diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/getelementptr.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/getelementptr.ll | 945 |
1 files changed, 0 insertions, 945 deletions
diff --git a/llvm/test/Transforms/InstCombine/getelementptr.ll b/llvm/test/Transforms/InstCombine/getelementptr.ll deleted file mode 100644 index 566e15f2893..00000000000 --- a/llvm/test/Transforms/InstCombine/getelementptr.ll +++ /dev/null @@ -1,945 +0,0 @@ -; RUN: opt < %s -instcombine -S | FileCheck %s - -target datalayout = "e-p:64:64-p1:16:16-p2:32:32:32-p3:64:64:64" - -%intstruct = type { i32 } -%pair = type { i32, i32 } -%struct.B = type { double } -%struct.A = type { %struct.B, i32, i32 } -%struct.C = type { [7 x i8] } - - -@Global = external global [10 x i8] -@Global_as1 = external addrspace(1) global [10 x i8] - -; Test noop elimination -define i32* @test1(i32* %I) { - %A = getelementptr i32, i32* %I, i64 0 - ret i32* %A -; CHECK-LABEL: @test1( -; CHECK: ret i32* %I -} - -define i32 addrspace(1)* @test1_as1(i32 addrspace(1)* %I) { - %A = getelementptr i32, i32 addrspace(1)* %I, i64 0 - ret i32 addrspace(1)* %A -; CHECK-LABEL: @test1_as1( -; CHECK: ret i32 addrspace(1)* %I -} - -; Test noop elimination -define i32* @test2(i32* %I) { - %A = getelementptr i32, i32* %I - ret i32* %A -; CHECK-LABEL: @test2( -; CHECK: ret i32* %I -} - -; Test that two array indexing geps fold -define i32* @test3(i32* %I) { - %A = getelementptr i32, i32* %I, i64 17 - %B = getelementptr i32, i32* %A, i64 4 - ret i32* %B -; CHECK-LABEL: @test3( -; CHECK: getelementptr i32, i32* %I, i64 21 -} - -; Test that two getelementptr insts fold -define i32* @test4({ i32 }* %I) { - %A = getelementptr { i32 }, { i32 }* %I, i64 1 - %B = getelementptr { i32 }, { i32 }* %A, i64 0, i32 0 - ret i32* %B -; CHECK-LABEL: @test4( -; CHECK: getelementptr { i32 }, { i32 }* %I, i64 1, i32 0 -} - -define void @test5(i8 %B) { - ; This should be turned into a constexpr instead of being an instruction - %A = getelementptr [10 x i8], [10 x i8]* @Global, i64 0, i64 4 - store i8 %B, i8* %A - ret void -; CHECK-LABEL: @test5( -; CHECK: store i8 %B, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @Global, i64 0, i64 4) -} - -define void @test5_as1(i8 %B) { - ; This should be turned into a constexpr instead of being an instruction - %A = getelementptr [10 x i8], [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4 - store i8 %B, i8 addrspace(1)* %A - ret void -; CHECK-LABEL: @test5_as1( -; CHECK: store i8 %B, i8 addrspace(1)* getelementptr inbounds ([10 x i8], [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4) -} - -%as1_ptr_struct = type { i32 addrspace(1)* } -%as2_ptr_struct = type { i32 addrspace(2)* } - -@global_as2 = addrspace(2) global i32 zeroinitializer -@global_as1_as2_ptr = addrspace(1) global %as2_ptr_struct { i32 addrspace(2)* @global_as2 } - -; This should be turned into a constexpr instead of being an instruction -define void @test_evaluate_gep_nested_as_ptrs(i32 addrspace(2)* %B) { -; CHECK-LABEL: @test_evaluate_gep_nested_as_ptrs( -; CHECK-NEXT: store i32 addrspace(2)* %B, i32 addrspace(2)* addrspace(1)* getelementptr inbounds (%as2_ptr_struct, %as2_ptr_struct addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0), align 8 -; CHECK-NEXT: ret void - %A = getelementptr %as2_ptr_struct, %as2_ptr_struct addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0 - store i32 addrspace(2)* %B, i32 addrspace(2)* addrspace(1)* %A - ret void -} - -@arst = addrspace(1) global [4 x i8 addrspace(2)*] zeroinitializer - -define void @test_evaluate_gep_as_ptrs_array(i8 addrspace(2)* %B) { -; CHECK-LABEL: @test_evaluate_gep_as_ptrs_array( -; CHECK-NEXT: store i8 addrspace(2)* %B, i8 addrspace(2)* addrspace(1)* getelementptr inbounds ([4 x i8 addrspace(2)*], [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2), align 4 - -; CHECK-NEXT: ret void - %A = getelementptr [4 x i8 addrspace(2)*], [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2 - store i8 addrspace(2)* %B, i8 addrspace(2)* addrspace(1)* %A - ret void -} - -define i32* @test7(i32* %I, i64 %C, i64 %D) { - %A = getelementptr i32, i32* %I, i64 %C - %B = getelementptr i32, i32* %A, i64 %D - ret i32* %B -; CHECK-LABEL: @test7( -; CHECK: %A = getelementptr i32, i32* %I, i64 %C -; CHECK: %B = getelementptr i32, i32* %A, i64 %D -} - -define i8* @test8([10 x i32]* %X) { - ;; Fold into the cast. - %A = getelementptr [10 x i32], [10 x i32]* %X, i64 0, i64 0 - %B = bitcast i32* %A to i8* - ret i8* %B -; CHECK-LABEL: @test8( -; CHECK: bitcast [10 x i32]* %X to i8* -} - -define i32 @test9() { - %A = getelementptr { i32, double }, { i32, double }* null, i32 0, i32 1 - %B = ptrtoint double* %A to i32 - ret i32 %B -; CHECK-LABEL: @test9( -; CHECK: ret i32 8 -} - -define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) { - %tmp.1 = getelementptr { i32, i32 }, { i32, i32 }* %x, i32 0, i32 1 - %tmp.3 = getelementptr { i32, i32 }, { i32, i32 }* %y, i32 0, i32 1 - ;; seteq x, y - %tmp.4 = icmp eq i32* %tmp.1, %tmp.3 - ret i1 %tmp.4 -; CHECK-LABEL: @test10( -; CHECK: icmp eq { i32, i32 }* %x, %y -} - -define i1 @test11({ i32, i32 }* %X) { - %P = getelementptr { i32, i32 }, { i32, i32 }* %X, i32 0, i32 0 - %Q = icmp eq i32* %P, null - ret i1 %Q -; CHECK-LABEL: @test11( -; CHECK: icmp eq { i32, i32 }* %X, null -} - - -; PR4748 -define i32 @test12(%struct.A* %a) { -entry: - %g3 = getelementptr %struct.A, %struct.A* %a, i32 0, i32 1 - store i32 10, i32* %g3, align 4 - - %g4 = getelementptr %struct.A, %struct.A* %a, i32 0, i32 0 - - %new_a = bitcast %struct.B* %g4 to %struct.A* - - %g5 = getelementptr %struct.A, %struct.A* %new_a, i32 0, i32 1 - %a_a = load i32, i32* %g5, align 4 - ret i32 %a_a -; CHECK-LABEL: @test12( -; CHECK: getelementptr %struct.A, %struct.A* %a, i64 0, i32 1 -; CHECK-NEXT: store i32 10, i32* %g3 -; CHECK-NEXT: ret i32 10 -} - - -; PR2235 -%S = type { i32, [ 100 x i32] } -define i1 @test13(i64 %X, %S* %P) { - %A = getelementptr inbounds %S, %S* %P, i32 0, i32 1, i64 %X - %B = getelementptr inbounds %S, %S* %P, i32 0, i32 0 - %C = icmp eq i32* %A, %B - ret i1 %C -; CHECK-LABEL: @test13( -; CHECK: %C = icmp eq i64 %X, -1 -} - -; This is a test of icmp + shl nuw in disguise - 4611... is 0x3fff... -define <2 x i1> @test13_vector(<2 x i64> %X, <2 x %S*> %P) nounwind { -; CHECK-LABEL: @test13_vector( -; CHECK-NEXT: [[C:%.*]] = icmp eq <2 x i64> %X, <i64 4611686018427387903, i64 4611686018427387903> -; CHECK-NEXT: ret <2 x i1> [[C]] -; - %A = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, <2 x i64> %X - %B = getelementptr inbounds %S, <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0> - %C = icmp eq <2 x i32*> %A, %B - ret <2 x i1> %C -} - -define i1 @test13_as1(i16 %X, %S addrspace(1)* %P) { -; CHECK-LABEL: @test13_as1( -; CHECK-NEXT: %C = icmp eq i16 %X, -1 -; CHECK-NEXT: ret i1 %C - %A = getelementptr inbounds %S, %S addrspace(1)* %P, i16 0, i32 1, i16 %X - %B = getelementptr inbounds %S, %S addrspace(1)* %P, i16 0, i32 0 - %C = icmp eq i32 addrspace(1)* %A, %B - ret i1 %C -} - -; This is a test of icmp + shl nuw in disguise - 16383 is 0x3fff. -define <2 x i1> @test13_vector_as1(<2 x i16> %X, <2 x %S addrspace(1)*> %P) { -; CHECK-LABEL: @test13_vector_as1( -; CHECK-NEXT: [[C:%.*]] = icmp eq <2 x i16> %X, <i16 16383, i16 16383> -; CHECK-NEXT: ret <2 x i1> [[C]] -; - %A = getelementptr inbounds %S, <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 1, i32 1>, <2 x i16> %X - %B = getelementptr inbounds %S, <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 0, i32 0> - %C = icmp eq <2 x i32 addrspace(1)*> %A, %B - ret <2 x i1> %C -} - -define i1 @test13_i32(i32 %X, %S* %P) { -; CHECK-LABEL: @test13_i32( -; CHECK: %C = icmp eq i32 %X, -1 - %A = getelementptr inbounds %S, %S* %P, i32 0, i32 1, i32 %X - %B = getelementptr inbounds %S, %S* %P, i32 0, i32 0 - %C = icmp eq i32* %A, %B - ret i1 %C -} - -define i1 @test13_i16(i16 %X, %S* %P) { -; CHECK-LABEL: @test13_i16( -; CHECK: %C = icmp eq i16 %X, -1 - %A = getelementptr inbounds %S, %S* %P, i16 0, i32 1, i16 %X - %B = getelementptr inbounds %S, %S* %P, i16 0, i32 0 - %C = icmp eq i32* %A, %B - ret i1 %C -} - -define