declare void @_Z9qt_assertPKcS0_i() + +define void @_ZN13QMetaResourceC1EPKh() { +entry: + invoke void @_Z9qt_assertPKcS0_i( ) + to label %endif.1 unwind label %then.i.i551 + +then.i.i551: ; preds = %entry + ret void + +endif.1: ; preds = %entry + br i1 false, label %then.2, label %then.i.i + +then.2: ; preds = %endif.1 + invoke void @q_atomic_increment( ) + to label %loopentry.0 unwind label %invoke_catch.6 + +invoke_catch.6: ; preds = %then.2 + ret void + +loopentry.0: ; preds = %then.2 + br i1 false, label %shortcirc_next.i, label %endif.3 + +endif.3: ; preds = %loopentry.0 + ret void + +shortcirc_next.i: ; preds = %loopentry.0 + br i1 false, label %_ZNK7QString2atEi.exit, label %then.i + +then.i: ; preds = %shortcirc_next.i + ret void + +_ZNK7QString2atEi.exit: ; preds = %shortcirc_next.i + br i1 false, label %endif.4, label %then.4 + +then.4: ; preds = %_ZNK7QString2atEi.exit + ret void + +endif.4: ; preds = %_ZNK7QString2atEi.exit + %tmp.115 = load i8* null ; <i8> [#uses=1] + br i1 false, label %loopexit.1, label %no_exit.0 + +no_exit.0: ; preds = %no_exit.0, %endif.4 + %bytes_in_len.4.5 = phi i8 [ %dec, %no_exit.0 ], [ %tmp.115, %endif.4 ] ; <i8> [#uses=1] + %off.5.5.in = phi i32 [ %off.5.5, %no_exit.0 ], [ 0, %endif.4 ] ; <i32> [#uses=1] + %off.5.5 = add i32 %off.5.5.in, 1 ; <i32> [#uses=2] + %dec = add i8 %bytes_in_len.4.5, -1 ; <i8> [#uses=2] + %tmp.123631 = icmp eq i8 %dec, 0 ; <i1> [#uses=1] + br i1 %tmp.123631, label %loopexit.1, label %no_exit.0 + +loopexit.1: ; preds = %no_exit.0, %endif.4 + %off.5.in.6 = phi i32 [ 0, %endif.4 ], [ %off.5.5, %no_exit.0 ] ; <i32> [#uses=0] + ret void + +then.i.i: ; preds = %endif.1 + ret void +} diff --git a/llvm/test/Transforms/IndVarSimplify/2005-02-26-ExitValueCompute.ll b/llvm/test/Transforms/IndVarSimplify/2005-02-26-ExitValueCompute.ll new file mode 100644 index 00000000000..853d5ad5014 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2005-02-26-ExitValueCompute.ll @@ -0,0 +1,20 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | \ +; RUN: grep {ret i32 152} + +define i32 @main() { +entry: + br label %no_exit + +no_exit: ; preds = %no_exit, %entry + %i.1.0 = phi i32 [ 0, %entry ], [ %inc, %no_exit ] ; <i32> [#uses=2] + %tmp.4 = icmp sgt i32 %i.1.0, 50 ; <i1> [#uses=1] + %tmp.7 = select i1 %tmp.4, i32 100, i32 0 ; <i32> [#uses=1] + %i.0 = add i32 %i.1.0, 1 ; <i32> [#uses=1] + %inc = add i32 %i.0, %tmp.7 ; <i32> [#uses=3] + %tmp.1 = icmp slt i32 %inc, 100 ; <i1> [#uses=1] + br i1 %tmp.1, label %no_exit, label %loopexit + +loopexit: ; preds = %no_exit + ret i32 %inc +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2005-06-15-InstMoveCrash.ll b/llvm/test/Transforms/IndVarSimplify/2005-06-15-InstMoveCrash.ll new file mode 100644 index 00000000000..ba4db9f9599 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2005-06-15-InstMoveCrash.ll @@ -0,0 +1,37 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +define void @main() { +entry: + br label %no_exit.1.outer + +no_exit.1.outer: ; preds = %endif.0, %entry + %l_14237116.1.0.ph = phi i8 [ -46, %entry ], [ 0, %endif.0 ] ; <i8> [#uses=1] + %i.0.0.0.ph = phi i32 [ 0, %entry ], [ %inc.1, %endif.0 ] ; <i32> [#uses=1] + br label %no_exit.1 + +no_exit.1: ; preds = %_Z13func_47880058cc.exit, %no_exit.1.outer + br i1 false, label %_Z13func_47880058cc.exit, label %then.i + +then.i: ; preds = %no_exit.1 + br label %_Z13func_47880058cc.exit + +_Z13func_47880058cc.exit: ; preds = %then.i, %no_exit.1 + br i1 false, label %then.0, label %no_exit.1 + +then.0: ; preds = %_Z13func_47880058cc.exit + %tmp.6 = bitcast i8 %l_14237116.1.0.ph to i8 ; <i8> [#uses=1] + br i1 false, label %endif.0, label %then.1 + +then.1: ; preds = %then.0 + br label %endif.0 + +endif.0: ; preds = %then.1, %then.0 + %inc.1 = add i32 %i.0.0.0.ph, 1 ; <i32> [#uses=2] + %tmp.2 = icmp sgt i32 %inc.1, 99 ; <i1> [#uses=1] + br i1 %tmp.2, label %loopexit.0, label %no_exit.1.outer + +loopexit.0: ; preds = %endif.0 + %tmp.28 = zext i8 %tmp.6 to i32 ; <i32> [#uses=0] + ret void +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2005-11-18-Crash.ll b/llvm/test/Transforms/IndVarSimplify/2005-11-18-Crash.ll new file mode 100644 index 00000000000..5ee8cea74a3 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2005-11-18-Crash.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +@fixtab = external global [29 x [29 x [2 x i32]]] ; <[29 x [29 x [2 x i32]]]*> [#uses=1] + +define void @init_optabs() { +entry: + br label %no_exit.0 + +no_exit.0: ; preds = %no_exit.0, %entry + %p.0.0 = phi i32* [ getelementptr ([29 x [29 x [2 x i32]]]* @fixtab, i32 0, i32 0, i32 0, i32 0), %entry ], [ %inc.0, %no_exit.0 ] ; <i32*> [#uses=1] + %inc.0 = getelementptr i32* %p.0.0, i32 1 ; <i32*> [#uses=1] + br i1 false, label %no_exit.0, label %no_exit.1 + +no_exit.1: ; preds = %no_exit.0 + ret void +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2006-03-31-NegativeStride.ll b/llvm/test/Transforms/IndVarSimplify/2006-03-31-NegativeStride.ll new file mode 100644 index 00000000000..32abee9d1cc --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2006-03-31-NegativeStride.ll @@ -0,0 +1,22 @@ +; PR726 +; RUN: llvm-as < %s | opt -indvars | llvm-dis | \ +; RUN: grep {ret i32 27} + +; Make sure to compute the right exit value based on negative strides. + +define i32 @test() { +entry: + br label %cond_true + +cond_true: ; preds = %cond_true, %entry + %a.0.0 = phi i32 [ 10, %entry ], [ %tmp4, %cond_true ] ; <i32> [#uses=2] + %b.0.0 = phi i32 [ 0, %entry ], [ %tmp2, %cond_true ] ; <i32> [#uses=1] + %tmp2 = add i32 %b.0.0, %a.0.0 ; <i32> [#uses=2] + %tmp4 = add i32 %a.0.0, -1 ; <i32> [#uses=2] + %tmp = icmp sgt i32 %tmp4, 7 ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %bb7 + +bb7: ; preds = %cond_true + ret i32 %tmp2 +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2006-06-16-Indvar-LCSSA-Crash.ll b/llvm/test/Transforms/IndVarSimplify/2006-06-16-Indvar-LCSSA-Crash.ll new file mode 100644 index 00000000000..986831b9a6e --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2006-06-16-Indvar-LCSSA-Crash.