diff options
Diffstat (limited to 'test/Transforms/AtomicExpandLoadLinked/ARM/atomic-expansion-v7.ll')
| -rw-r--r-- | test/Transforms/AtomicExpandLoadLinked/ARM/atomic-expansion-v7.ll | 48 |
1 files changed, 32 insertions, 16 deletions
diff --git a/test/Transforms/AtomicExpandLoadLinked/ARM/atomic-expansion-v7.ll b/test/Transforms/AtomicExpandLoadLinked/ARM/atomic-expansion-v7.ll index 3a549cdcf2..f2f5b92516 100644 --- a/test/Transforms/AtomicExpandLoadLinked/ARM/atomic-expansion-v7.ll +++ b/test/Transforms/AtomicExpandLoadLinked/ARM/atomic-expansion-v7.ll @@ -229,20 +229,24 @@ define i8 @test_cmpxchg_i8_seqcst_seqcst(i8* %ptr, i8 %desired, i8 %newval) { ; CHECK: [[OLDVAL32:%.*]] = call i32 @llvm.arm.ldrex.p0i8(i8* %ptr) ; CHECK: [[OLDVAL:%.*]] = trunc i32 %1 to i8 ; CHECK: [[SHOULD_STORE:%.*]] = icmp eq i8 [[OLDVAL]], %desired -; CHECK: br i1 [[SHOULD_STORE]], label %[[TRY_STORE:.*]], label %[[BARRIER:.*]] +; CHECK: br i1 [[SHOULD_STORE]], label %[[TRY_STORE:.*]], label %[[FAILURE_BB:.*]] ; CHECK: [[TRY_STORE]]: ; CHECK: [[NEWVAL32:%.*]] = zext i8 %newval to i32 ; CHECK: [[TRYAGAIN:%.*]] = call i32 @llvm.arm.strex.p0i8(i32 [[NEWVAL32]], i8* %ptr) ; CHECK: [[TST:%.*]] = icmp eq i32 [[TRYAGAIN]], 0 -; CHECK: br i1 [[TST]], label %[[BARRIER:.*]], label %[[LOOP]] +; CHECK: br i1 [[TST]], label %[[SUCCESS_BB:.*]], label %[[LOOP]] -; CHECK: [[BARRIER]]: -; CHECK: [[SUCCESS:%.*]] = phi i1 [ true, %[[TRY_STORE]] ], [ false, %[[LOOP]] ] +; CHECK: [[SUCCESS_BB]]: ; CHECK: fence seq_cst ; CHECK: br label %[[DONE:.*]] +; CHECK: [[FAILURE_BB]]: +; CHECK: fence seq_cst +; CHECK: br label %[[DONE]] + ; CHECK: [[DONE]]: +; CHECK: [[SUCCESS:%.*]] = phi i1 [ true, %[[SUCCESS_BB]] ], [ false, %[[FAILURE_BB]] ] ; CHECK: ret i8 [[OLDVAL]] %pairold = cmpxchg i8* %ptr, i8 %desired, i8 %newval seq_cst seq_cst @@ -259,20 +263,24 @@ define i16 @test_cmpxchg_i16_seqcst_monotonic(i16* %ptr, i16 %desired, i16 %newv ; CHECK: [[OLDVAL32:%.*]] = call i32 @llvm.arm.ldrex.p0i16(i16* %ptr) ; CHECK: [[OLDVAL:%.*]] = trunc i32 %1 to i16 ; CHECK: [[SHOULD_STORE:%.*]] = icmp eq i16 [[OLDVAL]], %desired -; CHECK: br i1 [[SHOULD_STORE]], label %[[TRY_STORE:.*]], label %[[DONE:.*]] +; CHECK: br i1 [[SHOULD_STORE]], label %[[TRY_STORE:.*]], label %[[FAILURE_BB:.*]] ; CHECK: [[TRY_STORE]]: ; CHECK: [[NEWVAL32:%.*]] = zext i16 %newval to i32 ; CHECK: [[TRYAGAIN:%.*]] = call i32 @llvm.arm.strex.p0i16(i32 [[NEWVAL32]], i16* %ptr) ; CHECK: [[TST:%.*]] = icmp eq i32 [[TRYAGAIN]], 0 -; CHECK: br i1 [[TST]], label %[[BARRIER:.*]], label %[[LOOP]] +; CHECK: br i1 [[TST]], label %[[SUCCESS_BB:.*]], label %[[LOOP]] -; CHECK: [[BARRIER]]: +; CHECK: [[SUCCESS_BB]]: ; CHECK: fence seq_cst ; CHECK: br label %[[DONE:.*]] +; CHECK: [[FAILURE_BB]]: +; CHECK-NOT: fence +; CHECK: br label %[[DONE]] + ; CHECK: [[DONE]]: -; CHECK: [[SUCCESS:%.