i1 @test13_i128(i128 %X, %S* %P) { -; CHECK-LABEL: @test13_i128( -; CHECK: %C = icmp eq i64 %1, -1 - %A = getelementptr inbounds %S, %S* %P, i128 0, i32 1, i128 %X - %B = getelementptr inbounds %S, %S* %P, i128 0, i32 0 - %C = icmp eq i32* %A, %B - ret i1 %C -} - - -@G = external global [3 x i8] -define i8* @test14(i32 %Idx) { - %idx = zext i32 %Idx to i64 - %tmp = getelementptr i8, i8* getelementptr ([3 x i8], [3 x i8]* @G, i32 0, i32 0), i64 %idx - ret i8* %tmp -; CHECK-LABEL: @test14( -; CHECK: getelementptr [3 x i8], [3 x i8]* @G, i64 0, i64 %idx -} - - -; Test folding of constantexpr geps into normal geps. -@Array = external global [40 x i32] -define i32 *@test15(i64 %X) { - %A = getelementptr i32, i32* getelementptr ([40 x i32], [40 x i32]* @Array, i64 0, i64 0), i64 %X - ret i32* %A -; CHECK-LABEL: @test15( -; CHECK: getelementptr [40 x i32], [40 x i32]* @Array, i64 0, i64 %X -} - - -define i32* @test16(i32* %X, i32 %Idx) { - %R = getelementptr i32, i32* %X, i32 %Idx - ret i32* %R -; CHECK-LABEL: @test16( -; CHECK: sext i32 %Idx to i64 -} - - -define i1 @test17(i16* %P, i32 %I, i32 %J) { - %X = getelementptr inbounds i16, i16* %P, i32 %I - %Y = getelementptr inbounds i16, i16* %P, i32 %J - %C = icmp ult i16* %X, %Y - ret i1 %C -; CHECK-LABEL: @test17( -; CHECK: %C = icmp slt i32 %I, %J -} - -define i1 @test18(i16* %P, i32 %I) { - %X = getelementptr inbounds i16, i16* %P, i32 %I - %C = icmp ult i16* %X, %P - ret i1 %C -; CHECK-LABEL: @test18( -; CHECK: %C = icmp slt i32 %I, 0 -} - -; Larger than the pointer size for a non-zero address space -define i1 @test18_as1(i16 addrspace(1)* %P, i32 %I) { -; CHECK-LABEL: @test18_as1( -; CHECK-NEXT: %1 = trunc i32 %I to i16 -; CHECK-NEXT: %C = icmp slt i16 %1, 0 -; CHECK-NEXT: ret i1 %C - %X = getelementptr inbounds i16, i16 addrspace(1)* %P, i32 %I - %C = icmp ult i16 addrspace(1)* %X, %P - ret i1 %C -} - -; Smaller than the pointer size for a non-zero address space -define i1 @test18_as1_i32(i16 addrspace(1)* %P, i32 %I) { -; CHECK-LABEL: @test18_as1_i32( -; CHECK-NEXT: %1 = trunc i32 %I to i16 -; CHECK-NEXT: %C = icmp slt i16 %1, 0 -; CHECK-NEXT: ret i1 %C - %X = getelementptr inbounds i16, i16 addrspace(1)* %P, i32 %I - %C = icmp ult i16 addrspace(1)* %X, %P - ret i1 %C -} - -; Smaller than pointer size -define i1 @test18_i16(i16* %P, i16 %I) { -; CHECK-LABEL: @test18_i16( -; CHECK: %C = icmp slt i16 %I, 0 - %X = getelementptr inbounds i16, i16* %P, i16 %I - %C = icmp ult i16* %X, %P - ret i1 %C -} - -; Same as pointer size -define i1 @test18_i64(i16* %P, i64 %I) { -; CHECK-LABEL: @test18_i64( -; CHECK: %C = icmp slt i64 %I, 0 - %X = getelementptr inbounds i16, i16* %P, i64 %I - %C = icmp ult i16* %X, %P - ret i1 %C -} - -; Larger than the pointer size -define i1 @test18_i128(i16* %P, i128 %I) { -; CHECK-LABEL: @test18_i128( -; CHECK: %C = icmp slt i64 %1, 0 - %X = getelementptr inbounds i16, i16* %P, i128 %I - %C = icmp ult i16* %X, %P - ret i1 %C -} - -define i32 @test19(i32* %P, i32 %A, i32 %B) { - %tmp.4 = getelementptr inbounds i32, i32* %P, i32 %A - %tmp.9 = getelementptr inbounds i32, i32* %P, i32 %B - %tmp.10 = icmp eq i32* %tmp.4, %tmp.9 - %tmp.11 = zext i1 %tmp.10 to i32 - ret i32 %tmp.11 -; CHECK-LABEL: @test19( -; CHECK: icmp eq i32 %A, %B -} - -define i32 @test20(i32* %P, i32 %A, i32 %B) { - %tmp.4 = getelementptr inbounds i32, i32* %P, i32 %A - %tmp.6 = icmp eq i32* %tmp.4, %P - %tmp.7 = zext i1 %tmp.6 to i32 - ret i32 %tmp.7 -; CHECK-LABEL: @test20( -; CHECK: icmp eq i32 %A, 0 -} - -define i32 @test20_as1(i32 addrspace(1)* %P, i32 %A, i32 %B) { - %tmp.4 = getelementptr inbounds i32, i32 addrspace(1)* %P, i32 %A - %tmp.6 = icmp eq i32 addrspace(1)* %tmp.4, %P - %tmp.7 = zext i1 %tmp.6 to i32 - ret i32 %tmp.7 -; CHECK-LABEL: @test20_as1( -; CHECK: icmp eq i16 %1, 0 -} - - -define i32 @test21() { - %pbob1 = alloca %intstruct - %pbob2 = getelementptr %intstruct, %intstruct* %pbob1 - %pbobel = getelementptr %intstruct, %intstruct* %pbob2, i64 0, i32 0 - %rval = load i32, i32* %pbobel - ret i32 %rval -; CHECK-LABEL: @test21( -; CHECK: getelementptr