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Make more use of PHINode::getNumIncomingValues().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128406 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad 2011-03-28 13:03:10 +00:00
parent fb4a8344b6
commit fd4a5497b6
2 changed files with 5 additions and 5 deletions
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8
lib/Transforms/InstCombine/InstCombinePHI.cpp
View File

@ -82,7 +82,7 @@ Instruction *InstCombiner::FoldPHIArgBinOpIntoPHI(PHINode &PN) {
if (LHSVal == 0) {
NewLHS = PHINode::Create(LHSType,
FirstInst->getOperand(0)->getName() + ".pn");
NewLHS->reserveOperandSpace(PN.getNumOperands()/2);
NewLHS->reserveOperandSpace(PN.getNumIncomingValues());
NewLHS->addIncoming(InLHS, PN.getIncomingBlock(0));
InsertNewInstBefore(NewLHS, PN);
LHSVal = NewLHS;
@ -91,7 +91,7 @@ Instruction *InstCombiner::FoldPHIArgBinOpIntoPHI(PHINode &PN) {
if (RHSVal == 0) {
NewRHS = PHINode::Create(RHSType,
FirstInst->getOperand(1)->getName() + ".pn");
NewRHS->reserveOperandSpace(PN.getNumOperands()/2);
NewRHS->reserveOperandSpace(PN.getNumIncomingValues());
NewRHS->addIncoming(InRHS, PN.getIncomingBlock(0));
InsertNewInstBefore(NewRHS, PN);
RHSVal = NewRHS;
@ -341,7 +341,7 @@ Instruction *InstCombiner::FoldPHIArgLoadIntoPHI(PHINode &PN) {
// correct type, and PHI together all of the LHS's of the instructions.
PHINode *NewPN = PHINode::Create(FirstLI->getOperand(0)->getType(),
PN.getName()+".in");
NewPN->reserveOperandSpace(PN.getNumOperands()/2);
NewPN->reserveOperandSpace(PN.getNumIncomingValues());
Value *InVal = FirstLI->getOperand(0);
NewPN->addIncoming(InVal, PN.getIncomingBlock(0));
@ -447,7 +447,7 @@ Instruction *InstCombiner::FoldPHIArgOpIntoPHI(PHINode &PN) {
// correct type, and PHI together all of the LHS's of the instructions.
PHINode *NewPN = PHINode::Create(FirstInst->getOperand(0)->getType(),
PN.getName()+".in");
NewPN->reserveOperandSpace(PN.getNumOperands()/2);
NewPN->reserveOperandSpace(PN.getNumIncomingValues());
Value *InVal = FirstInst->getOperand(0);
NewPN->addIncoming(InVal, PN.getIncomingBlock(0));

2
lib/Transforms/InstCombine/InstructionCombining.cpp
View File

@ -601,7 +601,7 @@ Instruction *InstCombiner::FoldOpIntoPhi(Instruction &I) {
// Okay, we can do the transformation: create the new PHI node.
PHINode *NewPN = PHINode::Create(I.getType(), "");
NewPN->reserveOperandSpace(PN->getNumOperands()/2);
NewPN->reserveOperandSpace(PN->getNumIncomingValues());
InsertNewInstBefore(NewPN, *PN);
NewPN->takeName(PN);