1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx | FileCheck %s 2 3 ; CHECK: movd %rsi, [[MM0:%mm[0-9]+]] 4 ; CHECK: movd %rdi, [[MM1:%mm[0-9]+]] 5 ; CHECK: paddusw [[MM0]], [[MM1]] 6 7 @R = external global x86_mmx ; <x86_mmx*> [#uses=1] 8 9 define void @foo(<1 x i64> %A, <1 x i64> %B) nounwind { 10 entry: 11 %tmp4 = bitcast <1 x i64> %B to x86_mmx ; <<4 x i16>> [#uses=1] 12 %tmp6 = bitcast <1 x i64> %A to x86_mmx ; <<4 x i16>> [#uses=1] 13 %tmp7 = tail call x86_mmx @llvm.x86.mmx.paddus.w( x86_mmx %tmp6, x86_mmx %tmp4 ) ; <x86_mmx> [#uses=1] 14 store x86_mmx %tmp7, x86_mmx* @R 15 tail call void @llvm.x86.mmx.emms( ) 16 ret void 17 } 18 19 declare x86_mmx @llvm.x86.mmx.paddus.w(x86_mmx, x86_mmx) 20 declare void @llvm.x86.mmx.emms() 21