inbounds %intstruct, %intstruct* %pbob1, i64 0, i32 0 -} - - -@A = global i32 1 ; <i32*> [#uses=1] -@B = global i32 2 ; <i32*> [#uses=1] - -define i1 @test22() { - %C = icmp ult i32* getelementptr (i32, i32* @A, i64 1), - getelementptr (i32, i32* @B, i64 2) - ret i1 %C -; CHECK-LABEL: @test22( -; CHECK: icmp ult (i32* getelementptr inbounds (i32, i32* @A, i64 1), i32* getelementptr (i32, i32* @B, i64 2)) -} - - -%X = type { [10 x i32], float } - -define i1 @test23() { - %A = getelementptr %X, %X* null, i64 0, i32 0, i64 0 ; <i32*> [#uses=1] - %B = icmp ne i32* %A, null ; <i1> [#uses=1] - ret i1 %B -; CHECK-LABEL: @test23( -; CHECK: ret i1 false -} - -define void @test25() { -entry: - %tmp = getelementptr { i64, i64, i64, i64 }, { i64, i64, i64, i64 }* null, i32 0, i32 3 ; <i64*> [#uses=1] - %tmp.upgrd.1 = load i64, i64* %tmp ; <i64> [#uses=1] - %tmp8.ui = load i64, i64* null ; <i64> [#uses=1] - %tmp8 = bitcast i64 %tmp8.ui to i64 ; <i64> [#uses=1] - %tmp9 = and i64 %tmp8, %tmp.upgrd.1 ; <i64> [#uses=1] - %sext = trunc i64 %tmp9 to i32 ; <i32> [#uses=1] - %tmp27.i = sext i32 %sext to i64 ; <i64> [#uses=1] - tail call void @foo25( i32 0, i64 %tmp27.i ) - unreachable -; CHECK-LABEL: @test25( -} - -declare void @foo25(i32, i64) - - -; PR1637 -define i1 @test26(i8* %arr) { - %X = getelementptr i8, i8* %arr, i32 1 - %Y = getelementptr i8, i8* %arr, i32 1 - %test = icmp uge i8* %X, %Y - ret i1 %test -; CHECK-LABEL: @test26( -; CHECK: ret i1 true -} - - %struct.__large_struct = type { [100 x i64] } - %struct.compat_siginfo = type { i32, i32, i32, { [29 x i32] } } - %struct.siginfo_t = type { i32, i32, i32, { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] } } - %struct.sigval_t = type { i8* } - -define i32 @test27(%struct.compat_siginfo* %to, %struct.siginfo_t* %from) { -entry: - %from_addr = alloca %struct.siginfo_t* - %tmp344 = load %struct.siginfo_t*, %struct.siginfo_t** %from_addr, align 8 - %tmp345 = getelementptr %struct.siginfo_t, %struct.siginfo_t* %tmp344, i32 0, i32 3 - %tmp346 = getelementptr { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] }, { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] }* %tmp345, i32 0, i32 0 - %tmp346347 = bitcast { i32, i32, [0 x i8], %struct.sigval_t, i32 }* %tmp346 to { i32, i32, %struct.sigval_t }* - %tmp348 = getelementptr { i32, i32, %struct.sigval_t }, { i32, i32, %struct.sigval_t }* %tmp346347, i32 0, i32 2 - %tmp349 = getelementptr %struct.sigval_t, %struct.sigval_t* %tmp348, i32 0, i32 0 - %tmp349350 = bitcast i8** %tmp349 to i32* - %tmp351 = load i32, i32* %tmp349350, align 8 - %tmp360 = call i32 asm sideeffect "...", - "=r,ir,*m,i,0,~{dirflag},~{fpsr},~{flags}"( i32 %tmp351, - %struct.__large_struct* null, i32 -14, i32 0 ) - unreachable -; CHECK-LABEL: @test27( -} - -; PR1978 - %struct.x = type <{ i8 }> -@.str = internal constant [6 x i8] c"Main!\00" -@.str1 = internal constant [12 x i8] c"destroy %p\0A\00" - -define i32 @test28() nounwind { -entry: - %orientations = alloca [1 x [1 x %struct.x]] - %tmp3 = call i32 @puts( i8* getelementptr ([6 x i8], [6 x i8]* @.str, i32 0, i32 0) ) nounwind - %tmp45 = getelementptr inbounds [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* %orientations, i32 1, i32 0, i32 0 - %orientations62 = getelementptr [1 x [1 x %struct.x]], [1 x [1 x %struct.x]]* %orientations, i32 0, i32 0, i32 0 - br label %bb10 - -bb10: - %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb10 ] - %tmp.0.reg2mem.0.rec = mul i32 %indvar, -1 - %tmp12.rec = add i32 %tmp.0.reg2mem.0.rec, -1 - %tmp12 = getelementptr inbounds %struct.x, %struct.x* %tmp45, i32 %tmp12.rec - %tmp16 = call i32 (i8*, ...) @printf( i8* getelementptr ([12 x i8], [12 x i8]* @.str1, i32 0, i32 0), %struct.x* %tmp12 ) nounwind - %tmp84 = icmp eq %struct.x* %tmp12, %orientations62 - %indvar.next = add i32 %indvar, 1 - br i1 %tmp84, label %bb17, label %bb10 - -bb17: - ret i32 0 -; CHECK-LABEL: @test28( -; CHECK: icmp eq i32 %indvar, 0 -} - -declare i32 @puts(i8*) - -declare i32 @printf(i8*, ...) - - - - -; rdar://6762290 - %T = type <{ i64, i64, i64 }> -define