1; RUN: llc < %s -stackrealign -mtriple i386-apple-darwin -mcpu=i486 | FileCheck %s 2 3%struct.foo = type { [88 x i8] } 4 5declare void @bar(ptr nocapture, ptr align 4 byval(%struct.foo)) nounwind 6 7; PR19012 8; Don't clobber %esi if we have inline asm that clobbers %esp. 9define void @test1(ptr nocapture %x, i32 %y, ptr %z) nounwind { 10 call void @bar(ptr %z, ptr align 4 byval(%struct.foo) %x) 11 call void asm sideeffect inteldialect "xor esp, esp", "=*m,~{flags},~{esp},~{esp},~{dirflag},~{fpsr},~{flags}"(ptr elementtype(i8) %z) 12 ret void 13 14; CHECK-LABEL: test1: 15; CHECK: movl %esp, %esi 16; CHECK-NOT: rep;movsl 17} 18