; RUN: llc < %s -mtriple=x86_64-linux -mattr=+sse3 | FileCheck %s ; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+sse3 | FileCheck %s -check-prefix=WIN64 ; PR8573 ; CHECK-LABEL: foo: ; CHECK: leaq (%rdi), %rax ; CHECK-NEXT: movl %esi, %ecx ; CHECK-NEXT: monitor ; WIN64-LABEL: foo: ; WIN64: leaq (%rcx), %rax ; WIN64-NEXT: movl %edx, %ecx ; WIN64-NEXT: movl %r8d, %edx ; WIN64-NEXT: monitor define void @foo(i8* %P, i32 %E, i32 %H) nounwind { entry: tail call void @llvm.x86.sse3.monitor(i8* %P, i32 %E, i32 %H) ret void } declare void @llvm.x86.sse3.monitor(i8*, i32, i32) nounwind ; CHECK-LABEL: bar: ; CHECK: movl %edi, %ecx ; CHECK-NEXT: movl %esi, %eax ; CHECK-NEXT: mwait ; WIN64-LABEL: bar: ; WIN64: movl %edx, %eax ; WIN64-NEXT: mwait define void @bar(i32 %E, i32 %H) nounwind { entry: tail call void @llvm.x86.sse3.mwait(i32 %E, i32 %H) ret void } declare void @llvm.x86.sse3.mwait(i32, i32) nounwind