1 ; RUN: llc < %s -mtriple=armv7-apple-ios -verify-machineinstrs | FileCheck %s -check-prefix=ARM
2 ; RUN: llc < %s -mtriple=armv7-apple-ios -O0 | FileCheck %s -check-prefix=ARM
3 ; RUN: llc < %s -mtriple=thumbv7-apple-ios | FileCheck %s -check-prefix=THUMBTWO
4 ; RUN: llc < %s -mtriple=thumbv6-apple-ios | FileCheck %s -check-prefix=THUMBONE
6 define void @test1(i32* %ptr, i32 %val1) {
12 ; THUMBONE: __sync_lock_test_and_set_4
16 ; THUMBTWO-NEXT: dmb ish
17 store atomic i32 %val1, i32* %ptr seq_cst, align 4
21 define i32 @test2(i32* %ptr) {
26 ; THUMBONE: __sync_val_compare_and_swap_4
29 ; THUMBTWO-NEXT: dmb ish
30 %val = load atomic i32* %ptr seq_cst, align 4
34 define void @test3(i8* %ptr1, i8* %ptr2) {
44 %val = load atomic i8* %ptr1 unordered, align 1
45 store atomic i8 %val, i8* %ptr2 unordered, align 1
49 define void @test4(i8* %ptr1, i8* %ptr2) {
51 ; THUMBONE: ___sync_val_compare_and_swap_1
52 ; THUMBONE: ___sync_lock_test_and_set_1
53 %val = load atomic i8* %ptr1 seq_cst, align 1
54 store atomic i8 %val, i8* %ptr2 seq_cst, align 1