| Eli Friedman | 069e2ed | 2011-08-26 02:59:24 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=armv7-apple-ios | FileCheck %s -check-prefix=ARM |
| 2 | ; RUN: llc < %s -mtriple=thumbv7-apple-ios | FileCheck %s -check-prefix=THUMBTWO |
| 3 | ; RUN: llc < %s -mtriple=thumbv6-apple-ios | FileCheck %s -check-prefix=THUMBONE |
| 4 | |
| 5 | define void @test1(i32* %ptr, i32 %val1) { |
| 6 | ; ARM: test1 |
| 7 | ; ARM: dmb ish |
| 8 | ; ARM-NEXT: str |
| 9 | ; ARM-NEXT: dmb ish |
| 10 | ; THUMBONE: test1 |
| 11 | ; THUMBONE: __sync_lock_test_and_set_4 |
| 12 | ; THUMBTWO: test1 |
| 13 | ; THUMBTWO: dmb ish |
| 14 | ; THUMBTWO-NEXT: str |
| 15 | ; THUMBTWO-NEXT: dmb ish |
| 16 | store atomic i32 %val1, i32* %ptr seq_cst, align 4 |
| 17 | ret void |
| 18 | } |
| 19 | |
| 20 | define i32 @test2(i32* %ptr) { |
| 21 | ; ARM: test2 |
| 22 | ; ARM: ldr |
| 23 | ; ARM-NEXT: dmb ish |
| 24 | ; THUMBONE: test2 |
| 25 | ; THUMBONE: __sync_val_compare_and_swap_4 |
| 26 | ; THUMBTWO: test2 |
| 27 | ; THUMBTWO: ldr |
| 28 | ; THUMBTWO-NEXT: dmb ish |
| 29 | %val = load atomic i32* %ptr seq_cst, align 4 |
| 30 | ret i32 %val |
| 31 | } |