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[C++] Use 'nullptr'.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207083 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-24 06:44:33 +00:00
parent 2c0470e781
commit e703fcb975
52 changed files with 299 additions and 291 deletions
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10
lib/Analysis/IPA/GlobalsModRef.cpp
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@ -178,14 +178,14 @@ namespace {
FunctionInfo.find(F);
if (I != FunctionInfo.end())
return &I->second;
return 0;
return nullptr;
}
void AnalyzeGlobals(Module &M);
void AnalyzeCallGraph(CallGraph &CG, Module &M);
bool AnalyzeUsesOfPointer(Value *V, std::vector<Function*> &Readers,
std::vector<Function*> &Writers,
GlobalValue *OkayStoreDest = 0);
GlobalValue *OkayStoreDest = nullptr);
bool AnalyzeIndirectGlobalMemory(GlobalValue *GV);
};
}
@ -493,8 +493,8 @@ GlobalsModRef::alias(const Location &LocA,
if (GV1 || GV2) {
// If the global's address is taken, pretend we don't know it's a pointer to
// the global.
if (GV1 && !NonAddressTakenGlobals.count(GV1)) GV1 = 0;
if (GV2 && !NonAddressTakenGlobals.count(GV2)) GV2 = 0;
if (GV1 && !NonAddressTakenGlobals.count(GV1)) GV1 = nullptr;
if (GV2 && !NonAddressTakenGlobals.count(GV2)) GV2 = nullptr;
// If the two pointers are derived from two different non-addr-taken
// globals, or if one is and the other isn't, we know these can't alias.
@ -508,7 +508,7 @@ GlobalsModRef::alias(const Location &LocA,
// These pointers may be based on the memory owned by an indirect global. If
// so, we may be able to handle this. First check to see if the base pointer
// is a direct load from an indirect global.
GV1 = GV2 = 0;
GV1 = GV2 = nullptr;
if (const LoadInst *LI = dyn_cast<LoadInst>(UV1))
if (GlobalVariable *GV = dyn_cast<GlobalVariable>(LI->getOperand(0)))
if (IndirectGlobals.count(GV))