1; RUN: llc < %s -mtriple=x86_64-linux -mattr=+sse3 | FileCheck %s
2; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+sse3 | FileCheck %s -check-prefix=WIN64
3; PR8573
4
5; CHECK-LABEL: foo:
6; CHECK: leaq    (%rdi), %rax
7; CHECK-NEXT: movl    %esi, %ecx
8; CHECK-NEXT: monitor
9; WIN64-LABEL: foo:
10; WIN64:      leaq    (%rcx), %rax
11; WIN64-NEXT: movl    %edx, %ecx
12; WIN64-NEXT: movl    %r8d, %edx
13; WIN64-NEXT: monitor
14define void @foo(i8* %P, i32 %E, i32 %H) nounwind {
15entry:
16  tail call void @llvm.x86.sse3.monitor(i8* %P, i32 %E, i32 %H)
17  ret void
18}
19
20declare void @llvm.x86.sse3.monitor(i8*, i32, i32) nounwind
21
22; CHECK-LABEL: bar:
23; CHECK: movl    %edi, %ecx
24; CHECK-NEXT: movl    %esi, %eax
25; CHECK-NEXT: mwait
26; WIN64-LABEL: bar:
27; WIN64:      movl    %edx, %eax
28; WIN64-NEXT: mwait
29define void @bar(i32 %E, i32 %H) nounwind {
30entry:
31  tail call void @llvm.x86.sse3.mwait(i32 %E, i32 %H)
32  ret void
33}
34
35declare void @llvm.x86.sse3.mwait(i32, i32) nounwind
36