diff options
Diffstat (limited to 'test/CodeGen/ARM/cmpxchg-weak.ll')
| -rw-r--r-- | test/CodeGen/ARM/cmpxchg-weak.ll | 56 |
1 files changed, 35 insertions, 21 deletions
diff --git a/test/CodeGen/ARM/cmpxchg-weak.ll b/test/CodeGen/ARM/cmpxchg-weak.ll index 126e33062623..1eac9c41cf92 100644 --- a/test/CodeGen/ARM/cmpxchg-weak.ll +++ b/test/CodeGen/ARM/cmpxchg-weak.ll @@ -5,16 +5,24 @@ define void @test_cmpxchg_weak(i32 *%addr, i32 %desired, i32 %new) { %pair = cmpxchg weak i32* %addr, i32 %desired, i32 %new seq_cst monotonic %oldval = extractvalue { i32, i1 } %pair, 0 -; CHECK: dmb ish -; CHECK: ldrex [[LOADED:r[0-9]+]], [r0] -; CHECK: cmp [[LOADED]], r1 -; CHECK: strexeq [[SUCCESS:r[0-9]+]], r2, [r0] -; CHECK: cmpeq [[SUCCESS]], #0 -; CHECK: bne [[DONE:LBB[0-9]+_[0-9]+]] -; CHECK: dmb ish -; CHECK: [[DONE]]: -; CHECK: str r3, [r0] -; CHECK: bx lr +; CHECK-NEXT: BB#0: +; CHECK-NEXT: dmb ish +; CHECK-NEXT: ldrex [[LOADED:r[0-9]+]], [r0] +; CHECK-NEXT: cmp [[LOADED]], r1 +; CHECK-NEXT: bne [[LDFAILBB:LBB[0-9]+_[0-9]+]] +; CHECK-NEXT: BB#1: +; CHECK-NEXT: strex [[SUCCESS:r[0-9]+]], r2, [r0] +; CHECK-NEXT: cmp [[SUCCESS]], #0 +; CHECK-NEXT: bne [[FAILBB:LBB[0-9]+_[0-9]+]] +; CHECK-NEXT: BB#2: +; CHECK-NEXT: dmb ish +; CHECK-NEXT: str r3, [r0] +; CHECK-NEXT: bx lr +; CHECK-NEXT: [[LDFAILBB]]: +; CHECK-NEXT: clrex +; CHECK-NEXT: [[FAILBB]]: +; CHECK-NEXT: str r3, [r0] +; CHECK-NEXT: bx lr store i32 %oldval, i32* %addr ret void @@ -27,17 +35,23 @@ define i1 @test_cmpxchg_weak_to_bool(i32, i32 *%addr, i32 %desired, i32 %new) { %pair = cmpxchg weak i32* %addr, i32 %desired, i32 %new seq_cst monotonic %success = extractvalue { i32, i1 } %pair, 1 -; CHECK: dmb ish -; CHECK: mov r0, #0 -; CHECK: ldrex [[LOADED:r[0-9]+]], [r1] -; CHECK: cmp [[LOADED]], r2 -; CHECK: strexeq [[STATUS:r[0-9]+]], r3, [r1] -; CHECK: cmpeq [[STATUS]], #0 -; CHECK: bne [[DONE:LBB[0-9]+_[0-9]+]] -; CHECK: dmb ish -; CHECK: mov r0, #1 -; CHECK: [[DONE]]: -; CHECK: bx lr +; CHECK-NEXT: BB#0: +; CHECK-NEXT: dmb ish +; CHECK-NEXT: ldrex [[LOADED:r[0-9]+]], [r1] +; CHECK-NEXT: cmp [[LOADED]], r2 +; CHECK-NEXT: bne [[LDFAILBB:LBB[0-9]+_[0-9]+]] +; CHECK-NEXT: BB#1: +; CHECK-NEXT: strex [[SUCCESS:r[0-9]+]], r3, [r1] +; CHECK-NEXT: mov r0, #0 +; CHECK-NEXT: cmp [[SUCCESS]], #0 +; CHECK-NEXT: bxne lr +; CHECK-NEXT: dmb ish +; CHECK-NEXT: mov r0, #1 +; CHECK-NEXT: bx lr +; CHECK-NEXT: [[LDFAILBB]]: +; CHECK-NEXT: clrex +; CHECK-NEXT: mov r0, #0 +; CHECK-NEXT: bx lr ret i1 %success } |