i32 @test29(i8* %start, i32 %X) nounwind { -entry: - %tmp3 = load i64, i64* null - %add.ptr = getelementptr i8, i8* %start, i64 %tmp3 - %tmp158 = load i32, i32* null - %add.ptr159 = getelementptr %T, %T* null, i32 %tmp158 - %add.ptr209 = getelementptr i8, i8* %start, i64 0 - %add.ptr212 = getelementptr i8, i8* %add.ptr209, i32 %X - %cmp214 = icmp ugt i8* %add.ptr212, %add.ptr - br i1 %cmp214, label %if.then216, label %if.end363 - -if.then216: - ret i32 1 - -if.end363: - ret i32 0 -; CHECK-LABEL: @test29( -} - - -; PR3694 -define i32 @test30(i32 %m, i32 %n) nounwind { -entry: - %0 = alloca i32, i32 %n, align 4 - %1 = bitcast i32* %0 to [0 x i32]* - call void @test30f(i32* %0) nounwind - %2 = getelementptr [0 x i32], [0 x i32]* %1, i32 0, i32 %m - %3 = load i32, i32* %2, align 4 - ret i32 %3 -; CHECK-LABEL: @test30( -; CHECK: getelementptr i32 -} - -declare void @test30f(i32*) - - - -define i1 @test31(i32* %A) { - %B = getelementptr i32, i32* %A, i32 1 - %C = getelementptr i32, i32* %A, i64 1 - %V = icmp eq i32* %B, %C - ret i1 %V -; CHECK-LABEL: @test31( -; CHECK: ret i1 true -} - - -; PR1345 -define i8* @test32(i8* %v) { - %A = alloca [4 x i8*], align 16 - %B = getelementptr [4 x i8*], [4 x i8*]* %A, i32 0, i32 0 - store i8* null, i8** %B - %C = bitcast [4 x i8*]* %A to { [16 x i8] }* - %D = getelementptr { [16 x i8] }, { [16 x i8] }* %C, i32 0, i32 0, i32 8 - %E = bitcast i8* %D to i8** - store i8* %v, i8** %E - %F = getelementptr [4 x i8*], [4 x i8*]* %A, i32 0, i32 2 - %G = load i8*, i8** %F - ret i8* %G -; CHECK-LABEL: @test32( -; CHECK: %D = getelementptr inbounds [4 x i8*], [4 x i8*]* %A, i64 0, i64 1 -; CHECK: %F = getelementptr inbounds [4 x i8*], [4 x i8*]* %A, i64 0, i64 2 -} - -; PR3290 -%struct.Key = type { { i32, i32 } } -%struct.anon = type <{ i8, [3 x i8], i32 }> - -define i32* @test33(%struct.Key* %A) { -; CHECK-LABEL: @test33( -; CHECK: getelementptr %struct.Key, %struct.Key* %A, i64 0, i32 0, i32 1 - %B = bitcast %struct.Key* %A to %struct.anon* - %C = getelementptr %struct.anon, %struct.anon* %B, i32 0, i32 2 - ret i32* %C -} - -define i32 addrspace(1)* @test33_as1(%struct.Key addrspace(1)* %A) { -; CHECK-LABEL: @test33_as1( -; CHECK: getelementptr %struct.Key, %struct.Key addrspace(1)* %A, i16 0, i32 0, i32 1 - %B = bitcast %struct.Key addrspace(1)* %A to %struct.anon addrspace(1)* - %C = getelementptr %struct.anon, %struct.anon addrspace(1)* %B, i32 0, i32 2 - ret i32 addrspace(1)* %C -} - -define i32 addrspace(1)* @test33_array_as1([10 x i32] addrspace(1)* %A) { -; CHECK-LABEL: @test33_array_as1( -; CHECK: getelementptr [10 x i32], [10 x i32] addrspace(1)* %A, i16 0, i16 2 - %B = bitcast [10 x i32] addrspace(1)* %A to [5 x i32] addrspace(1)* - %C = getelementptr [5 x i32], [5 x i32] addrspace(1)* %B, i32 0, i32 2 - ret i32 addrspace(1)* %C -} - -; Make sure the GEP indices use the right pointer sized integer -define i32 addrspace(1)* @test33_array_struct_as1([10 x %struct.Key] addrspace(1)* %A) { -; CHECK-LABEL: @test33_array_struct_as1( -; CHECK: getelementptr [10 x %struct.Key], [10 x %struct.Key] addrspace(1)* %A, i16 0, i16 1, i32 0, i32 0 - %B = bitcast [10 x %struct.Key] addrspace(1)* %A to [20 x i32] addrspace(1)* - %C = getelementptr [20 x i32], [20 x i32] addrspace(1)* %B, i32 0, i32 2 - ret i32 addrspace(1)* %C -} - -define i32 addrspace(1)* @test33_addrspacecast(%struct.Key* %A) { -; CHECK-LABEL: @test33_addrspacecast( -; CHECK: %C = getelementptr %struct.Key, %struct.Key* %A, i64 0, i32 0, i32 1 -; CHECK-NEXT: addrspacecast i32* %C to i32 addrspace(1)* -; CHECK-NEXT: ret - %B = addrspacecast %struct.Key* %A to %struct.anon addrspace(1)* - %C = getelementptr %struct.anon, %struct.anon addrspace(1)* %B, i32 0, i32 2 - ret i32 addrspace(1)* %C -} - - %T2 = type { i8*, i8 } -define i8* @test34(i8* %Val, i64 %V) nounwind { -entry: - %A = alloca %T2, align 8 - %mrv_gep = bitcast %T2* %A to i64* - %B = getelementptr %T2, %T2* %A, i64 0, i32 0 - - store i64 %V, i64* %mrv_gep - %C = load i8*, i8** %B, align 8 - ret i8* %C -; CHECK-LABEL: @test34( -; CHECK: %[[C:.