diff options
| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-09-10 12:13:11 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2012-09-10 12:13:11 +0000 |
| commit | 8100d244ff1e29c5e4cc864152c2e210dc6c4275 (patch) | |
| tree | 70dba4b61a82cc195200002f29cc939e47ea5715 /test/CodeGen/X86/avx2-shuffle.ll | |
| parent | 1ac4587eb32e639576973b793d465c5d9577bef7 (diff) | |
| download | llvm-8100d244ff1e29c5e4cc864152c2e210dc6c4275.tar.gz llvm-8100d244ff1e29c5e4cc864152c2e210dc6c4275.tar.bz2 llvm-8100d244ff1e29c5e4cc864152c2e210dc6c4275.tar.xz | |
The VPSHUFB 256-bit instruction may be generated when one of input vector is undefined or zeroinitializer.
I've added the "zeroinitializer" case in this patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163506 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/avx2-shuffle.ll')
| -rw-r--r-- | test/CodeGen/X86/avx2-shuffle.ll | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/test/CodeGen/X86/avx2-shuffle.ll b/test/CodeGen/X86/avx2-shuffle.ll index 8af9373e50..267a806672 100644 --- a/test/CodeGen/X86/avx2-shuffle.ll +++ b/test/CodeGen/X86/avx2-shuffle.ll @@ -36,4 +36,27 @@ define <32 x i8> @vpshufb_test(<32 x i8> %a) nounwind { i32 18, i32 19, i32 30, i32 16, i32 25, i32 23, i32 17, i32 25, i32 20, i32 19, i32 31, i32 17, i32 23, i32 undef, i32 29, i32 18> ret <32 x i8>%S -}
\ No newline at end of file +} + +; CHECK: vpshufb1_test +; CHECK; vpshufb {{.*\(%r.*}}, %ymm +; CHECK: ret +define <32 x i8> @vpshufb1_test(<32 x i8> %a) nounwind { + %S = shufflevector <32 x i8> %a, <32 x i8> zeroinitializer, <32 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15, + i32 1, i32 9, i32 36, i32 11, i32 5, i32 13, i32 7, i32 15, + i32 18, i32 49, i32 30, i32 16, i32 25, i32 23, i32 17, i32 25, + i32 20, i32 19, i32 31, i32 17, i32 23, i32 undef, i32 29, i32 18> + ret <32 x i8>%S +} + + +; CHECK: vpshufb2_test +; CHECK; vpshufb {{.*\(%r.*}}, %ymm +; CHECK: ret +define <32 x i8> @vpshufb2_test(<32 x i8> %a) nounwind { + %S = shufflevector <32 x i8> zeroinitializer, <32 x i8> %a, <32 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15, + i32 1, i32 9, i32 36, i32 11, i32 5, i32 13, i32 7, i32 15, + i32 18, i32 49, i32 30, i32 16, i32 25, i32 23, i32 17, i32 25, + i32 20, i32 19, i32 31, i32 17, i32 23, i32 undef, i32 29, i32 18> + ret <32 x i8>%S +} |