diff options
Diffstat (limited to 'test/Transforms/SLPVectorizer/X86/pr31599.ll')
| -rw-r--r-- | test/Transforms/SLPVectorizer/X86/pr31599.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/pr31599.ll b/test/Transforms/SLPVectorizer/X86/pr31599.ll new file mode 100644 index 0000000000000..64e0f7be7e2ef --- /dev/null +++ b/test/Transforms/SLPVectorizer/X86/pr31599.ll @@ -0,0 +1,30 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s + +define <2 x float> @foo() { +; CHECK-LABEL: @foo( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[SOURCE:%.*]] = insertelement <2 x float> undef, float undef, i32 0 +; CHECK-NEXT: [[TMP0:%.*]] = fsub <2 x float> [[SOURCE]], [[SOURCE]] +; CHECK-NEXT: [[TMP1:%.*]] = extractelement <2 x float> [[TMP0]], i32 0 +; CHECK-NEXT: [[RES1:%.*]] = insertelement <2 x float> undef, float [[TMP1]], i32 0 +; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x float> [[TMP0]], i32 1 +; CHECK-NEXT: [[RES2:%.*]] = insertelement <2 x float> [[RES1]], float [[TMP2]], i32 1 +; CHECK-NEXT: ret <2 x float> [[RES2]] +; +entry: + %source = insertelement <2 x float> undef, float undef, i32 0 + %e0 = extractelement <2 x float> %source, i32 0 + %e0.dup = extractelement <2 x float> %source, i32 0 + %sub1 = fsub float %e0, %e0.dup + %e1 = extractelement <2 x float> %source, i32 1 + %e1.dup = extractelement <2 x float> %source, i32 1 + %sub2 = fsub float %e1, %e1.dup + %res1 = insertelement <2 x float> undef, float %sub1, i32 0 + %res2 = insertelement <2 x float> %res1, float %sub2, i32 1 + ret <2 x float> %res2 +} + +!llvm.ident = !{!0, !0} + +!0 = !{!"clang version 4.0.0 "} |