diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2008-09-26 23:41:32 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-09-26 23:41:32 +0000 |
| commit | b7a75a5a541a836d07cfc5ccebd70bb5e42f797f (patch) | |
| tree | 66181d36082ae4203edbca00c97e614e31fc7f3b /test/CodeGen/X86/vec_shuffle-23.ll | |
| parent | 19c874638d9478a5d5028854817a5ee72293bb2b (diff) | |
| download | external_llvm-b7a75a5a541a836d07cfc5ccebd70bb5e42f797f.zip external_llvm-b7a75a5a541a836d07cfc5ccebd70bb5e42f797f.tar.gz external_llvm-b7a75a5a541a836d07cfc5ccebd70bb5e42f797f.tar.bz2 | |
Implement "punpckldq %xmm0, $xmm0" as "pshufd $0x50, %xmm0, %xmm" unless optimizing for code size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56711 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/vec_shuffle-23.ll')
| -rw-r--r-- | test/CodeGen/X86/vec_shuffle-23.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec_shuffle-23.ll b/test/CodeGen/X86/vec_shuffle-23.ll new file mode 100644 index 0000000..34d84ef --- /dev/null +++ b/test/CodeGen/X86/vec_shuffle-23.ll @@ -0,0 +1,19 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | not grep punpck +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pshufd +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -optimize-size | grep punpck + +define i32 @t() nounwind { +entry: + %a = alloca <4 x i32> ; <<4 x i32>*> [#uses=2] + %b = alloca <4 x i32> ; <<4 x i32>*> [#uses=5] + volatile store <4 x i32> < i32 0, i32 1, i32 2, i32 3 >, <4 x i32>* %a + %tmp = load <4 x i32>* %a ; <<4 x i32>> [#uses=1] + store <4 x i32> %tmp, <4 x i32>* %b + %tmp1 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1] + %tmp2 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1] + %punpckldq = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> < i32 0, i32 4, i32 1, i32 5 > ; <<4 x i32>> [#uses=1] + store <4 x i32> %punpckldq, <4 x i32>* %b + %tmp3 = load <4 x i32>* %b ; <<4 x i32>> [#uses=1] + %result = extractelement <4 x i32> %tmp3, i32 0 ; <i32> [#uses=1] + ret i32 %result +} |