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +define void @get_block() { +endif.0: + br label %no_exit.30 + +no_exit.30: ; preds = %no_exit.30, %endif.0 + %x.12.0 = phi i32 [ %inc.28, %no_exit.30 ], [ -2, %endif.0 ] ; <i32> [#uses=1] + %tmp.583 = load i16* null ; <i16> [#uses=1] + %tmp.584 = zext i16 %tmp.583 to i32 ; <i32> [#uses=1] + %tmp.588 = load i32* null ; <i32> [#uses=1] + %tmp.589 = mul i32 %tmp.584, %tmp.588 ; <i32> [#uses=1] + %tmp.591 = add i32 %tmp.589, 0 ; <i32> [#uses=1] + %inc.28 = add i32 %x.12.0, 1 ; <i32> [#uses=2] + %tmp.565 = icmp sgt i32 %inc.28, 3 ; <i1> [#uses=1] + br i1 %tmp.565, label %loopexit.30, label %no_exit.30 + +loopexit.30: ; preds = %no_exit.30 + %tmp.591.lcssa = phi i32 [ %tmp.591, %no_exit.30 ] ; <i32> [#uses=0] + ret void +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2006-09-20-LFTR-Crash.ll b/llvm/test/Transforms/IndVarSimplify/2006-09-20-LFTR-Crash.ll new file mode 100644 index 00000000000..6a478ab5f5f --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2006-09-20-LFTR-Crash.ll @@ -0,0 +1,44 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output +; ModuleID = '2006-09-20-LFTR-Crash.ll' + %struct.p7prior_s = type { i32, i32, [200 x float], [200 x [7 x float]], i32, [200 x float], [200 x [20 x float]], i32, [200 x float], [200 x [20 x float]] } + +define void @P7DefaultPrior() { +entry: + switch i32 0, label %UnifiedReturnBlock [ + i32 2, label %bb160 + i32 3, label %bb + ] + +bb: ; preds = %entry + br i1 false, label %cond_true.i, label %sre_malloc.exit + +cond_true.i: ; preds = %bb + unreachable + +sre_malloc.exit: ; preds = %bb + br label %cond_true + +cond_true: ; preds = %cond_true66, %cond_true, %sre_malloc.exit + %tmp59 = phi i32 [ 1, %sre_malloc.exit ], [ %phitmp, %cond_true66 ], [ %tmp59, %cond_true ] ; <i32> [#uses=2] + %indvar245.0.ph = phi i32 [ 0, %sre_malloc.exit ], [ %indvar.next246, %cond_true66 ], [ %indvar245.0.ph, %cond_true ] ; <i32> [#uses=2] + br i1 false, label %bb57, label %cond_true + +bb57: ; preds = %cond_true + %tmp65 = icmp sgt i32 0, %tmp59 ; <i1> [#uses=1] + %indvar.next246 = add i32 %indvar245.0.ph, 1 ; <i32> [#uses=2] + br i1 %tmp65, label %cond_true66, label %bb69 + +cond_true66: ; preds = %bb57 + %q.1.0 = bitcast i32 %indvar.next246 to i32 ; <i32> [#uses=1] + %phitmp = add i32 %q.1.0, 1 ; <i32> [#uses=1] + br label %cond_true + +bb69: ; preds = %bb57 + ret void + +bb160: ; preds = %entry + ret void + +UnifiedReturnBlock: ; preds = %entry + ret void +} diff --git a/llvm/test/Transforms/IndVarSimplify/2006-12-10-BitCast.ll b/llvm/test/Transforms/IndVarSimplify/2006-12-10-BitCast.ll new file mode 100644 index 00000000000..903e81d3bf9 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2006-12-10-BitCast.ll @@ -0,0 +1,33 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output +target datalayout = "e-p:32:32" +target triple = "i686-apple-darwin8" + %struct.vorbis_dsp_state = type { i32, %struct.vorbis_info*, float**, float**, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64, i64, i64, i64, i64, i64, i8* } + %struct.vorbis_info = type { i32, i32, i32, i32, i32, i32, i32, i8* } + +define void @_ve_envelope_search() { +entry: + br i1 false, label %cond_true27, label %bb137 + +cond_true27: ; preds = %entry + br i1 false, label %cond_true52, label %bb80 + +cond_true52: ; preds = %cond_true27 + %tmp152.i = bitcast float 0.000000e+00 to i32 ; <i32> [#uses=1] + br label %cond_next182.i + +cond_next182.i: ; preds = %cond_next182.i, %cond_true52 + %decay.i.0 = phi i32 [ %tmp195.i.upgrd.1, %cond_next182.i ], [ %tmp152.i, %cond_true52 ] ; <i32> [#uses=1] + %tmp194.i53 = bitcast i32 %decay.i.0 to float ; <float> [#uses=1] + %tmp195.i = sub float %tmp194.i53, 8.000000e+00 ; <float> [#uses=1] + %tmp195.i.upgrd.1 = bitcast float %tmp195.i to i32 ; <i32> [#uses=1] + br i1 false, label %cond_next182.i, label %bb418.i.preheader + +bb418.i.preheader: ; preds = %cond_next182.i + ret void + +bb80: ; preds = %cond_true27 + ret void + +bb137: ; preds = %entry + ret void +} diff --git a/llvm/test/Transforms/IndVarSimplify/2007-01-06-TripCount.ll b/llvm/test/Transforms/IndVarSimplify/2007-01-06-TripCount.ll new file mode 100644 index 00000000000..dd151e84d00 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2007-01-06-TripCount.ll @@ -0,0 +1,38 @@ +; PR1015 +; RUN: llvm-as < %s | opt -indvars | llvm-dis | not grep {ret i32 0} + +target datalayout = "e-p:32:32" +target triple = "i686-apple-darwin8" +@foo = internal constant [5 x i8] c"\00abc\00" ; <[5 x i8]*> [#uses=1] +@str = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1] + + +define i32 @test(i32 %J) { +entry: + br label %bb2 + +bb: ; preds = %cond_next, %cond_true + %tmp1 = add i32 %i.0, 1 ; <i32> [#uses=1] + br label %bb2 + +bb2: ; preds = %bb, %entry + %i.0 = phi i32 [ 0, %entry ], [ %tmp1, %bb ] ; <i32> [#uses=4] + %tmp = icmp eq i32 %i.0, 0 ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %cond_next + +cond_true: ; preds = %bb2 + br label %bb + +cond_next: ; preds = %bb2 + %tmp2 = getelementptr [5 x i8]* @foo, i32 0, i32 %i.0 ; <i8*> [#uses=1] + %tmp3 = load i8* %tmp2 ; <i8> [#uses=1] + %tmp5 = icmp eq i8 %tmp3, 0 ; <i1> [#uses=1] + br i1 %tmp5, label %bb6, label %bb + +bb6: ; preds = %cond_next + br label %return + +return: ; preds = %bb6 + ret i32 %i.0 +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2007-01-08-X86-64-Pointer.ll b/llvm/test/Transforms/IndVarSimplify/2007-01-08-X86-64-Pointer.ll new file mode 100644 index 00000000000..f1d018740a6 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2007-01-08-X86-64-Pointer.ll @@ -0,0 +1,19 @@ +; RUN: llvm-as < %s | llc -march=x86-64 | grep {(%rdi,%rax,8)} +; RUN: llvm-as < %s | llc -march=x86-64 | not grep {addq.*8} + +define void @foo(double* %y) { +entry: + br label %bb + +bb: + %i = phi i64 [ 0, %entry ], [ %k, %bb ] + %j = getelementptr double* %y, i64 %i + store double 0.000000e+00, double* %j + %k = add i64 %i, 1 + %n = icmp eq i64 %k, 0 + br i1 %n, label %return, label %bb + +return: + ret void +} + diff --git a/llvm/test/Transforms/IndVarSimplify/2007-06-06-DeleteDanglesPtr.ll b/llvm/test/Transforms/IndVarSimplify/2007-06-06-DeleteDanglesPtr.ll new file mode 100644 index 00000000000..363c98c493b --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2007-06-06-DeleteDanglesPtr.ll @@ -0,0 +1,117 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output +; PR1487 + + %struct.AVClass = type { i8*, i8* (i8*)*, %struct.AVOption* } + %struct.AVCodec = type { i8*, i32, i32, i32, i32 (%struct.AVCodecContext*)*, i32 (%struct.AVCodecContext*, i8*, i32, i8*)*, i32 (%struct.AVCodecContext*)*, i32 (%struct.AVCodecContext*, i8*, i32*, i8*, i32)*, i32, %struct.AVCodec*, void (%struct.AVCodecContext*)*, %struct.AVCodecTag*, i32* } + %struct.AVCodecContext = type { %struct.AVClass*, i32, i32, i32, i32, i32, i8*, i32, %struct.AVCodecTag, i32, i32, i32, i32, i32, void (%struct.AVCodecContext*, %struct.AVFrame*, i32*, i32, i32, i32)*, i32, i32, i32, i32, i32, i32, i32, float, float, i32, i32, i32, i32, float, i32, i32, i32, %struct.AVCodec*, i8*, i32, i32, void (%struct.AVCodecContext*, i8*, i32, i32)*, i32, i32, i32, i32, i32, i32, i32, i32, i32, i8*, [32 x i8], i32, i32, i32, i32, i32, i32, i32, float, i32, i32 (%struct.AVCodecContext*, %struct.AVFrame*)*, void (%struct.AVCodecContext*, %struct.AVFrame*)*, i32, i32, i32, i32, i8*, i8*, float, float, i32, %struct.RcOverride*, i32, i8*, i32, i32, i32, float, float, float, float, i32, float, float, float, float, float, i32, i32, i32, i32*, i32, i32, i32, i32, %struct.AVCodecTag, %struct.AVFrame*, i32, i32, [4 x i64], i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 (%struct.AVCodecContext*, i32*)*, i32, i32, i32, i32, i32, i32, i8*, i32, i32, i32, i32, i32, i32, i16*, i16*, i32, i32, i32, i32, %struct.AVPaletteControl*, i32, i32 (%struct.AVCodecContext*, %struct.AVFrame*)*, i32, i32, i32, i32, i32, i32, i32, i32 (%struct.AVCodecContext*, i32 (%struct.AVCodecContext*, i8*)*, i8**, i32*, i32)*, i8*, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, i32, i32, i32, i32, i32, i32, i32, i32, float, i32, i32, i32, i32, i32, i32, float, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64 } + %struct.AVCodecTag = type { i32, i32 } + %struct.AVFrame = type { [4 x i8*], [4 x i32], [4 x i8*], i32, i32, i64, i32, i32, i32, i32, i32, i8*, i32, i8*, [2 x [2 x i16]*], i32*, i8, i8*, [4 x i64], i32, i32, i32, i32, i32, %struct.AVPanScan*, i32, i32, i16*, [2 x i8*] } + %struct.AVOption = type { i8*, i8*, i32, i32, double, double, double, i32, i8* } + %struct.AVPaletteControl = type { i32, [256 x i32] } + %struct.AVPanScan = type { i32, i32, i32, [3 x [2 x i16]] } + %struct.RcOverride = type { i32, i32, i32, float } + +define i32 @smc_decode_frame(%struct.AVCodecContext* %avctx, i8* %data, i32* %data_size, i8* %buf, i32 %buf_size) { +entry: + br i1 false, label %cond_next, label %cond_true + +cond_true: ; preds = %entry + ret i32 -1 + +cond_next: ; preds = %entry + br i1 false, label %bb.outer5.split.split.split.us, label %cond_true194.split + +bb.outer5.split.split.split.us: ; preds = %cond_next + br i1 false, label %cond_next188.us503.us, label %bb.us481 + +bb275.us493.us: ; preds = %cond_next188.us503.us, %cond_next188.us503.us + ret i32 0 + +cond_next188.us503.us: ; preds = %bb.outer5.split.split.split.us + switch i32 0, label %bb1401 [ + i32 0, label %cond_next202.bb215_crit_edge.split + i32 16, label %bb215 + i32 32, label %bb275.us493.us + i32 48, label %bb275.us493.us + i32 64, label %cond_next202.bb417_crit_edge.split + i32 80, label %bb417 + i32 96, label %cond_next202.bb615_crit_edge.split + i32 112, label %bb615 + i32 128, label %cond_next202.bb716_crit_edge.split + i32 144, label %bb716 + i32 160, label %cond_next202.bb882_crit_edge.split + i32 176, label %bb882 + i32 192, label %cond_next202.bb1062_crit_edge.split + i32 208, label %bb1062 + i32 224, label %bb1326.us.outer.outer + ] + +bb.us481: ; preds = %bb.outer5.split.split.split.us + ret i32 0 + +cond_true194.split: ; preds = %cond_next + ret i32 %buf_size + +cond_next202.bb1062_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb882_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb716_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb615_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb417_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +cond_next202.bb215_crit_edge.split: ; preds = %cond_next188.us503.us + ret i32 0 + +bb215: ; preds = %cond_next188.us503.us + ret i32 0 + +bb417: ; preds = %cond_next188.us503.us + ret i32 0 + +bb615: ; preds = %cond_next188.us503.us + ret i32 0 + +bb716: ; preds = %cond_next188.us503.us + ret i32 0 + +bb882: ; preds = %cond_next188.us503.us + ret i32 0 + +bb1062: ; preds = %cond_next188.us503.us + ret i32 0 + +bb1326.us: ; preds = %bb1326.us.outer.outer, %bb1347.loopexit.us, %bb1326.us + %pixel_y.162036.us.ph = phi i32 [ %tmp1352.us, %bb1347.loopexit.us ], [ 0, %bb1326.us.outer.outer ], [ %pixel_y.162036.us.ph, %bb1326.us ] ; <i32> [#uses=2] + %stream_ptr.142038.us.ph = phi i32 [ %tmp1339.us, %bb1347.loopexit.us ], [ %stream_ptr.142038.us.ph.ph, %bb1326.us.outer.outer ], [ %stream_ptr.142038.us.ph, %bb1326.us ] ; <i32> [#uses=2] + %pixel_x.232031.us = phi i32 [ %tmp1341.us, %bb1326.us ], [ 0, %bb1326.us.outer.outer ], [ 0, %bb1347.loopexit.us ] ; <i32> [#uses=3] + %block_ptr.222030.us = add i32 0, %pixel_x.232031.us ; <i32> [#uses=1] + %stream_ptr.132032.us = add i32 %pixel_x.232031.us, %stream_ptr.142038.us.ph ; <i32> [#uses=1] + %tmp1341.us = add i32 %pixel_x.232031.us, 1 ; <i32> [#uses=2] + %tmp1344.us = icmp slt i32 %tmp1341.us, 4 ; <i1> [#uses=1] + br i1 %tmp1344.us, label %bb1326.us, label %bb1347.loopexit.us + +bb1347.loopexit.us: ; preds = %bb1326.us + %tmp1339.us = add i32 %stream_ptr.132032.us, 1 ; <i32> [#uses=2] + %tmp1337.us = add i32 %block_ptr.222030.us, 1 ; <i32> [#uses=0] + %tmp1352.us = add i32 %pixel_y.162036.us.ph, 1 ; <i32> [#uses=2] + %tmp1355.us = icmp slt i32 %tmp1352.us, 4 ; <i1> [#uses=1] + br i1 %tmp1355.us, label %bb1326.us, label %bb1358 + +bb1358: ; preds = %bb1347.loopexit.us + br label %bb1326.us.outer.outer + +bb1326.us.outer.outer: ; preds = %bb1358, %cond_next188.us503.us + %stream_ptr.142038.us.ph.ph = phi i32 [ %tmp1339.us, %bb1358 ], [ 0, %cond_next188.us503.us ] ; <i32> [#uses=1] + br label %bb1326.us + +bb1401: ; preds = %cond_next188.us503.us + ret i32 0 +} diff --git a/llvm/test/Transforms/IndVarSimplify/2007-11-23-BitcastCrash.ll b/llvm/test/Transforms/IndVarSimplify/2007-11-23-BitcastCrash.ll new file mode 100644 index 00000000000..555cadda6de --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2007-11-23-BitcastCrash.ll @@ -0,0 +1,20 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output +; PR1814 +target datalayout = "e-p:32:32-f64:32:64-i64:32:64-f80:32:32" + +define void @FuncAt1938470480(i32, i32, i32, i32, i32, i32, i32, i32, i64, i64, i64, i64, i64, i64, i64, i64, i1, i1, i1, i1, i1, i1) { +EntryBlock: + br label %asmBlockAt738ab7f3 + +asmBlockAt738ab9b0: ; preds = %asmBlockAt738ab7f3 + %.lcssa6 = phi i64 [ %23, %asmBlockAt738ab7f3 ] ; <i64> [#uses=0] + ret void + +asmBlockAt738ab7f3: ; preds = %asmBlockAt738ab7f3, %EntryBlock + %ebp95 = phi i32 [ 128, %EntryBlock ], [ %24, %asmBlockAt738ab7f3 ] ; <i32> [#uses=2] + sub <4 x i16> zeroinitializer, zeroinitializer ; <<4 x i16>>:22 [#uses=1] + bitcast <4 x i16> %22 to i64 ; <i64>:23 [#uses=1] + add i32 %ebp95, -64 ; <i32>:24 [#uses=1] + icmp ult i32 %ebp95, 64 ; <i1>:25 [#uses=1] + br i1 %25, label %asmBlockAt738ab9b0, label %asmBlockAt738ab7f3 +} diff --git a/llvm/test/Transforms/IndVarSimplify/2008-06-15-SCEVExpanderBug.ll b/llvm/test/Transforms/IndVarSimplify/2008-06-15-SCEVExpanderBug.ll new file mode 100644 index 00000000000..aac8d978946 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2008-06-15-SCEVExpanderBug.