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Rename hasNoUnsignedOverflow and hasNoSignedOverflow to hasNoUnsignedWrap

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and hasNoSignedWrap, for consistency with the nuw and nsw properties.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79539 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-08-20 17:11:38 +00:00
parent b255b88f06
commit 5078f84c82
11 changed files with 41 additions and 41 deletions
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16
lib/Analysis/ScalarEvolution.cpp
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@ -795,7 +795,7 @@ const SCEV *ScalarEvolution::getZeroExtendExpr(const SCEV *Op,
// If we have special knowledge that this addrec won't overflow,
// we don't need to do any further analysis.
if (AR->hasNoUnsignedOverflow())
if (AR->hasNoUnsignedWrap())
return getAddRecExpr(getZeroExtendExpr(Start, Ty),
getZeroExtendExpr(Step, Ty),
L);
@ -934,7 +934,7 @@ const SCEV *ScalarEvolution::getSignExtendExpr(const SCEV *Op,
// If we have special knowledge that this addrec won't overflow,
// we don't need to do any further analysis.
if (AR->hasNoSignedOverflow())
if (AR->hasNoSignedWrap())
return getAddRecExpr(getSignExtendExpr(Start, Ty),
getSignExtendExpr(Step, Ty),
L);
@ -2497,17 +2497,17 @@ const SCEV *ScalarEvolution::createNodeForPHI(PHINode *PN) {
getSCEV(OBO->getOperand(1)) ==
PHISCEV->getStepRecurrence(*this)) {
const SCEVAddRecExpr *PostInc = PHISCEV->getPostIncExpr(*this);
if (OBO->hasNoUnsignedOverflow()) {
if (OBO->hasNoUnsignedWrap()) {
const_cast<SCEVAddRecExpr *>(PHISCEV)
->setHasNoUnsignedOverflow(true);
->setHasNoUnsignedWrap(true);
const_cast<SCEVAddRecExpr *>(PostInc)
->setHasNoUnsignedOverflow(true);
->setHasNoUnsignedWrap(true);
}
if (OBO->hasNoSignedOverflow()) {
if (OBO->hasNoSignedWrap()) {
const_cast<SCEVAddRecExpr *>(PHISCEV)
->setHasNoSignedOverflow(true);
->setHasNoSignedWrap(true);
const_cast<SCEVAddRecExpr *>(PostInc)
->setHasNoSignedOverflow(true);
->setHasNoSignedWrap(true);
}
}