diff options
Diffstat (limited to 'llvm/test/Transforms/MergeFunc/Stats')
5 files changed, 156 insertions, 0 deletions
diff --git a/llvm/test/Transforms/MergeFunc/Stats/lit.local.cfg b/llvm/test/Transforms/MergeFunc/Stats/lit.local.cfg new file mode 100644 index 00000000000..89c0cd9d487 --- /dev/null +++ b/llvm/test/Transforms/MergeFunc/Stats/lit.local.cfg @@ -0,0 +1,4 @@ +config.suffixes = ['.ll', '.c', '.cpp'] + +if not config.root.enable_assertions: + config.unsupported = True diff --git a/llvm/test/Transforms/MergeFunc/Stats/phi-speculation1.ll b/llvm/test/Transforms/MergeFunc/Stats/phi-speculation1.ll new file mode 100644 index 00000000000..fd0baffb310 --- /dev/null +++ b/llvm/test/Transforms/MergeFunc/Stats/phi-speculation1.ll @@ -0,0 +1,29 @@ +; RUN: opt < %s -mergefunc -stats -disable-output 2>&1 | not grep "functions merged" + +define i32 @foo1(i32 %x) { +entry: + %A = add i32 %x, 1 + %B = call i32 @foo1(i32 %A) + br label %loop +loop: + %C = phi i32 [%B, %entry], [%D, %loop] + %D = add i32 %x, 2 + %E = icmp ugt i32 %D, 10000 + br i1 %E, label %loopexit, label %loop +loopexit: + ret i32 %D +} + +define i32 @foo2(i32 %x) { +entry: + %0 = add i32 %x, 1 + %1 = call i32 @foo2(i32 %0) + br label %loop +loop: + %2 = phi i32 [%1, %entry], [%3, %loop] + %3 = add i32 %2, 2 + %4 = icmp ugt i32 %3, 10000 + br i1 %4, label %loopexit, label %loop +loopexit: + ret i32 %3 +} diff --git a/llvm/test/Transforms/MergeFunc/Stats/phi-speculation2.ll b/llvm/test/Transforms/MergeFunc/Stats/phi-speculation2.ll new file mode 100644 index 00000000000..eec8b5c5a90 --- /dev/null +++ b/llvm/test/Transforms/MergeFunc/Stats/phi-speculation2.ll @@ -0,0 +1,29 @@ +; RUN: opt < %s -mergefunc -stats -disable-output 2>&1 | grep "functions merged" + +define i32 @foo1(i32 %x) { +entry: + %A = add i32 %x, 1 + %B = call i32 @foo1(i32 %A) + br label %loop +loop: + %C = phi i32 [%B, %entry], [%D, %loop] + %D = add i32 %C, 2 + %E = icmp ugt i32 %D, 10000 + br i1 %E, label %loopexit, label %loop +loopexit: + ret i32 %D +} + +define i32 @foo2(i32 %x) { +entry: + %0 = add i32 %x, 1 + %1 = call i32 @foo2(i32 %0) + br label %loop +loop: + %2 = phi i32 [%1, %entry], [%3, %loop] + %3 = add i32 %2, 2 + %4 = icmp ugt i32 %3, 10000 + br i1 %4, label %loopexit, label %loop +loopexit: + ret i32 %3 +} diff --git a/llvm/test/Transforms/MergeFunc/Stats/vector.ll b/llvm/test/Transforms/MergeFunc/Stats/vector.ll new file mode 100644 index 00000000000..4af079f8cdf --- /dev/null +++ b/llvm/test/Transforms/MergeFunc/Stats/vector.ll @@ -0,0 +1,76 @@ +; RUN: opt -mergefunc -stats -disable-output < %s 2>&1 | grep "functions merged" + +; This test is checks whether we can merge +; vector<intptr_t>::push_back(0) +; and +; vector<void *>::push_back(0) +; . + +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-n8:16:32:64" +target triple = "x86_64-unknown-linux-gnu" + +%0 = type { i32, void ()* } +%1 = type { i64, i1 } +%"class.std::vector" = type { [24 x i8] } + +@vi = global %"class.std::vector" zeroinitializer, align 8 +@__dso_handle = external unnamed_addr global i8* +@vp = global %"class.std::vector" zeroinitializer, align 8 +@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @_GLOBAL__I_a }] + +define linkonce_odr void @_ZNSt6vectorIlSaIlEED1Ev(%"class.std::vector"* nocapture %this) unnamed_addr align 2 { +entry: + %tmp2.i.i = bitcast %"class.std::vector"* %this to i64** + %tmp3.i.i = load i64** %tmp2.i.i, align 8, !tbaa !0 + %tobool.i.i.i = icmp eq i64* %tmp3.i.i, null + br i1 %tobool.i.i.i, label %_ZNSt6vectorIlSaIlEED2Ev.exit, label %if.then.i.i.i + +if.then.i.i.i: ; preds = %entry + %0 = bitcast i64* %tmp3.i.i to i8* + tail call void @_ZdlPv(i8* %0) nounwind + ret void + +_ZNSt6vectorIlSaIlEED2Ev.exit: ; preds = %entry + ret void +} + +declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) + +define linkonce_odr void @_ZNSt6vectorIPvSaIS0_EED1Ev(%"class.std::vector"* nocapture %this) unnamed_addr align 2 { +entry: + %tmp2.i.i = bitcast %"class.std::vector"* %this to i8*** + %tmp3.i.i = load i8*** %tmp2.i.i, align 8, !tbaa !0 + %tobool.i.i.i = icmp eq i8** %tmp3.i.i, null + br i1 %tobool.i.i.i, label %_ZNSt6vectorIPvSaIS0_EED2Ev.exit, label %if.then.i.i.i + +if.then.i.i.i: ; preds = %entry + %0 = bitcast i8** %tmp3.i.i to i8* + tail call void @_ZdlPv(i8* %0) nounwind + ret void + +_ZNSt6vectorIPvSaIS0_EED2Ev.exit: ; preds = %entry + ret void +} + +declare void @_Z1fv() + +declare void @_ZNSt6vectorIPvSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_(%"class.std::vector"* nocapture %this, i8** %__position.coerce, i8** nocapture %__x) align 2 + +declare void @_ZdlPv(i8*) nounwind + +declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind + +declare void @_ZSt17__throw_bad_allocv() noreturn + +declare noalias i8* @_Znwm(i64) + +declare void @_ZNSt6vectorIlSaIlEE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPlS1_EERKl(%"class.std::vector"* nocapture %this, i64* %__position.coerce, i64* nocapture %__x) align 2 + +declare void @_GLOBAL__I_a() + +declare %1 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone + +!0 = metadata !{metadata !"any pointer", metadata !1} +!1 = metadata !{metadata !"omnipotent char", metadata !2} +!2 = metadata !{metadata !"Simple C/C++ TBAA", null} +!3 = metadata !{metadata !"long", metadata !1} diff --git a/llvm/test/Transforms/MergeFunc/Stats/vectors-and-arrays.ll b/llvm/test/Transforms/MergeFunc/Stats/vectors-and-arrays.ll new file mode 100644 index 00000000000..dc64a0858ba --- /dev/null +++ b/llvm/test/Transforms/MergeFunc/Stats/vectors-and-arrays.ll @@ -0,0 +1,18 @@ +; RUN: opt -mergefunc < %s -disable-output -stats | not grep merged +; This used to crash with an assert. + +define <2 x i8> @v1(<2 x i8> %x) { + ret <2 x i8> %x +} + +define <4 x i8> @v2(<4 x i8> %x) { + ret <4 x i8> %x +} + +define [2 x i8] @a1([2 x i8] %x) { + ret [2 x i8] %x +} + +define [4 x i8] @a2([4 x i8] %x) { + ret [4 x i8] %x +} |
