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| author | Dimitry Andric <dim@FreeBSD.org> | 2015-01-18 16:17:27 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2015-01-18 16:17:27 +0000 |
| commit | 67c32a98315f785a9ec9d531c1f571a0196c7463 (patch) | |
| tree | 4abb9cbeecc7901726dd0b4a37369596c852e9ef /test/CodeGen/ARM/atomic-load-store.ll | |
| parent | 9f61947910e6ab40de38e6b4034751ef1513200f (diff) | |
Diffstat (limited to 'test/CodeGen/ARM/atomic-load-store.ll')
| -rw-r--r-- | test/CodeGen/ARM/atomic-load-store.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/atomic-load-store.ll b/test/CodeGen/ARM/atomic-load-store.ll index 49342d2d1bfe..af13dfc80d2d 100644 --- a/test/CodeGen/ARM/atomic-load-store.ll +++ b/test/CodeGen/ARM/atomic-load-store.ll @@ -3,6 +3,8 @@ ; RUN: llc < %s -mtriple=thumbv7-apple-ios -verify-machineinstrs | FileCheck %s -check-prefix=THUMBTWO ; RUN: llc < %s -mtriple=thumbv6-apple-ios | FileCheck %s -check-prefix=THUMBONE ; RUN: llc < %s -mtriple=armv4-apple-ios | FileCheck %s -check-prefix=ARMV4 +; RUN: llc < %s -mtriple=armv6-apple-ios | FileCheck %s -check-prefix=ARMV6 +; RUN: llc < %s -mtriple=thumbv7m-apple-ios | FileCheck %s -check-prefix=THUMBM define void @test1(i32* %ptr, i32 %val1) { ; ARM-LABEL: test1 @@ -15,6 +17,14 @@ define void @test1(i32* %ptr, i32 %val1) { ; THUMBTWO: dmb {{ish$}} ; THUMBTWO-NEXT: str ; THUMBTWO-NEXT: dmb {{ish$}} +; ARMV6-LABEL: test1 +; ARMV6: mcr p15, #0, {{r[0-9]*}}, c7, c10, #5 +; ARMV6: str +; ARMV6: mcr p15, #0, {{r[0-9]*}}, c7, c10, #5 +; THUMBM-LABEL: test1 +; THUMBM: dmb sy +; THUMBM: str +; THUMBM: dmb sy store atomic i32 %val1, i32* %ptr seq_cst, align 4 ret void } @@ -28,6 +38,12 @@ define i32 @test2(i32* %ptr) { ; THUMBTWO-LABEL: test2 ; THUMBTWO: ldr ; THUMBTWO-NEXT: dmb {{ish$}} +; ARMV6-LABEL: test2 +; ARMV6: ldr +; ARMV6: mcr p15, #0, {{r[0-9]*}}, c7, c10, #5 +; THUMBM-LABEL: test2 +; THUMBM: ldr +; THUMBM: dmb sy %val = load atomic i32* %ptr seq_cst, align 4 ret i32 %val } @@ -55,6 +71,11 @@ define void @test3(i8* %ptr1, i8* %ptr2) { ; THUMBONE-NOT: dmb ; THUMBONE: strb ; THUMBONE-NOT: dmb + +; ARMV6-LABEL: test3 +; ARMV6-NOT: mcr +; THUMBM-LABEL: test3 +; THUMBM-NOT: dmb sy %val = load atomic i8* %ptr1 unordered, align 1 store atomic i8 %val, i8* %ptr2 unordered, align 1 ret void @@ -64,6 +85,8 @@ define void @test4(i8* %ptr1, i8* %ptr2) { ; THUMBONE-LABEL: test4 ; THUMBONE: ___sync_val_compare_and_swap_1 ; THUMBONE: ___sync_lock_test_and_set_1 +; ARMV6-LABEL: test4 +; THUMBM-LABEL: test4 %val = load atomic i8* %ptr1 seq_cst, align 1 store atomic i8 %val, i8* %ptr2 seq_cst, align 1 ret void |