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output +; PR2434 + +define fastcc void @regcppop() nounwind { +entry: + %tmp61 = add i32 0, -5 ; <i32> [#uses=1] + br label %bb + +bb: ; preds = %bb, %entry + %PL_savestack_ix.tmp.0 = phi i32 [ %tmp61, %entry ], [ %tmp127, %bb ] ; <i32> [#uses=2] + %indvar10 = phi i32 [ 0, %entry ], [ %indvar.next11, %bb ] ; <i32> [#uses=2] + %tmp13 = mul i32 %indvar10, -4 ; <i32> [#uses=0] + %tmp111 = add i32 %PL_savestack_ix.tmp.0, -3 ; <i32> [#uses=0] + %tmp127 = add i32 %PL_savestack_ix.tmp.0, -4 ; <i32> [#uses=1] + %indvar.next11 = add i32 %indvar10, 1 ; <i32> [#uses=1] + br label %bb +} diff --git a/llvm/test/Transforms/IndVarSimplify/2008-09-02-IVType.ll b/llvm/test/Transforms/IndVarSimplify/2008-09-02-IVType.ll new file mode 100644 index 00000000000..8111cbe3a48 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2008-09-02-IVType.ll @@ -0,0 +1,58 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep sext | count 1 +; ModuleID = '<stdin>' + + %struct.App1Marker = type <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }> + %struct.ComponentInstanceRecord = type <{ [1 x i32] }> + %struct.DCPredictors = type { [5 x i16] } + %struct.DecodeTable = type { i16, i16, i16, i16, i8**, i8** } + %struct.ICMDataProcRecord = type <{ i16 (i8**, i32, i32)*, i32 }> + %struct.JPEGBitStream = type { i8*, i32, i32, i32, i32, i32, %struct.App1Marker*, i8*, i32, i16, i16, i32 } + %struct.JPEGGlobals = type { [2048 x i8], %struct.JPEGBitStream, i8*, i32, i32, %struct.ComponentInstanceRecord*, %struct.ComponentInstanceRecord*, i32, %struct.OpaqueQTMLMutex*, %struct.Rect, i32, i32, %struct.SharedGlobals, %struct.DCPredictors, i8, i8, void (i8*, i16**, i32, %struct.YUVGeneralParams*)*, %struct.YUVGeneralParams, i16, i16, i32, [5 x i16*], [5 x %struct.DecodeTable*], [5 x %struct.DecodeTable*], [5 x i8], [5 x i8], [4 x [65 x i16]], [4 x %struct.DecodeTable], [4 x %struct.DecodeTable], [4 x i8*], [4 x i8*], i16, i16, i32, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, i8**, [18 x i8], [18 x i8], [18 x i8], [18 x i8], i32, i32, i8**, i8**, i8, i8, i8, i8, i16, i16, %struct.App1Marker*, i8, i8, i8, i8, i32**, i8*, i16*, i8*, i16*, i8, [3 x i8], i32, [3 x i32], [3 x i32], [3 x i32], [3 x i32], [3 x i32], [3 x i16*], [3 x i16*], [3 x i8**], [3 x %struct.DecodeTable*], [3 x %struct.DecodeTable*], [3 x i32], i32, [3 x i16*], i32, i32, i32, [3 x i32], i8, i8, i8, i8, %struct.ICMDataProcRecord*, i32, i32, i8**, i8**, i8**, i8**, i32, i32, i8*, i32, i32, i16*, i16*, i8*, i32, i32, i32, i32, i32, i32, i32, [16 x <2 x i64>], [1280 x i8], i8 } + %struct.OpaqueQTMLMutex = type opaque + %struct.Rect = type { i16, i16, i16, i16 } + %struct.SharedDGlobals = type { %struct.DecodeTable, %struct.DecodeTable, %struct.DecodeTable, %struct.DecodeTable } + %struct.SharedEGlobals = type { i8**, i8**, i8**, i8** } + %struct.SharedGlobals = type { %struct.SharedEGlobals*, %struct.SharedDGlobals* } + %struct.YUVGeneralParams = type { i16*, i8*, i8*, i8*, i8*, i8*, void (i8*, i16**, i32, %struct.YUVGeneralParams*)*, i16, i16, i16, [6 x i8], void (i8*, i16**, i32, %struct.YUVGeneralParams*)*, i16, i16 } +@llvm.used = appending global [1 x i8*] [ i8* bitcast (i16 (%struct.JPEGGlobals*)* @ExtractBufferedBlocksIgnored to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] + +define i16 @ExtractBufferedBlocksIgnored(%struct.JPEGGlobals* %globp) signext nounwind { +entry: + %tmp4311 = getelementptr %struct.JPEGGlobals* %globp, i32 0, i32 70 ; <i32*> [#uses=1] + %tmp4412 = load i32* %tmp4311, align 16 ; <i32> [#uses=2] + %tmp4613 = icmp sgt i32 %tmp4412, 0 ; <i1> [#uses=1] + br i1 %tmp4613, label %bb, label %bb49 + +bb: ; preds = %bb28, %entry + %component.09 = phi i16 [ 0, %entry ], [ %tmp37, %bb28 ] ; <i16> [#uses=2] + %tmp12 = sext i16 %component.09 to i32 ; <i32> [#uses=2] + %tmp6 = getelementptr %struct.JPEGGlobals* %globp, i32 0, i32 77, i32 %tmp12 ; <i16**> [#uses=2] + %tmp7 = load i16** %tmp6, align 4 ; <i16*> [#uses=2] + %tmp235 = getelementptr %struct.JPEGGlobals* %globp, i32 0, i32 71, i32 %tmp12 ; <i32*> [#uses=1] + %tmp246 = load i32* %tmp235, align 4 ; <i32> [#uses=2] + %tmp267 = icmp sgt i32 %tmp246, 0 ; <i1> [#uses=1] + br i1 %tmp267, label %bb8, label %bb28 + +bb8: ; preds = %bb8, %bb + %indvar = phi i32 [ 0, %bb ], [ %indvar.next2, %bb8 ] ; <i32> [#uses=3] + %theDCTBufferIter.01.rec = shl i32 %indvar, 6 ; <i32> [#uses=1] + %tmp10.rec = add i32 %theDCTBufferIter.01.rec, 64 ; <i32> [#uses=1] + %tmp10 = getelementptr i16* %tmp7, i32 %tmp10.rec ; <i16*> [#uses=1] + %i.02 = trunc i32 %indvar to i16 ; <i16> [#uses=1] + %tmp13 = add i16 %i.02, 1 ; <i16> [#uses=1] + %phitmp = sext i16 %tmp13 to i32 ; <i32> [#uses=1] + %tmp26 = icmp slt i32 %phitmp, %tmp246 ; <i1> [#uses=1] + %indvar.next2 = add i32 %indvar, 1 ; <i32> [#uses=1] + br i1 %tmp26, label %bb8, label %bb28 + +bb28: ; preds = %bb8, %bb + %theDCTBufferIter.0.lcssa = phi i16* [ %tmp7, %bb ], [ %tmp10, %bb8 ] ; <i16*> [#uses=1] + store i16* %theDCTBufferIter.0.lcssa, i16** %tmp6, align 4 + %tmp37 = add i16 %component.09, 1 ; <i16> [#uses=2] + %phitmp15 = sext i16 %tmp37 to i32 ; <i32> [#uses=1] + %tmp46 = icmp slt i32 %phitmp15, 42 ; <i1> [#uses=1] + br i1 %tmp46, label %bb, label %bb49 + +bb49: ; preds = %bb28, %entry + ret i16 0 +} diff --git a/llvm/test/Transforms/IndVarSimplify/2008-10-03-CouldNotCompute.ll b/llvm/test/Transforms/IndVarSimplify/2008-10-03-CouldNotCompute.ll new file mode 100644 index 00000000000..c78188d4d22 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2008-10-03-CouldNotCompute.ll @@ -0,0 +1,32 @@ +; RUN: llvm-as < %s | opt -indvars +; PR2857 + +@foo = external global i32 ; <i32*> [#uses=1] + +define void @test(i32 %n, i32 %arg) { +entry: + br i1 false, label %bb.nph, label %return + +bb.nph: ; preds = %entry + %0 = load i32* @foo, align 4 ; <i32> [#uses=1] + %1 = sext i32 %0 to i64 ; <i64> [#uses=1] + br label %bb + +bb: ; preds = %bb, %bb.nph + %.in = phi i32 [ %2, %bb ], [ %n, %bb.nph ] ; <i32> [#uses=1] + %val.02 = phi i64 [ %5, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=2] + %result.01 = phi i64 [ %4, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=1] + %2 = add i32 %.in, -1 ; <i32> [#uses=2] + %3 = mul i64 %1, %val.02 ; <i64> [#uses=1] + %4 = add i64 %3, %result.01 ; <i64> [#uses=2] + %5 = add i64 %val.02, 1 ; <i64> [#uses=1] + %6 = icmp sgt i32 %2, 0 ; <i1> [#uses=1] + br i1 %6, label %bb, label %bb3.bb4_crit_edge + +bb3.bb4_crit_edge: ; preds = %bb + %.lcssa = phi i64 [ %4, %bb ] ; <i64> [#uses=0] + ret void + +return: ; preds = %entry + ret void +} diff --git a/llvm/test/Transforms/IndVarSimplify/2008-11-03-Floating.ll b/llvm/test/Transforms/IndVarSimplify/2008-11-03-Floating.ll new file mode 100644 index 00000000000..6fc065f83f6 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2008-11-03-Floating.ll @@ -0,0 +1,65 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep icmp | count 4 +define void @bar() nounwind { +entry: + br label %bb + +bb: ; preds = %bb, %entry + %x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2] + %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0] + %1 = add double %x.0.reg2mem.0, 1.000000e+00 ; <double> [#uses=2] + %2 = fcmp olt double %1, 1.000000e+04 ; <i1> [#uses=1] + br i1 %2, label %bb, label %return + +return: ; preds = %bb + ret void +} + +declare i32 @foo(double) + +define void @bar2() nounwind { +entry: + br label %bb + +bb: ; preds = %bb, %entry + %x.0.reg2mem.0 = phi double [ -10.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2] + %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0] + %1 = add double %x.0.reg2mem.0, 2.000000e+00 ; <double> [#uses=2] + %2 = fcmp olt double %1, -1.000000e+00 ; <i1> [#uses=1] + br i1 %2, label %bb, label %return + +return: ; preds = %bb + ret void +} + + +define void @bar3() nounwind { +entry: + br label %bb + +bb: ; preds = %bb, %entry + %x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2] + %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0] + %1 = add double %x.0.reg2mem.0, 1.000000e+00 ; <double> [#uses=2] + %2 = fcmp olt double %1, -1.000000e+00 ; <i1> [#uses=1] + br i1 %2, label %bb, label %return + +return: ; preds = %bb + ret void +} + +define void @bar4() nounwind { +entry: + br label %bb + +bb: ; preds = %bb, %entry + %x.0.reg2mem.0 = phi double [ 40.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2] + %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0] + %1 = add double %x.0.reg2mem.0, -1.000000e+00 ; <double> [#uses=2] + %2 = fcmp olt double %1, 1.000000e+00 ; <i1> [#uses=1] + br i1 %2, label %bb, label %return + +return: ; preds = %bb + ret void +} + + diff --git a/llvm/test/Transforms/IndVarSimplify/2008-11-17-Floating.ll b/llvm/test/Transforms/IndVarSimplify/2008-11-17-Floating.ll new file mode 100644 index 00000000000..faf1da3058c --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2008-11-17-Floating.ll @@ -0,0 +1,35 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep icmp | count 2 +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep sitofp | count 1 +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep uitofp | count 1 + +define void @bar() nounwind { +entry: + br label %bb + +bb: ; preds = %bb, %entry + %x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2] + %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0] + %1 = add double %x.0.reg2mem.0, 1.0e+0 ; <double> [#uses=2] + %2 = fcmp olt double %1, 2147483646.0e+0 ; <i1> [#uses=1] + br i1 %2, label %bb, label %return + +return: ; preds = %bb + ret void +} + +define void @bar1() nounwind { +entry: + br label %bb + +bb: ; preds = %bb, %entry + %x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ] ; <double> [#uses=2] + %0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind ; <i32> [#uses=0] + %1 = add double %x.0.reg2mem.0, 1.0e+0 ; <double> [#uses=2] + %2 = fcmp olt double %1, 2147483647.0e+0 ; <i1> [#uses=1] + br i1 %2, label %bb, label %return + +return: ; preds = %bb + ret void +} + +declare i32 @foo(double) diff --git a/llvm/test/Transforms/IndVarSimplify/2008-11-25-APFloatAssert.ll b/llvm/test/Transforms/IndVarSimplify/2008-11-25-APFloatAssert.ll new file mode 100644 index 00000000000..9fd0eb9e65a --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/2008-11-25-APFloatAssert.ll @@ -0,0 +1,11 @@ +; RUN: llvm-as < %s | opt -indvars + +define void @t() nounwind { +entry: + br label %bb23.i91 + +bb23.i91: ; preds = %bb23.i91, %entry + %result.0.i89 = phi ppc_fp128 [ 0xM00000000000000000000000000000000, %entry ], [ %0, %bb23.i91 ] ; <ppc_fp128> [#uses=2] + %0 = mul ppc_fp128 %result.0.i89, %result.0.i89 ; <ppc_fp128> [#uses=1] + br label %bb23.i91 +} diff --git a/llvm/test/Transforms/IndVarSimplify/complex-scev.ll b/llvm/test/Transforms/IndVarSimplify/complex-scev.ll new file mode 100644 index 00000000000..4bfc4e981af --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/complex-scev.ll @@ -0,0 +1,29 @@ +; The i induction variable looks like a wrap-around, but it really is just +; a simple affine IV. Make sure that indvars eliminates it. + +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep phi | count 1 + +define void @foo() { +entry: + br label %bb6 + +bb6: ; preds = %cond_true, %entry + %j.0 = phi i32 [ 1, %entry ], [ %tmp5, %cond_true ] ; <i32> [#uses=3] + %i.0 = phi i32 [ 0, %entry ], [ %j.0, %cond_true ] ; <i32> [#uses=1] + %tmp7 = call i32 (...)* @foo2( ) ; <i32> [#uses=1] + %tmp = icmp ne i32 %tmp7, 0 ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %return + +cond_true: ; preds = %bb6 + %tmp2 = call i32 (...)