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Rename DeleteBlockIfDead to DeleteDeadBlock and make it

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unconditionally delete the block.  All likely clients will
do the checking anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60464 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2008-12-03 06:40:52 +00:00
parent 2b1ba24fb7
commit 71af9b07a5
3 changed files with 8 additions and 14 deletions
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13
lib/Transforms/Utils/BasicBlockUtils.cpp
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@ -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,