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