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Fix a check for PHINodes with two incoming values.

llvm-svn: 133449
This commit is contained in:
Jay Foad 2011-06-20 17:46:19 +00:00
parent c4253975bd
commit e834069c4d

View File

@ -141,7 +141,7 @@ Value *PHINode::removeIncomingValue(unsigned Idx, bool DeletePHIIfEmpty) {
void PHINode::growOperands() { void PHINode::growOperands() {
unsigned e = getNumOperands(); unsigned e = getNumOperands();
unsigned NumOps = e + e / 2; unsigned NumOps = e + e / 2;
if (NumOps < 4) NumOps = 4; // 4 op PHI nodes are VERY common. if (NumOps < 2) NumOps = 2; // 2 op PHI nodes are VERY common.
Use *OldOps = op_begin(); Use *OldOps = op_begin();
BasicBlock **OldBlocks = block_begin(); BasicBlock **OldBlocks = block_begin();