* @bar( i32 %i.0, i32 %j.0 ) ; <i32> [#uses=0] + %tmp5 = add i32 %j.0, 1 ; <i32> [#uses=1] + br label %bb6 + +return: ; preds = %bb6 + ret void +} + +declare i32 @bar(...) + +declare i32 @foo2(...) + diff --git a/llvm/test/Transforms/IndVarSimplify/dg.exp b/llvm/test/Transforms/IndVarSimplify/dg.exp new file mode 100644 index 00000000000..f2005891a59 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/dg.exp @@ -0,0 +1,3 @@ +load_lib llvm.exp + +RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,c,cpp}]] diff --git a/llvm/test/Transforms/IndVarSimplify/exit_value_tests.ll b/llvm/test/Transforms/IndVarSimplify/exit_value_tests.ll new file mode 100644 index 00000000000..b39f40f4866 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/exit_value_tests.ll @@ -0,0 +1,114 @@ +; Test that we can evaluate the exit values of various expression types. Since +; these loops all have predictable exit values we can replace the use outside +; of the loop with a closed-form computation, making the loop dead. +; +; RUN: llvm-as < %s | opt -indvars -loop-deletion -simplifycfg | \ +; RUN: llvm-dis | not grep br + +define i32 @polynomial_constant() { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %A1 = phi i32 [ 0, %0 ], [ %A2, %Loop ] ; <i32> [#uses=3] + %B1 = phi i32 [ 0, %0 ], [ %B2, %Loop ] ; <i32> [#uses=1] + %A2 = add i32 %A1, 1 ; <i32> [#uses=1] + %B2 = add i32 %B1, %A1 ; <i32> [#uses=2] + %C = icmp eq i32 %A1, 1000 ; <i1> [#uses=1] + br i1 %C, label %Out, label %Loop + +Out: ; preds = %Loop + ret i32 %B2 +} + +define i32 @NSquare(i32 %N) { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %X = phi i32 [ 0, %0 ], [ %X2, %Loop ] ; <i32> [#uses=4] + %X2 = add i32 %X, 1 ; <i32> [#uses=1] + %c = icmp eq i32 %X, %N ; <i1> [#uses=1] + br i1 %c, label %Out, label %Loop + +Out: ; preds = %Loop + %Y = mul i32 %X, %X ; <i32> [#uses=1] + ret i32 %Y +} + +define i32 @NSquareOver2(i32 %N) { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %X = phi i32 [ 0, %0 ], [ %X2, %Loop ] ; <i32> [#uses=3] + %Y = phi i32 [ 15, %0 ], [ %Y2, %Loop ] ; <i32> [#uses=1] + %Y2 = add i32 %Y, %X ; <i32> [#uses=2] + %X2 = add i32 %X, 1 ; <i32> [#uses=1] + %c = icmp eq i32 %X, %N ; <i1> [#uses=1] + br i1 %c, label %Out, label %Loop + +Out: ; preds = %Loop + ret i32 %Y2 +} + +define i32 @strength_reduced() { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %A1 = phi i32 [ 0, %0 ], [ %A2, %Loop ] ; <i32> [#uses=3] + %B1 = phi i32 [ 0, %0 ], [ %B2, %Loop ] ; <i32> [#uses=1] + %A2 = add i32 %A1, 1 ; <i32> [#uses=1] + %B2 = add i32 %B1, %A1 ; <i32> [#uses=2] + %C = icmp eq i32 %A1, 1000 ; <i1> [#uses=1] + br i1 %C, label %Out, label %Loop + +Out: ; preds = %Loop + ret i32 %B2 +} + +define i32 @chrec_equals() { +entry: + br label %no_exit + +no_exit: ; preds = %no_exit, %entry + %i0 = phi i32 [ 0, %entry ], [ %i1, %no_exit ] ; <i32> [#uses=3] + %ISq = mul i32 %i0, %i0 ; <i32> [#uses=1] + %i1 = add i32 %i0, 1 ; <i32> [#uses=2] + %tmp.1 = icmp ne i32 %ISq, 10000 ; <i1> [#uses=1] + br i1 %tmp.1, label %no_exit, label %loopexit + +loopexit: ; preds = %no_exit + ret i32 %i1 +} + +define i16 @cast_chrec_test() { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %A1 = phi i32 [ 0, %0 ], [ %A2, %Loop ] ; <i32> [#uses=2] + %B1 = trunc i32 %A1 to i16 ; <i16> [#uses=2] + %A2 = add i32 %A1, 1 ; <i32> [#uses=1] + %C = icmp eq i16 %B1, 1000 ; <i1> [#uses=1] + br i1 %C, label %Out, label %Loop + +Out: ; preds = %Loop + ret i16 %B1 +} + +define i32 @linear_div_fold() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 4, %entry ], [ %i.next, %loop ] ; <i32> [#uses=3] + %i.next = add i32 %i, 8 ; <i32> [#uses=1] + %RV = udiv i32 %i, 2 ; <i32> [#uses=1] + %c = icmp ne i32 %i, 68 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + ret i32 %RV +} diff --git a/llvm/test/Transforms/IndVarSimplify/iterationCount_zext_or_trunc.ll b/llvm/test/Transforms/IndVarSimplify/iterationCount_zext_or_trunc.ll new file mode 100644 index 00000000000..747c781e993 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/iterationCount_zext_or_trunc.ll @@ -0,0 +1,25 @@ +; RUN: llvm-as < %s | opt -indvars -disable-output + +; ModuleID = 'testcase.bc' +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" +target triple = "i686-pc-linux-gnu" + +define i32 @testcase(i5 zeroext %k) { +entry: + br label %bb2 + +bb: ; preds = %bb2 + %tmp1 = add i32 %tmp2, %result ; <i32> [#uses=1] + %indvar_next1 = add i5 %k_0, 1 ; <i5> [#uses=1] + br label %bb2 + +bb2: ; preds = %bb, %entry + %k_0 = phi i5 [ 0, %entry ], [ %indvar_next1, %bb ] ; <i5> [#uses=2] + %result = phi i32 [ 0, %entry ], [ %tmp1, %bb ] ; <i32> [#uses=2] + %tmp2 = zext i5 %k_0 to i32 ; <i32> [#uses=1] + %exitcond = icmp eq i32 %tmp2, 16 ; <i1> [#uses=1] + br i1 %exitcond, label %bb3, label %bb + +bb3: ; preds = %bb2 + ret i32 %result +} diff --git a/llvm/test/Transforms/IndVarSimplify/lftr_simple.ll b/llvm/test/Transforms/IndVarSimplify/lftr_simple.ll new file mode 100644 index 00000000000..3f7c289a488 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/lftr_simple.ll @@ -0,0 +1,22 @@ +; LFTR should eliminate the need for the computation of i*i completely. It +; is only used to compute the exit value. +; RUN: llvm-as < %s | opt -indvars -dce | llvm-dis | not grep mul + +@A = external global i32 ; <i32*> [#uses=1] + +define i32 @quadratic_setlt() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 7, %entry ], [ %i.next, %loop ] ; <i32> [#uses=5] + %i.next = add i32 %i, 1 ; <i32> [#uses=1] + store i32 %i, i32* @A + %i2 = mul i32 %i, %i ; <i32> [#uses=1] + %c = icmp slt i32 %i2, 1000 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + ret i32 %i +} + diff --git a/llvm/test/Transforms/IndVarSimplify/loop_evaluate_1.ll b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_1.ll new file mode 100644 index 00000000000..dfb42e4feae --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_1.ll @@ -0,0 +1,21 @@ +; RUN: llvm-as < %s | opt -indvars -loop-deletion -simplifycfg | llvm-dis | not grep br +; +; Testcase distilled from 256.bzip2 + +define i32 @main() { +entry: + br label %loopentry + +loopentry: ; preds = %loopentry, %entry + %indvar1 = phi i32 [ 0, %entry ], [ %indvar.next2, %loopentry ] ; <i32> [#uses=1] + %h.0 = phi i32 [ %tmp.2, %loopentry ], [ 4, %entry ] ; <i32> [#uses=1] + %tmp.1 = mul i32 %h.0, 3 ; <i32> [#uses=1] + %tmp.2 = add i32 %tmp.1, 1 ; <i32> [#uses=2] + %indvar.next2 = add i32 %indvar1, 1 ; <i32> [#uses=2] + %exitcond3 = icmp ne i32 %indvar.next2, 4 ; <i1> [#uses=1] + br i1 %exitcond3, label %loopentry, label %loopexit + +loopexit: ; preds = %loopentry + ret i32 %tmp.2 +} + diff --git a/llvm/test/Transforms/IndVarSimplify/loop_evaluate_2.ll b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_2.ll new file mode 100644 index 00000000000..efcf20a9344 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_2.ll @@ -0,0 +1,28 @@ +; RUN: llvm-as < %s | opt -indvars -loop-deletion -simplifycfg | opt \ +; RUN: -analyze -loops | not grep "^Loop Containing" +; PR1179 + +define i32 @ltst(i32 %x) { +entry: + icmp sgt i32 %x, 0 ; <i1>:0 [#uses=1] + br i1 %0, label %bb.preheader, label %bb8 + +bb.preheader: ; preds = %entry + br label %bb + +bb: ; preds = %bb, %bb.preheader + %i.01.0 = phi i32 [ %tmp4, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1] + %j.03.0 = phi i32 [ %tmp2, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1] + %tmp4 = add i32 %i.01.0, 1 ; <i32> [#uses=2] + %tmp2 = add i32 %j.03.0, 1 ; <i32> [#uses=2] + icmp slt i32 %tmp4, %x ; <i1>:1 [#uses=1] + br i1 %1, label %bb, label %bb8.loopexit + +bb8.loopexit: ; preds = %bb + br label %bb8 + +bb8: ; preds = %bb8.loopexit, %entry + %j.03.1 = phi i32 [ 0, %entry ], [ %tmp2, %bb8.loopexit ] ; <i32> [#uses=1] + ret i32 %j.03.1 +} + diff --git a/llvm/test/Transforms/IndVarSimplify/loop_evaluate_3.ll b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_3.ll new file mode 100644 index 00000000000..2a2f69dd486 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_3.ll @@ -0,0 +1,19 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep {ret i32 600000} +; PR1179 + +define i32 @foo() { +entry: + br label %bb5 + +bb5: ; preds = %bb5, %entry + %i.01.0 = phi i32 [ 0, %entry ], [ %tmp2, %bb5 ] ; <i32> [#uses=1] + %x.03.0 = phi i32 [ 0, %entry ], [ %tmp4, %bb5 ] ; <i32> [#uses=1] + %tmp2 = add i32 %i.01.0, 3 ; <i32> [#uses=2] + %tmp4 = add i32 %x.03.0, 1 ; <i32> [#uses=2] + icmp slt i32 %tmp4, 200000 ; <i1>:0 [#uses=1] + br i1 %0, label %bb5, label %bb7 + +bb7: ; preds = %bb5 + ret i32 %tmp2 +} + diff --git a/llvm/test/Transforms/IndVarSimplify/loop_evaluate_4.ll b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_4.ll new file mode 100644 index 00000000000..6c6a362f48e --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/loop_evaluate_4.ll @@ -0,0 +1,20 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep {ret i32 9900} +; PR1179 + +define i32 @test4() { +entry: + br label %bb7 + +bb7: ; preds = %bb7, %entry + %v.01.0 = phi i32 [ 0, %entry ], [ %tmp4, %bb7 ] ; <i32> [#uses=1] + %i.03.0 = phi i32 [ 0, %entry ], [ %tmp6, %bb7 ] ; <i32> [#uses=2] + %tmp2 = shl i32 %i.03.0, 1 ; <i32> [#uses=1] + %tmp4 = add i32 %tmp2, %v.01.0 ; <i32> [#uses=2] + %tmp6 = add i32 %i.03.0, 1 ; <i32> [#uses=2] + icmp slt i32 %tmp6, 100 ; <i1>:0 [#uses=1] + br i1 %0, label %bb7, label %bb9 + +bb9: ; preds = %bb7 + ret i32 %tmp4 +} + diff --git a/llvm/test/Transforms/IndVarSimplify/pointer-indvars.ll b/llvm/test/Transforms/IndVarSimplify/pointer-indvars.ll new file mode 100644 index 00000000000..c9da1579e98 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/pointer-indvars.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep indvar +@G = global i32* null ; <i32**> [#uses=1] +@Array = external global [40 x i32] ; <[40 x i32]*> [#uses=1] + +define void @test() { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %X = phi i32* [ getelementptr ([40 x i32]* @Array, i64 0, i64 0), %0 ], [ %X.next, %Loop ] ; <i32*> [#uses=2] + %X.next = getelementptr i32* %X, i64 1 ; <i32*> [#uses=1] + store i32* %X, i32** @G + br label %Loop +} + diff --git a/llvm/test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll b/llvm/test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll new file mode 100644 index 00000000000..08b08f200ec --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll @@ -0,0 +1,100 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | not grep sext + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" + +define i64 @test(i64* nocapture %first, i32 %count) nounwind readonly { +entry: + %t0 = icmp sgt i32 %count, 0 ; <i1> [#uses=1] + br i1 %t0, label %bb.nph, label %bb2 + +bb.nph: ; preds = %entry + br label %bb + +bb: ; preds = %bb1, %bb.nph + %result.02 = phi i64 [ %t5, %bb1 ], [ 0, %bb.nph ] ; <i64> [#uses=1] + %n.01 = phi i32 [ %t6, %bb1 ], [ 0, %bb.nph ] ; <i32> [#uses=2] + %t1 = sext i32 %n.01 to i64 ; <i64> [#uses=1] + %t2 = getelementptr i64* %first, i64 %t1 ; <i64*> [#uses=1] + %t3 = load i64* %t2, align 8 ; <i64> [#uses=1] + %t4 = lshr i64 %t3, 4 ; <i64> [#uses=1] + %t5 = add i64 %t4, %result.02 ; <i64> [#uses=2] + %t6 = add i32 %n.01, 1 ; <i32> [#uses=2] + br label %bb1 + +bb1: ; preds = %bb + %t7 = icmp slt i32 %t6, %count ; <i1> [#uses=1] + br i1 %t7, label %bb, label %bb1.bb2_crit_edge + +bb1.bb2_crit_edge: ; preds = %bb1 + %.lcssa = phi i64 [ %t5, %bb1 ] ; <i64> [#uses=1] + br label %bb2 + +bb2: ; preds = %bb1.bb2_crit_edge, %entry + %result.0.lcssa = phi i64 [ %.lcssa, %bb1.bb2_crit_edge ], [ 0, %entry ] ; <i64> [#uses=1] + ret i64 %result.0.lcssa +} + +define void @foo(i16 signext %N, i32* nocapture %P) nounwind { +entry: + %t0 = icmp sgt i16 %N, 0 ; <i1> [#uses=1] + br i1 %t0, label %bb.nph, label %return + +bb.nph: ; preds = %entry + br label %bb + +bb: ; preds = %bb1, %bb.nph + %i.01 = phi i16 [ %t3, %bb1 ], [ 0, %bb.nph ] ; <i16> [#uses=2] + %t1 = sext i16 %i.01 to i64 ; <i64> [#uses=1] + %t2 = getelementptr i32* %P, i64 %t1 ; <i32*> [#uses=1] + store i32 123, i32* %t2, align 4 + %t3 = add i16 %i.01, 1 ; <i16> [#uses=2] + br label %bb1 + +bb1: ; preds = %bb + %t4 = icmp slt i16 %t3, %N ; <i1> [#uses=1] + br i1 %t4, label %bb, label %bb1.return_crit_edge + +bb1.return_crit_edge: ; preds = %bb1 + br label %return + +return: ; preds = %bb1.return_crit_edge, %entry + ret void +} + +; Test cases from PR1301: + +define void @kinds__srangezero([21 x i32]* nocapture %a) nounwind { +bb.thread: + br label %bb + +bb: ; preds = %bb, %bb.thread + %i.0.reg2mem.0 = phi i8 [ -10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2] + %tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1] + %tmp4 = add i32 %tmp12, 10 ; <i32> [#uses=1] + %tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1] + store i32 0, i32* %tmp5 + %tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2] + %0 = icmp sgt i8 %tmp7, 10 ; <i1> [#uses=1] + br i1 %0, label %return, label %bb + +return: ; preds = %bb + ret void +} + +define void @kinds__urangezero([21 x i32]* nocapture %a) nounwind { +bb.thread: + br label %bb + +bb: ; preds = %bb, %bb.thread + %i.0.reg2mem.0 = phi i8 [ 10, %bb.thread ], [ %tmp7, %bb ] ; <i8> [#uses=2] + %tmp12 = sext i8 %i.0.reg2mem.0 to i32 ; <i32> [#uses=1] + %tmp4 = add i32 %tmp12, -10 ; <i32> [#uses=1] + %tmp5 = getelementptr [21 x i32]* %a, i32 0, i32 %tmp4 ; <i32*> [#uses=1] + store i32 0, i32* %tmp5 + %tmp7 = add i8 %i.0.reg2mem.0, 1 ; <i8> [#uses=2] + %0 = icmp sgt i8 %tmp7, 30 ; <i1> [#uses=1] + br i1 %0, label %return, label %bb + +return: ; preds = %bb + ret void +} diff --git a/llvm/test/Transforms/IndVarSimplify/subtract.ll b/llvm/test/Transforms/IndVarSimplify/subtract.ll new file mode 100644 index 00000000000..51065cc1a8a --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/subtract.