llvm-project/llvm/test/CodeGen/X86/mmx-punpckhdq.ll

15 lines
538 B
LLVM
Raw Normal View History

; RUN: llc < %s -march=x86 -mattr=+mmx | grep punpckhdq | count 1
2007-04-25 06:28:30 +08:00
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()