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[C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206243 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-15 04:59:12 +00:00
parent a8ae0ad11f
commit 570e52c6f1
59 changed files with 574 additions and 563 deletions
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10
lib/Analysis/IVUsers.cpp
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@ -84,7 +84,7 @@ static bool isInteresting(const SCEV *S, const Instruction *I, const Loop *L,
static bool isSimplifiedLoopNest(BasicBlock *BB, const DominatorTree *DT,
const LoopInfo *LI,
SmallPtrSet<Loop*,16> &SimpleLoopNests) {
Loop *NearestLoop = 0;
Loop *NearestLoop = nullptr;
for (DomTreeNode *Rung = DT->getNode(BB);
Rung; Rung = Rung->getIDom()) {
BasicBlock *DomBB = Rung->getBlock();
@ -253,7 +253,7 @@ bool IVUsers::runOnLoop(Loop *l, LPPassManager &LPM) {
DT = &getAnalysis<DominatorTreeWrapperPass>().getDomTree();
SE = &getAnalysis<ScalarEvolution>();
DataLayoutPass *DLP = getAnalysisIfAvailable<DataLayoutPass>();
DL = DLP ? &DLP->getDataLayout() : 0;
DL = DLP ? &DLP->getDataLayout() : nullptr;
// Find all uses of induction variables in this loop, and categorize
// them by stride. Start by finding all of the PHI nodes in the header for
@ -329,16 +329,16 @@ static const SCEVAddRecExpr *findAddRecForLoop(const SCEV *S, const Loop *L) {
I != E; ++I)
if (const SCEVAddRecExpr *AR = findAddRecForLoop(*I, L))
return AR;
return 0;
return nullptr;
}
return 0;
return nullptr;
}
const SCEV *IVUsers::getStride(const IVStrideUse &IU, const Loop *L) const {
if (const SCEVAddRecExpr *AR = findAddRecForLoop(getExpr(IU), L))
return AR->getStepRecurrence(*SE);
return 0;
return nullptr;
}
void IVStrideUse::transformToPostInc(const Loop *L) {