diff options
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..57c73c7 --- /dev/null +++ b/test/CodeGen/X86/mmx-punpckhdq.ll @@ -0,0 +1,14 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+mmx | grep punpckhdq | wc -l | grep 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() |