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| author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
| commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
| tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/CodeGen/X86/mmx-punpckhdq.ll | |
| download | external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.zip external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.gz external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.bz2 | |
Check in LLVM r95781.
Diffstat (limited to 'test/CodeGen/X86/mmx-punpckhdq.ll')
| -rw-r--r-- | test/CodeGen/X86/mmx-punpckhdq.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/X86/mmx-punpckhdq.ll b/test/CodeGen/X86/mmx-punpckhdq.ll new file mode 100644 index 0000000..0af7e01 --- /dev/null +++ b/test/CodeGen/X86/mmx-punpckhdq.ll @@ -0,0 +1,14 @@ +; RUN: llc < %s -march=x86 -mattr=+mmx | grep punpckhdq | count 1 + +define void @bork(<1 x i64>* %x) { +entry: + %tmp2 = load <1 x i64>* %x ; <<1 x i64>> [#uses=1] + %tmp6 = bitcast <1 x i64> %tmp2 to <2 x i32> ; <<2 x i32>> [#uses=1] + %tmp9 = shufflevector <2 x i32> %tmp6, <2 x i32> undef, <2 x i32> < i32 1, i32 1 > ; <<2 x i32>> [#uses=1] + %tmp10 = bitcast <2 x i32> %tmp9 to <1 x i64> ; <<1 x i64>> [#uses=1] + store <1 x i64> %tmp10, <1 x i64>* %x + tail call void @llvm.x86.mmx.emms( ) + ret void +} + +declare void @llvm.x86.mmx.emms() |