reenable the right part of the code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59985 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-11-24 21:26:21 +00:00
parent 612e0b701f
commit ae297f8da5

View File

@ -208,7 +208,7 @@ void CodeGenPrepare::EliminateMostlyEmptyBlock(BasicBlock *BB) {
while (PHINode *PN = dyn_cast<PHINode>(DestBB->begin())) {
Value *NewVal = PN->getIncomingValue(0);
// Replace self referencing PHI with undef, it must be dead.
//if (NewVal == PN) NewVal = UndefValue::get(PN->getType());
if (NewVal == PN) NewVal = UndefValue::get(PN->getType());
PN->replaceAllUsesWith(NewVal);
PN->eraseFromParent();
}