llvm-6502/test/CodeGen/X86/mmx-punpckhdq.ll
Bill Wendling b635d3faac Testcases for MMX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36408 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-24 22:28:30 +00:00

15 lines
555 B
LLVM

; 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()