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| author | Alexey Bataev <a.bataev@hotmail.com> | 2017-02-13 19:08:19 +0000 |
|---|---|---|
| committer | Alexey Bataev <a.bataev@hotmail.com> | 2017-02-13 19:08:19 +0000 |
| commit | 7bed48e7a3fda0eb04875d1fc05a4db516f26b5c (patch) | |
| tree | b44fdc83db7ac833a0f29a87a83b57aaf3f70e59 | |
| parent | 2f84e43ce2936e369818697f8cf13b15bbea45fd (diff) | |
| download | bcm5719-llvm-7bed48e7a3fda0eb04875d1fc05a4db516f26b5c.tar.gz bcm5719-llvm-7bed48e7a3fda0eb04875d1fc05a4db516f26b5c.zip | |
[SLP] Test for extractelement cost fix.
llvm-svn: 294980
| -rw-r--r-- | llvm/test/Transforms/SLPVectorizer/X86/extractelement.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/Transforms/SLPVectorizer/X86/extractelement.ll b/llvm/test/Transforms/SLPVectorizer/X86/extractelement.ll new file mode 100644 index 00000000000..264444447b6 --- /dev/null +++ b/llvm/test/Transforms/SLPVectorizer/X86/extractelement.ll @@ -0,0 +1,20 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-unknown-linux -march=core-avx2 | FileCheck %s + +define float @f(<2 x float> %x) { +; CHECK-LABEL: @f( +; CHECK-NEXT: [[X0:%.*]] = extractelement <2 x float> [[X:%.*]], i32 0 +; CHECK-NEXT: [[X1:%.*]] = extractelement <2 x float> [[X]], i32 1 +; CHECK-NEXT: [[X0X0:%.*]] = fmul float [[X0]], [[X0]] +; CHECK-NEXT: [[X1X1:%.*]] = fmul float [[X1]], [[X1]] +; CHECK-NEXT: [[ADD:%.*]] = fadd float [[X0X0]], [[X1X1]] +; CHECK-NEXT: ret float [[ADD]] +; + %x0 = extractelement <2 x float> %x, i32 0 + %x1 = extractelement <2 x float> %x, i32 1 + %x0x0 = fmul float %x0, %x0 + %x1x1 = fmul float %x1, %x1 + %add = fadd float %x0x0, %x1x1 + ret float %add +} + |
