diff options
Diffstat (limited to 'test/CodeGen/AArch64/arm64-atomic.ll')
| -rw-r--r-- | test/CodeGen/AArch64/arm64-atomic.ll | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/test/CodeGen/AArch64/arm64-atomic.ll b/test/CodeGen/AArch64/arm64-atomic.ll index aa9b284..b56f91d 100644 --- a/test/CodeGen/AArch64/arm64-atomic.ll +++ b/test/CodeGen/AArch64/arm64-atomic.ll @@ -10,7 +10,8 @@ define i32 @val_compare_and_swap(i32* %p) { ; CHECK: stxr [[SCRATCH_REG:w[0-9]+]], [[NEWVAL_REG]], [x0] ; CHECK: cbnz [[SCRATCH_REG]], [[LABEL]] ; CHECK: [[LABEL2]]: - %val = cmpxchg i32* %p, i32 7, i32 4 acquire acquire + %pair = cmpxchg i32* %p, i32 7, i32 4 acquire acquire + %val = extractvalue { i32, i1 } %pair, 0 ret i32 %val } @@ -25,7 +26,8 @@ define i64 @val_compare_and_swap_64(i64* %p) { ; CHECK: stxr [[SCRATCH_REG:w[0-9]+]], x[[NEWVAL_REG]], [x0] ; CHECK: cbnz [[SCRATCH_REG]], [[LABEL]] ; CHECK: [[LABEL2]]: - %val = cmpxchg i64* %p, i64 7, i64 4 monotonic monotonic + %pair = cmpxchg i64* %p, i64 7, i64 4 monotonic monotonic + %val = extractvalue { i64, i1 } %pair, 0 ret i64 %val } @@ -33,7 +35,8 @@ define i32 @fetch_and_nand(i32* %p) { ; CHECK-LABEL: fetch_and_nand: ; CHECK: [[LABEL:.?LBB[0-9]+_[0-9]+]]: ; CHECK: ldxr w[[DEST_REG:[0-9]+]], [x0] -; CHECK: and [[SCRATCH2_REG:w[0-9]+]], w[[DEST_REG]], #0xfffffff8 +; CHECK: mvn [[TMP_REG:w[0-9]+]], w[[DEST_REG]] +; CHECK: orr [[SCRATCH2_REG:w[0-9]+]], [[TMP_REG]], #0xfffffff8 ; CHECK-NOT: stlxr [[SCRATCH2_REG]], [[SCRATCH2_REG]] ; CHECK: stlxr [[SCRATCH_REG:w[0-9]+]], [[SCRATCH2_REG]], [x0] ; CHECK: cbnz [[SCRATCH_REG]], [[LABEL]] @@ -46,8 +49,9 @@ define i64 @fetch_and_nand_64(i64* %p) { ; CHECK-LABEL: fetch_and_nand_64: ; CHECK: mov x[[ADDR:[0-9]+]], x0 ; CHECK: [[LABEL:.?LBB[0-9]+_[0-9]+]]: -; CHECK: ldaxr [[DEST_REG:x[0-9]+]], [x[[ADDR]]] -; CHECK: and [[SCRATCH2_REG:x[0-9]+]], [[DEST_REG]], #0xfffffffffffffff8 +; CHECK: ldaxr x[[DEST_REG:[0-9]+]], [x[[ADDR]]] +; CHECK: mvn w[[TMP_REG:[0-9]+]], w[[DEST_REG]] +; CHECK: orr [[SCRATCH2_REG:x[0-9]+]], x[[TMP_REG]], #0xfffffffffffffff8 ; CHECK: stlxr [[SCRATCH_REG:w[0-9]+]], [[SCRATCH2_REG]], [x[[ADDR]]] ; CHECK: cbnz [[SCRATCH_REG]], [[LABEL]] |