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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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lib/Analysis/AliasSetTracker.cpp
+9 -9
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@@ -72,16 +72,16 @@ void AliasSet::mergeSetIn(AliasSet &AS, AliasSetTracker &AST) {
AS.PtrList->setPrevInList(PtrListEnd);
PtrListEnd = AS.PtrListEnd;
AS.PtrList = 0;
AS.PtrList = nullptr;
AS.PtrListEnd = &AS.PtrList;
assert(*AS.PtrListEnd == 0 && "End of list is not null?");
assert(*AS.PtrListEnd == nullptr && "End of list is not null?");
}
}
void AliasSetTracker::removeAliasSet(AliasSet *AS) {
if (AliasSet *Fwd = AS->Forward) {
Fwd->dropRef(*this);
AS->Forward = 0;
AS->Forward = nullptr;
}
AliasSets.erase(AS);
}
@@ -115,10 +115,10 @@ void AliasSet::addPointer(AliasSetTracker &AST, PointerRec &Entry,
Entry.updateSizeAndTBAAInfo(Size, TBAAInfo);
// Add it to the end of the list...
assert(*PtrListEnd == 0 && "End of list is not null?");
assert(*PtrListEnd == nullptr && "End of list is not null?");
*PtrListEnd = &Entry;
PtrListEnd = Entry.setPrevInList(PtrListEnd);
assert(*PtrListEnd == 0 && "End of list is not null?");
assert(*PtrListEnd == nullptr && "End of list is not null?");
addRef(); // Entry points to alias set.
}
@@ -217,11 +217,11 @@ void AliasSetTracker::clear() {
AliasSet *AliasSetTracker::findAliasSetForPointer(const Value *Ptr,
uint64_t Size,
const MDNode *TBAAInfo) {
AliasSet *FoundSet = 0;
AliasSet *FoundSet = nullptr;
for (iterator I = begin(), E = end(); I != E; ++I) {
if (I->Forward || !I->aliasesPointer(Ptr, Size, TBAAInfo, AA)) continue;
if (FoundSet == 0) { // If this is the first alias set ptr can go into.
if (!FoundSet) { // If this is the first alias set ptr can go into.
FoundSet = I; // Remember it.
} else { // Otherwise, we must merge the sets.
FoundSet->mergeSetIn(*I, *this); // Merge in contents.
@@ -245,12 +245,12 @@ bool AliasSetTracker::containsPointer(Value *Ptr, uint64_t Size,
AliasSet *AliasSetTracker::findAliasSetForUnknownInst(Instruction *Inst) {
AliasSet *FoundSet = 0;
AliasSet *FoundSet = nullptr;
for (iterator I = begin(), E = end(); I != E; ++I) {
if (I->Forward || !I->aliasesUnknownInst(Inst, AA))
continue;
if (FoundSet == 0) // If this is the first alias set ptr can go into.
if (!FoundSet) // If this is the first alias set ptr can go into.
FoundSet = I; // Remember it.
else if (!I->Forward) // Otherwise, we must merge the sets.
FoundSet->mergeSetIn(*I, *this); // Merge in contents.