diff options
Diffstat (limited to 'lib/CodeGen/MachineBasicBlock.cpp')
| -rw-r--r-- | lib/CodeGen/MachineBasicBlock.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp index eacc8973d1..f261674ca1 100644 --- a/lib/CodeGen/MachineBasicBlock.cpp +++ b/lib/CodeGen/MachineBasicBlock.cpp @@ -128,6 +128,9 @@ MachineBasicBlock::iterator MachineBasicBlock::getFirstTerminator() { return I; } +/// isOnlyReachableViaFallthough - Return true if this basic block has +/// exactly one predecessor and the control transfer mechanism between +/// the predecessor and this block is a fall-through. bool MachineBasicBlock::isOnlyReachableByFallthrough() const { // If this is a landing pad, it isn't a fall through. If it has no preds, // then nothing falls through to it. @@ -152,7 +155,7 @@ bool MachineBasicBlock::isOnlyReachableByFallthrough() const { // Otherwise, check the last instruction. const MachineInstr &LastInst = Pred->back(); - return LastInst.getDesc().isBarrier(); + return !LastInst.getDesc().isBarrier(); } void MachineBasicBlock::dump() const { |