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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-02-02 09:10:43 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-02-02 09:10:43 +0000 |
| commit | dcabc7bca9b81c384d307cbb7d28b29451e263f2 (patch) | |
| tree | e26437ef2ab73a1e5bdfb11c0d61568a15a3a7ef /test | |
| parent | 1ae52f686cb04a08cb64b3fab90e7ac4c9010384 (diff) | |
| download | external_llvm-dcabc7bca9b81c384d307cbb7d28b29451e263f2.zip external_llvm-dcabc7bca9b81c384d307cbb7d28b29451e263f2.tar.gz external_llvm-dcabc7bca9b81c384d307cbb7d28b29451e263f2.tar.bz2 | |
Optimization for SIGN_EXTEND operation on AVX.
Special handling was added for v4i32 -> v4i64 and v8i16 -> v8i32
extensions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149600 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rwxr-xr-x | test/CodeGen/X86/avx-sext.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/avx-sext.ll b/test/CodeGen/X86/avx-sext.ll new file mode 100755 index 0000000..3713a8c --- /dev/null +++ b/test/CodeGen/X86/avx-sext.ll @@ -0,0 +1,17 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s + +define <8 x i32> @sext_8i16_to_8i32(<8 x i16> %A) nounwind uwtable readnone ssp { +;CHECK: sext_8i16_to_8i32 +;CHECK: vpmovsxwd + + %B = sext <8 x i16> %A to <8 x i32> + ret <8 x i32>%B +} + +define <4 x i64> @sext_4i32_to_4i64(<4 x i32> %A) nounwind uwtable readnone ssp { +;CHECK: sext_4i32_to_4i64 +;CHECK: vpmovsxdq + + %B = sext <4 x i32> %A to <4 x i64> + ret <4 x i64>%B +} |