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep indvar + +@G = global i64 0 ; <i64*> [#uses=1] + +define void @test(i64 %V) { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %X = phi i64 [ 1, %0 ], [ %X.next, %Loop ] ; <i64> [#uses=2] + %X.next = sub i64 %X, %V ; <i64> [#uses=1] + store i64 %X, i64* @G + br label %Loop +} + diff --git a/llvm/test/Transforms/IndVarSimplify/tripcount_compute.ll b/llvm/test/Transforms/IndVarSimplify/tripcount_compute.ll new file mode 100644 index 00000000000..9ffce813023 --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/tripcount_compute.ll @@ -0,0 +1,100 @@ +; These tests ensure that we can compute the trip count of various forms of +; loops. If the trip count of the loop is computable, then we will know what +; the exit value of the loop will be for some value, allowing us to substitute +; it directly into users outside of the loop, making the loop dead. +; +; RUN: llvm-as < %s | opt -indvars -loop-deletion -simplifycfg | llvm-dis | not grep br + +define i32 @linear_setne() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 0, %entry ], [ %i.next, %loop ] ; <i32> [#uses=3] + %i.next = add i32 %i, 1 ; <i32> [#uses=1] + %c = icmp ne i32 %i, 100 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + ret i32 %i +} + +define i32 @linear_setne_2() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 0, %entry ], [ %i.next, %loop ] ; <i32> [#uses=3] + %i.next = add i32 %i, 2 ; <i32> [#uses=1] + %c = icmp ne i32 %i, 100 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + ret i32 %i +} + +define i32 @linear_setne_overflow() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 1024, %entry ], [ %i.next, %loop ] ; <i32> [#uses=3] + %i.next = add i32 %i, 1024 ; <i32> [#uses=1] + %c = icmp ne i32 %i, 0 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + ret i32 %i +} + +define i32 @linear_setlt() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 0, %entry ], [ %i.next, %loop ] ; <i32> [#uses=3] + %i.next = add i32 %i, 1 ; <i32> [#uses=1] + %c = icmp slt i32 %i, 100 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + ret i32 %i +} + +define i32 @quadratic_setlt() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 7, %entry ], [ %i.next, %loop ] ; <i32> [#uses=4] + %i.next = add i32 %i, 3 ; <i32> [#uses=1] + %i2 = mul i32 %i, %i ; <i32> [#uses=1] + %c = icmp slt i32 %i2, 1000 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + ret i32 %i +} + +define i32 @chained() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 0, %entry ], [ %i.next, %loop ] ; <i32> [#uses=3] + %i.next = add i32 %i, 1 ; <i32> [#uses=1] + %c = icmp ne i32 %i, 100 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + br label %loop2 + +loop2: ; preds = %loop2, %loopexit + %j = phi i32 [ %i, %loopexit ], [ %j.next, %loop2 ] ; <i32> [#uses=3] + %j.next = add i32 %j, 1 ; <i32> [#uses=1] + %c2 = icmp ne i32 %j, 200 ; <i1> [#uses=1] + br i1 %c2, label %loop2, label %loopexit2 + +loopexit2: ; preds = %loop2 + ret i32 %j +} diff --git a/llvm/test/Transforms/IndVarSimplify/tripcount_infinite.ll b/llvm/test/Transforms/IndVarSimplify/tripcount_infinite.ll new file mode 100644 index 00000000000..d5965f4ed6f --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/tripcount_infinite.ll @@ -0,0 +1,38 @@ +; These tests have an infinite trip count. We obviously shouldn't remove the +; loops! :) +; +; RUN: llvm-as < %s | opt -indvars -adce -simplifycfg | llvm-dis | grep icmp | wc -l > %t2 +; RUN: llvm-as < %s | llvm-dis | grep icmp | wc -l > %t1 +; RUN: diff %t1 %t2 + +;; test for (i = 1; i != 100; i += 2) +define i32 @infinite_linear() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 1, %entry ], [ %i.next, %loop ] ; <i32> [#uses=3] + %i.next = add i32 %i, 2 ; <i32> [#uses=1] + %c = icmp ne i32 %i, 100 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + ret i32 %i +} + +;; test for (i = 1; i*i != 63; ++i) +define i32 @infinite_quadratic() { +entry: + br label %loop + +loop: ; preds = %loop, %entry + %i = phi i32 [ 1, %entry ], [ %i.next, %loop ] ; <i32> [#uses=4] + %isquare = mul i32 %i, %i ; <i32> [#uses=1] + %i.next = add i32 %i, 1 ; <i32> [#uses=1] + %c = icmp ne i32 %isquare, 63 ; <i1> [#uses=1] + br i1 %c, label %loop, label %loopexit + +loopexit: ; preds = %loop + ret i32 %i +} + diff --git a/llvm/test/Transforms/IndVarSimplify/variable-stride-ivs.ll b/llvm/test/Transforms/IndVarSimplify/variable-stride-ivs.ll new file mode 100644 index 00000000000..759ba8e177b --- /dev/null +++ b/llvm/test/Transforms/IndVarSimplify/variable-stride-ivs.ll @@ -0,0 +1,43 @@ +; RUN: llvm-as < %s | opt -indvars -instcombine | llvm-dis | \ +; RUN: grep {store i32 0} +; Test that -indvars can reduce variable stride IVs. If it can reduce variable +; stride iv's, it will make %iv. and %m.0.0 isomorphic to each other without +; cycles, allowing the tmp.21 subtraction to be eliminated. +; END. + +define void @vnum_test8(i32* %data) { +entry: + %tmp.1 = getelementptr i32* %data, i32 3 ; <i32*> [#uses=1] + %tmp.2 = load i32* %tmp.1 ; <i32> [#uses=2] + %tmp.4 = getelementptr i32* %data, i32 4 ; <i32*> [#uses=1] + %tmp.5 = load i32* %tmp.4 ; <i32> [#uses=2] + %tmp.8 = getelementptr i32* %data, i32 2 ; <i32*> [#uses=1] + %tmp.9 = load i32* %tmp.8 ; <i32> [#uses=3] + %tmp.125 = icmp sgt i32 %tmp.2, 0 ; <i1> [#uses=1] + br i1 %tmp.125, label %no_exit.preheader, label %return + +no_exit.preheader: ; preds = %entry + %tmp.16 = getelementptr i32* %data, i32 %tmp.9 ; <i32*> [#uses=1] + br label %no_exit + +no_exit: ; preds = %no_exit, %no_exit.preheader + %iv.ui = phi i32 [ 0, %no_exit.preheader ], [ %iv..inc.ui, %no_exit ] ; <i32> [#uses=1] + %iv. = phi i32 [ %tmp.5, %no_exit.preheader ], [ %iv..inc, %no_exit ] ; <i32> [#uses=2] + %m.0.0 = phi i32 [ %tmp.5, %no_exit.preheader ], [ %tmp.24, %no_exit ] ; <i32> [#uses=2] + store i32 2, i32* %tmp.16 + %tmp.21 = sub i32 %m.0.0, %iv. ; <i32> [#uses=1] + store i32 %tmp.21, i32* %data + %tmp.24 = add i32 %m.0.0, %tmp.9 ; <i32> [#uses=1] + %iv..inc = add i32 %tmp.9, %iv. ; <i32> [#uses=1] + %iv..inc.ui = add i32 %iv.ui, 1 ; <i32> [#uses=2] + %iv..inc1 = bitcast i32 %iv..inc.ui to i32 ; <i32> [#uses=1] + %tmp.12 = icmp slt i32 %iv..inc1, %tmp.2 ; <i1> [#uses=1] + br i1 %tmp.12, label %no_exit, label %return.loopexit + +return.loopexit: ; preds = %no_exit + br label %return + +return: ; preds = %return.loopexit, %entry + ret void +} + |
