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Remove PHINode::reserveOperandSpace(). Instead, add a parameter to

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PHINode::Create() giving the (known or expected) number of operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128537 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad
2011-03-30 11:28:46 +00:00
parent d8b4fb4aab
commit 3ecfc861b4
42 changed files with 91 additions and 125 deletions
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7
lib/Analysis/ScalarEvolutionExpander.cpp
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@ -935,8 +935,7 @@ SCEVExpander::getAddRecExprPHILiterally(const SCEVAddRecExpr *Normalized,
BasicBlock *Header = L->getHeader();
Builder.SetInsertPoint(Header, Header->begin());
pred_iterator HPB = pred_begin(Header), HPE = pred_end(Header);
PHINode *PN = Builder.CreatePHI(ExpandTy, "lsr.iv");
PN->reserveOperandSpace(std::distance(HPB, HPE));
PHINode *PN = Builder.CreatePHI(ExpandTy, std::distance(HPB, HPE), "lsr.iv");
rememberInstruction(PN);
// Create the step instructions and populate the PHI.
@ -1143,8 +1142,8 @@ Value *SCEVExpander::visitAddRecExpr(const SCEVAddRecExpr *S) {
// specified loop.
BasicBlock *Header = L->getHeader();
pred_iterator HPB = pred_begin(Header), HPE = pred_end(Header);
CanonicalIV = PHINode::Create(Ty, "indvar", Header->begin());
CanonicalIV->reserveOperandSpace(std::distance(HPB, HPE));
CanonicalIV = PHINode::Create(Ty, std::distance(HPB, HPE), "indvar",
Header->begin());
rememberInstruction(CanonicalIV);
Constant *One = ConstantInt::get(Ty, 1);