*]] = inttoptr i64 %V to i8* -; CHECK: ret i8* %[[C]] -} - -%t0 = type { i8*, [19 x i8] } -%t1 = type { i8*, [0 x i8] } - -@array = external global [11 x i8] - -@s = external global %t0 -@"\01LC8" = external constant [17 x i8] - -; Instcombine should be able to fold this getelementptr. - -define i32 @test35() nounwind { - call i32 (i8*, ...) @printf(i8* getelementptr ([17 x i8], [17 x i8]* @"\01LC8", i32 0, i32 0), - i8* getelementptr (%t1, %t1* bitcast (%t0* @s to %t1*), i32 0, i32 1, i32 0)) nounwind - ret i32 0 -; CHECK-LABEL: @test35( -; CHECK: call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @"\01LC8", i64 0, i64 0), i8* getelementptr inbounds (%t0, %t0* @s, i64 0, i32 1, i64 0)) [[$NUW:#[0-9]+]] -} - -; Don't treat signed offsets as unsigned. -define i8* @test36() nounwind { - ret i8* getelementptr ([11 x i8], [11 x i8]* @array, i32 0, i64 -1) -; CHECK-LABEL: @test36( -; CHECK: ret i8* getelementptr ([11 x i8], [11 x i8]* @array, i64 0, i64 -1) -} - -; Instcombine shouldn't assume that gep(A,0,1) != gep(A,1,0). -@A37 = external constant [1 x i8] -define i1 @test37() nounwind { -; CHECK-LABEL: @test37( -; CHECK: ret i1 true - %t = icmp eq i8* getelementptr ([1 x i8], [1 x i8]* @A37, i64 0, i64 1), - getelementptr ([1 x i8], [1 x i8]* @A37, i64 1, i64 0) - ret i1 %t -} - -; Test index promotion -define i32* @test38(i32* %I, i32 %n) { - %A = getelementptr i32, i32* %I, i32 %n - ret i32* %A -; CHECK-LABEL: @test38( -; CHECK: = sext i32 %n to i64 -; CHECK: %A = getelementptr i32, i32* %I, i64 % -} - -; Test that we don't duplicate work when the second gep is a "bitcast". -%pr10322_t = type { i8* } -declare void @pr10322_f2(%pr10322_t*) -declare void @pr10322_f3(i8**) -define void @pr10322_f1(%pr10322_t* %foo) { -entry: - %arrayidx8 = getelementptr inbounds %pr10322_t, %pr10322_t* %foo, i64 2 - call void @pr10322_f2(%pr10322_t* %arrayidx8) nounwind - %tmp2 = getelementptr inbounds %pr10322_t, %pr10322_t* %arrayidx8, i64 0, i32 0 - call void @pr10322_f3(i8** %tmp2) nounwind - ret void - -; CHECK-LABEL: @pr10322_f1( -; CHECK: %tmp2 = getelementptr inbounds %pr10322_t, %pr10322_t* %arrayidx8, i64 0, i32 0 -} - -; Test that we combine the last two geps in this sequence, before we -; would wait for gep1 and gep2 to be combined and never combine 2 and 3. -%three_gep_t = type {i32} -%three_gep_t2 = type {%three_gep_t} - -define void @three_gep_f(%three_gep_t2* %x) { - %gep1 = getelementptr %three_gep_t2, %three_gep_t2* %x, i64 2 - call void @three_gep_h(%three_gep_t2* %gep1) - %gep2 = getelementptr %three_gep_t2, %three_gep_t2* %gep1, i64 0, i32 0 - %gep3 = getelementptr %three_gep_t, %three_gep_t* %gep2, i64 0, i32 0 - call void @three_gep_g(i32* %gep3) - -; CHECK-LABEL: @three_gep_f( -; CHECK: %gep3 = getelementptr %three_gep_t2, %three_gep_t2* %gep1, i64 0, i32 0, i32 0 - ret void -} - -declare void @three_gep_g(i32*) -declare void @three_gep_h(%three_gep_t2*) - -%struct.ham = type { i32, %struct.zot*, %struct.zot*, %struct.zot* } -%struct.zot = type { i64, i8 } - -define void @test39(%struct.ham* %arg, i8 %arg1) nounwind { - %tmp = getelementptr inbounds %struct.ham, %struct.ham* %arg, i64 0, i32 2 - %tmp2 = load %struct.zot*, %struct.zot** %tmp, align 8 - %tmp3 = bitcast %struct.zot* %tmp2 to i8* - %tmp4 = getelementptr inbounds i8, i8* %tmp3, i64 -8 - store i8 %arg1, i8* %tmp4, align 8 - ret void - -; CHECK-LABEL: @test39( -; CHECK: getelementptr inbounds %struct.ham, %struct.ham* %arg, i64 0, i32 2 -; CHECK: getelementptr inbounds i8, i8* %{{.