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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-01-24 13:54:13 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-01-24 13:54:13 +0000 |
| commit | 28d7e71a3021d55dce21005112f444facbda0398 (patch) | |
| tree | 8053b24002ccb0ee763e97e33ff35fb505807b40 /test | |
| parent | 1ee0ecf84a07693c3a517ba030fac8ac1f9f3fbc (diff) | |
| download | llvm-28d7e71a3021d55dce21005112f444facbda0398.tar.gz llvm-28d7e71a3021d55dce21005112f444facbda0398.tar.bz2 llvm-28d7e71a3021d55dce21005112f444facbda0398.tar.xz | |
ZERO_EXTEND operation is optimized for AVX.
v8i16 -> v8i32, v4i32 -> v4i64 - used vpunpck* instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148803 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rwxr-xr-x | test/CodeGen/X86/avx-zext.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/avx-zext.ll b/test/CodeGen/X86/avx-zext.ll new file mode 100755 index 0000000000..795a7b3dd4 --- /dev/null +++ b/test/CodeGen/X86/avx-zext.ll @@ -0,0 +1,17 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s + +define <8 x i32> @zext_8i16_to_8i32(<8 x i16> %A) nounwind uwtable readnone ssp { +;CHECK: zext_8i16_to_8i32 +;CHECK: vpunpckhwd + + %B = zext <8 x i16> %A to <8 x i32> + ret <8 x i32>%B +} + +define <4 x i64> @zext_4i32_to_4i64(<4 x i32> %A) nounwind uwtable readnone ssp { +;CHECK: zext_4i32_to_4i64 +;CHECK: vpunpckhdq + + %B = zext <4 x i32> %A to <4 x i64> + ret <4 x i64>%B +} |