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[C++] Use 'nullptr'. Transforms edition.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207196 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-25 05:29:35 +00:00
parent 39087bfbf0
commit 8d7221ccf5
106 changed files with 1639 additions and 1610 deletions
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10
lib/Transforms/Utils/LoopUnroll.cpp
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@ -69,10 +69,10 @@ static BasicBlock *FoldBlockIntoPredecessor(BasicBlock *BB, LoopInfo* LI,
// pred, and if there is only one distinct successor of the predecessor, and
// if there are no PHI nodes.
BasicBlock *OnlyPred = BB->getSinglePredecessor();
if (!OnlyPred) return 0;
if (!OnlyPred) return nullptr;
if (OnlyPred->getTerminator()->getNumSuccessors() != 1)
return 0;
return nullptr;
DEBUG(dbgs() << "Merging: " << *BB << "into: " << *OnlyPred);
@ -412,7 +412,7 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, unsigned TripCount,
}
}
DominatorTree *DT = 0;
DominatorTree *DT = nullptr;
if (PP) {
// FIXME: Reconstruct dom info, because it is not preserved properly.
// Incrementally updating domtree after loop unrolling would be easy.
@ -459,7 +459,7 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, unsigned TripCount,
Loop *OuterL = L->getParentLoop();
// Remove the loop from the LoopPassManager if it's completely removed.
if (CompletelyUnroll && LPM != NULL)
if (CompletelyUnroll && LPM != nullptr)
LPM->deleteLoopFromQueue(L);
// If we have a pass and a DominatorTree we should re-simplify impacted loops
@ -471,7 +471,7 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, unsigned TripCount,
OuterL = L;
if (OuterL) {
ScalarEvolution *SE = PP->getAnalysisIfAvailable<ScalarEvolution>();
simplifyLoop(OuterL, DT, LI, PP, /*AliasAnalysis*/ 0, SE);
simplifyLoop(OuterL, DT, LI, PP, /*AliasAnalysis*/ nullptr, SE);
formLCSSARecursively(*OuterL, *DT, SE);
}
}