*]] = phi i1 [ true, %[[BARRIER]] ], [ false, %[[LOOP]] ] +; CHECK: [[SUCCESS:%.*]] = phi i1 [ true, %[[SUCCESS_BB]] ], [ false, %[[FAILURE_BB]] ] ; CHECK: ret i16 [[OLDVAL]] %pairold = cmpxchg i16* %ptr, i16 %desired, i16 %newval seq_cst monotonic @@ -288,19 +296,23 @@ define i32 @test_cmpxchg_i32_acquire_acquire(i32* %ptr, i32 %desired, i32 %newva ; CHECK: [[LOOP]]: ; CHECK: [[OLDVAL:%.*]] = call i32 @llvm.arm.ldrex.p0i32(i32* %ptr) ; CHECK: [[SHOULD_STORE:%.*]] = icmp eq i32 [[OLDVAL]], %desired -; CHECK: br i1 [[SHOULD_STORE]], label %[[TRY_STORE:.*]], label %[[DONE:.*]] +; CHECK: br i1 [[SHOULD_STORE]], label %[[TRY_STORE:.*]], label %[[FAILURE_BB:.*]] ; CHECK: [[TRY_STORE]]: ; CHECK: [[TRYAGAIN:%.*]] = call i32 @llvm.arm.strex.p0i32(i32 %newval, i32* %ptr) ; CHECK: [[TST:%.*]] = icmp eq i32 [[TRYAGAIN]], 0 -; CHECK: br i1 [[TST]], label %[[BARRIER:.*]], label %[[LOOP]] +; CHECK: br i1 [[TST]], label %[[SUCCESS_BB:.*]], label %[[LOOP]] -; CHECK: [[BARRIER]]: -; CHECK: [[SUCCESS:%.*]] = phi i1 [ true, %[[TRY_STORE]] ], [ false, %[[LOOP]] ] +; CHECK: [[SUCCESS_BB]]: ; CHECK: fence acquire ; CHECK: br label %[[DONE:.*]] +; CHECK: [[FAILURE_BB]]: +; CHECK: fence acquire +; CHECK: br label %[[DONE]] + ; CHECK: [[DONE]]: +; CHECK: [[SUCCESS:%.*]] = phi i1 [ true, %[[SUCCESS_BB]] ], [ false, %[[FAILURE_BB]] ] ; CHECK: ret i32 [[OLDVAL]] %pairold = cmpxchg i32* %ptr, i32 %desired, i32 %newval acquire acquire @@ -323,7 +335,7 @@ define i64 @test_cmpxchg_i64_monotonic_monotonic(i64* %ptr, i64 %desired, i64 %n ; CHECK: [[HI64:%.*]] = shl i64 [[HI64_TMP]], 32 ; CHECK: [[OLDVAL:%.*]] = or i64 [[LO64]], [[HI64]] ; CHECK: [[SHOULD_STORE:%.*]] = icmp eq i64 [[OLDVAL]], %desired -; CHECK: br i1 [[SHOULD_STORE]], label %[[TRY_STORE:.*]], label %[[DONE:.*]] +; CHECK: br i1 [[SHOULD_STORE]], label %[[TRY_STORE:.*]], label %[[FAILURE_BB:.*]] ; CHECK: [[TRY_STORE]]: ; CHECK: [[NEWLO:%.*]] = trunc i64 %newval to i32 @@ -332,14 +344,18 @@ define i64 @test_cmpxchg_i64_monotonic_monotonic(i64* %ptr, i64 %desired, i64 %n ; CHECK: [[PTR8:%.*]] = bitcast i64* %ptr to i8* ; CHECK: [[TRYAGAIN:%.*]] = call i32 @llvm.arm.strexd(i32 [[NEWLO]], i32 [[NEWHI]], i8* [[PTR8]]) ; CHECK: [[TST:%.*]] = icmp eq i32 [[TRYAGAIN]], 0 -; CHECK: br i1 [[TST]], label %[[BARRIER:.*]], label %[[LOOP]] +; CHECK: br i1 [[TST]], label %[[SUCCESS_BB:.*]], label %[[LOOP]] -; CHECK: [[BARRIER]]: +; CHECK: [[SUCCESS_BB]]: ; CHECK-NOT: fence ; CHECK: br label %[[DONE:.*]] +; CHECK: [[FAILURE_BB]]: +; CHECK-NOT: fence +; CHECK: br label %[[DONE]] + ; CHECK: [[DONE]]: -; CHECK: [[SUCCESS:%.*]] = phi i1 [ true, %[[BARRIER]] ], [ false, %[[LOOP]] ] +; CHECK: [[SUCCESS:%.*]] = phi i1 [ true, %[[SUCCESS_BB]] ], [ false, %[[FAILURE_BB]] ] ; CHECK: ret i64 [[OLDVAL]] %pairold = cmpxchg i64* %ptr, i64 %desired, i64 %newval monotonic monotonic |