diff options
Diffstat (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp')
-rw-r--r-- | lib/Transforms/Utils/BasicBlockUtils.cpp | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp index bfcf375f51..9452e6e877 100644 --- a/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -24,14 +24,10 @@ #include <algorithm> using namespace llvm; -/// DeleteBlockIfDead - If the specified basic block is trivially dead (has no -/// predecessors and not the entry block), delete it and return true. Otherwise -/// return false. -bool llvm::DeleteBlockIfDead(BasicBlock *BB) { - if (pred_begin(BB) != pred_end(BB) || - BB == &BB->getParent()->getEntryBlock()) - return false; - +/// DeleteDeadBlock - Delete the specified block, which must have no +/// predecessors. +void llvm::DeleteDeadBlock(BasicBlock *BB) { + assert(pred_begin(BB) != pred_end(BB) && "Block is not dead!"); TerminatorInst *BBTerm = BB->getTerminator(); // Loop through all of our successors and make sure they know that one @@ -54,7 +50,6 @@ bool llvm::DeleteBlockIfDead(BasicBlock *BB) { // Zap the block! BB->eraseFromParent(); - return true; } /// MergeBlockIntoPredecessor - Attempts to merge a block into its predecessor, |