+}}, i64 -8 -} - -define i1 @pr16483([1 x i8]* %a, [1 x i8]* %b) { - %c = getelementptr [1 x i8], [1 x i8]* %a, i32 0, i32 0 - %d = getelementptr [1 x i8], [1 x i8]* %b, i32 0, i32 0 - %cmp = icmp ult i8* %c, %d - ret i1 %cmp - -; CHECK-LABEL: @pr16483( -; CHECK-NEXT: icmp ult [1 x i8]* %a, %b -} - -define i8 @test_gep_bitcast_as1(i32 addrspace(1)* %arr, i16 %N) { -; CHECK-LABEL: @test_gep_bitcast_as1( -; CHECK: getelementptr i32, i32 addrspace(1)* %arr, i16 %N -; CHECK: bitcast - %cast = bitcast i32 addrspace(1)* %arr to i8 addrspace(1)* - %V = mul i16 %N, 4 - %t = getelementptr i8, i8 addrspace(1)* %cast, i16 %V - %x = load i8, i8 addrspace(1)* %t - ret i8 %x -} - -; The element size of the array matches the element size of the pointer -define i64 @test_gep_bitcast_array_same_size_element([100 x double]* %arr, i64 %N) { -; CHECK-LABEL: @test_gep_bitcast_array_same_size_element( -; CHECK: getelementptr [100 x double], [100 x double]* %arr, i64 0, i64 %V -; CHECK: bitcast - %cast = bitcast [100 x double]* %arr to i64* - %V = mul i64 %N, 8 - %t = getelementptr i64, i64* %cast, i64 %V - %x = load i64, i64* %t - ret i64 %x -} - -; gep should be done in the original address space. -define i64 @test_gep_bitcast_array_same_size_element_addrspacecast([100 x double]* %arr, i64 %N) { -; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_addrspacecast( -; CHECK: getelementptr [100 x double], [100 x double]* %arr, i64 0, i64 %V -; CHECK-NEXT: bitcast double* -; CHECK-NEXT: %t = addrspacecast i64* -; CHECK: load i64, i64 addrspace(3)* %t - %cast = addrspacecast [100 x double]* %arr to i64 addrspace(3)* - %V = mul i64 %N, 8 - %t = getelementptr i64, i64 addrspace(3)* %cast, i64 %V - %x = load i64, i64 addrspace(3)* %t - ret i64 %x -} - -; The element size of the array is different the element size of the pointer -define i8 @test_gep_bitcast_array_different_size_element([100 x double]* %arr, i64 %N) { -; CHECK-LABEL: @test_gep_bitcast_array_different_size_element( -; CHECK: getelementptr [100 x double], [100 x double]* %arr, i64 0, i64 %N -; CHECK: bitcast - %cast = bitcast [100 x double]* %arr to i8* - %V = mul i64 %N, 8 - %t = getelementptr i8, i8* %cast, i64 %V - %x = load i8, i8* %t - ret i8 %x -} - -define i64 @test_gep_bitcast_array_same_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) { -; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_as1( -; CHECK: getelementptr [100 x double], [100 x double] addrspace(1)* %arr, i16 0, i16 %V -; CHECK: bitcast - %cast = bitcast [100 x double] addrspace(1)* %arr to i64 addrspace(1)* - %V = mul i16 %N, 8 - %t = getelementptr i64, i64 addrspace(1)* %cast, i16 %V - %x = load i64, i64 addrspace(1)* %t - ret i64 %x -} - -define i8 @test_gep_bitcast_array_different_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) { -; CHECK-LABEL: @test_gep_bitcast_array_different_size_element_as1( -; CHECK: getelementptr [100 x double], [100 x double] addrspace(1)* %arr, i16 0, i16 %N -; CHECK: bitcast - %cast = bitcast [100 x double] addrspace(1)* %arr to i8 addrspace(1)* - %V = mul i16 %N, 8 - %t = getelementptr i8, i8 addrspace(1)* %cast, i16 %V - %x = load i8, i8 addrspace(1)* %t - ret i8 %x -} - -define i64 @test40() { - %array = alloca [3 x i32], align 4 - %gep = getelementptr inbounds [3 x i32], [3 x i32]* %array, i64 0, i64 2 - %gepi8 = bitcast i32* %gep to i8* - %p = ptrtoint [3 x i32]* %array to i64 - %np = sub i64 0, %p - %gep2 = getelementptr i8, i8* %gepi8, i64 %np - %ret = ptrtoint i8* %gep2 to i64 - ret i64 %ret - -; CHECK-LABEL: @test40 -; CHECK-NEXT: ret i64 8 -} - -define i16 @test41([3 x i32] addrspace(1)* %array) { - %gep = getelementptr inbounds [3 x i32], [3 x i32] addrspace(1)* %array, i16 0, i16 2 - %gepi8 = bitcast i32 addrspace(1)* %gep to i8 addrspace(1)* - %p = ptrtoint [3 x i32] addrspace(1)* %array to i16 - %np = sub i16 0, %p - %gep2 = getelementptr i8, i8 addrspace(1)* %gepi8, i16 %np - %ret = ptrtoint i8 addrspace(1)* %gep2 to i16 - ret i16 %ret - -; CHECK-LABEL: @test41( -; CHECK-NEXT: ret i16 8 -} - -define i8* @test42(i8* %c1, i8* %c2) { - %ptrtoint = ptrtoint i8* %c1 to i64 - %sub = sub i64 0, %ptrtoint - %gep = getelementptr inbounds i8, i8* %c2, i64 %sub - ret i8* %gep - -; CHECK-LABEL: @test42( -; CHECK-NEXT: [[PTRTOINT1:%.*]] = ptrtoint i8* %c1 to i64 -; CHECK-NEXT: [[PTRTOINT2:%.*]] = ptrtoint i8* %c2 to i64 -; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[PTRTOINT2]], [[PTRTOINT1]] -; CHECK-NEXT: [[INTTOPTR:%.*]] = inttoptr i64 [[SUB]] to i8* -; CHECK-NEXT: ret i8* [[INTTOPTR]] -} - -define i16* @test43(i16* %c1, i16* %c2) { - %ptrtoint = ptrtoint i16* %c1 to i64 - %sub = sub i64 0, %ptrtoint - %shr = ashr i64 %sub, 1 - %gep = getelementptr inbounds i16, i16* %c2, i64 %shr - ret i16* %gep - -; CHECK-LABEL: @test43( -; CHECK-NEXT: [[PTRTOINT1:%.