-; RUN: llvm-as < %s | llc -march=x86 -mattr=+mmx | grep punpckhdq | count 1
+; RUN: llc < %s -march=x86 -mattr=+mmx,+sse4.2 -mtriple=x86_64-apple-darwin10 | FileCheck %s
+; There are no MMX operations in bork; promoted to XMM.
define void @bork(<1 x i64>* %x) {
+; CHECK: bork
+; CHECK: movlpd
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]
ret void
}
+; pork uses MMX.
+
+define void @pork(x86_mmx* %x) {
+; CHECK: pork
+; CHECK: punpckhdq
+entry:
+ %tmp2 = load x86_mmx* %x ; <x86_mmx> [#uses=1]
+ %tmp9 = tail call x86_mmx @llvm.x86.mmx.punpckhdq (x86_mmx %tmp2, x86_mmx %tmp2)
+ store x86_mmx %tmp9, x86_mmx* %x
+ tail call void @llvm.x86.mmx.emms( )
+ ret void
+}
+
+declare x86_mmx @llvm.x86.mmx.punpckhdq(x86_mmx, x86_mmx)
declare void @llvm.x86.mmx.emms()