1; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 -verify-machineinstrs | FileCheck %s
2; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 -verify-machineinstrs -O0 | FileCheck %s
3
4define void @test1(i32* %ptr, i32 %val1) {
5; CHECK: test1
6; CHECK: xchgl	%esi, (%rdi)
7  store atomic i32 %val1, i32* %ptr seq_cst, align 4
8  ret void
9}
10
11define void @test2(i32* %ptr, i32 %val1) {
12; CHECK: test2
13; CHECK: movl	%esi, (%rdi)
14  store atomic i32 %val1, i32* %ptr release, align 4
15  ret void
16}
17
18define i32 @test3(i32* %ptr) {
19; CHECK: test3
20; CHECK: movl	(%rdi), %eax
21  %val = load atomic i32* %ptr seq_cst, align 4
22  ret i32 %val
23}
24