; RUN: llc < %s -march=x86-64 -mattr=+mmx | FileCheck %s ; CHECK: paddusw @R = external global x86_mmx ; [#uses=1] define void @foo(<1 x i64> %A, <1 x i64> %B) { entry: %tmp2 = bitcast <1 x i64> %A to x86_mmx %tmp3 = bitcast <1 x i64> %B to x86_mmx %tmp7 = tail call x86_mmx @llvm.x86.mmx.paddus.w( x86_mmx %tmp2, x86_mmx %tmp3 ) ; [#uses=1] store x86_mmx %tmp7, x86_mmx* @R tail call void @llvm.x86.mmx.emms( ) ret void } declare x86_mmx @llvm.x86.mmx.paddus.w(x86_mmx, x86_mmx) declare void @llvm.x86.mmx.emms()