*]] = ptrtoint i16* %c1 to i64 -; CHECK-NEXT: [[PTRTOINT2:%.*]] = ptrtoint i16* %c2 to i64 -; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[PTRTOINT2]], [[PTRTOINT1]] -; CHECK-NEXT: [[INTTOPTR:%.*]] = inttoptr i64 [[SUB]] to i16* -; CHECK-NEXT: ret i16* [[INTTOPTR]] -} - -define %struct.C* @test44(%struct.C* %c1, %struct.C* %c2) { - %ptrtoint = ptrtoint %struct.C* %c1 to i64 - %sub = sub i64 0, %ptrtoint - %shr = sdiv i64 %sub, 7 - %gep = getelementptr inbounds %struct.C, %struct.C* %c2, i64 %shr - ret %struct.C* %gep - -; CHECK-LABEL: @test44( -; CHECK-NEXT: [[PTRTOINT1:%.*]] = ptrtoint %struct.C* %c1 to i64 -; CHECK-NEXT: [[PTRTOINT2:%.*]] = ptrtoint %struct.C* %c2 to i64 -; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[PTRTOINT2]], [[PTRTOINT1]] -; CHECK-NEXT: [[INTTOPTR:%.*]] = inttoptr i64 [[SUB]] to %struct.C* -; CHECK-NEXT: ret %struct.C* [[INTTOPTR]] -} - -define %struct.C* @test45(%struct.C* %c1, %struct.C** %c2) { - %ptrtoint1 = ptrtoint %struct.C* %c1 to i64 - %ptrtoint2 = ptrtoint %struct.C** %c2 to i64 - %sub = sub i64 %ptrtoint2, %ptrtoint1 ; C2 - C1 - %shr = sdiv i64 %sub, 7 - %gep = getelementptr inbounds %struct.C, %struct.C* %c1, i64 %shr ; C1 + (C2 - C1) - ret %struct.C* %gep - -; CHECK-LABEL: @test45( -; CHECK-NEXT: [[BITCAST:%.*]] = bitcast %struct.C** %c2 to %struct.C* -; CHECK-NEXT: ret %struct.C* [[BITCAST]] -} - -define %struct.C* @test46(%struct.C* %c1, %struct.C* %c2, i64 %N) { - %ptrtoint = ptrtoint %struct.C* %c1 to i64 - %sub = sub i64 0, %ptrtoint - %sdiv = sdiv i64 %sub, %N - %gep = getelementptr inbounds %struct.C, %struct.C* %c2, i64 %sdiv - ret %struct.C* %gep - -; CHECK-LABEL: @test46( -; CHECK-NEXT: [[PTRTOINT:%.*]] = ptrtoint %struct.C* %c1 to i64 -; CHECK-NEXT: [[SUB:%.*]] = sub i64 0, [[PTRTOINT]] -; CHECK-NEXT: [[SDIV:%.*]] = sdiv i64 [[SUB]], %N -; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds %struct.C, %struct.C* %c2, i64 %sdiv -; CHECK-NEXT: ret %struct.C* [[GEP]] -} - -define i32* @test47(i32* %I, i64 %C, i64 %D) { - %sub = sub i64 %D, %C - %A = getelementptr i32, i32* %I, i64 %C - %B = getelementptr i32, i32* %A, i64 %sub - ret i32* %B -; CHECK-LABEL: @test47( -; CHECK-NEXT: %B = getelementptr i32, i32* %I, i64 %D -} - -define i32* @test48(i32* %I, i64 %C, i64 %D) { - %sub = sub i64 %D, %C - %A = getelementptr i32, i32* %I, i64 %sub - %B = getelementptr i32, i32* %A, i64 %C - ret i32* %B -; CHECK-LABEL: @test48( -; CHECK-NEXT: %B = getelementptr i32, i32* %I, i64 %D -} - -define i32* @test49(i32* %I, i64 %C) { - %notC = xor i64 -1, %C - %A = getelementptr i32, i32* %I, i64 %C - %B = getelementptr i32, i32* %A, i64 %notC - ret i32* %B -; CHECK-LABEL: @test49( -; CHECK-NEXT: %B = getelementptr i32, i32* %I, i64 -1 -} - -define i32 addrspace(1)* @ascast_0_gep(i32* %p) nounwind { -; CHECK-LABEL: @ascast_0_gep( -; CHECK-NOT: getelementptr -; CHECK: ret - %gep = getelementptr i32, i32* %p, i32 0 - %x = addrspacecast i32* %gep to i32 addrspace(1)* - ret i32 addrspace(1)* %x -} - -; Do not merge the GEP and the addrspacecast, because it would undo the -; addrspacecast canonicalization. -define i32 addrspace(1)* @ascast_0_0_gep([128 x i32]* %p) nounwind { -; CHECK-LABEL: @ascast_0_0_gep( -; CHECK-NEXT: getelementptr [128 x i32] -; CHECK-NEXT: addrspacecast i32* -; CHECK-NEXT: ret i32 addrspace(1)* - %gep = getelementptr [128 x i32], [128 x i32]* %p, i32 0, i32 0 - %x = addrspacecast i32* %gep to i32 addrspace(1)* - ret i32 addrspace(1)* %x -} - -define <2 x i32*> @PR32414(i32** %ptr) { -; CHECK-LABEL: @PR32414( -; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32** %ptr to i32* -; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], <2 x i64> <i64 0, i64 1> -; CHECK-NEXT: ret <2 x i32*> [[TMP1]] -; - %tmp0 = bitcast i32** %ptr to i32* - %tmp1 = getelementptr inbounds i32, i32* %tmp0, <2 x i64> <i64 0, i64 1> - ret <2 x i32*> %tmp1 -} - -; CHECK: attributes [[$NUW]] = { nounwind } |
