diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO/GlobalOpt.cpp')
-rw-r--r-- | llvm/lib/Transforms/IPO/GlobalOpt.cpp | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp index 891515d592f..6e0ae8347bc 100644 --- a/llvm/lib/Transforms/IPO/GlobalOpt.cpp +++ b/llvm/lib/Transforms/IPO/GlobalOpt.cpp @@ -639,7 +639,7 @@ static bool AllUsesOfValueWillTrapIfNull(const Value *V, } else if (const PHINode *PN = dyn_cast<PHINode>(U)) { // If we've already seen this phi node, ignore it, it has already been // checked. - if (PHIs.insert(PN) && !AllUsesOfValueWillTrapIfNull(PN, PHIs)) + if (PHIs.insert(PN).second && !AllUsesOfValueWillTrapIfNull(PN, PHIs)) return false; } else if (isa<ICmpInst>(U) && isa<ConstantPointerNull>(U->getOperand(1))) { @@ -982,7 +982,7 @@ static bool ValueIsOnlyUsedLocallyOrStoredToOneGlobal(const Instruction *V, if (const PHINode *PN = dyn_cast<PHINode>(Inst)) { // PHIs are ok if all uses are ok. Don't infinitely recurse through PHI // cycles. - if (PHIs.insert(PN)) + if (PHIs.insert(PN).second) if (!ValueIsOnlyUsedLocallyOrStoredToOneGlobal(PN, GV, PHIs)) return false; continue; @@ -1073,11 +1073,11 @@ static bool LoadUsesSimpleEnoughForHeapSRA(const Value *V, } if (const PHINode *PN = dyn_cast<PHINode>(UI)) { - if (!LoadUsingPHIsPerLoad.insert(PN)) + if (!LoadUsingPHIsPerLoad.insert(PN).second) // This means some phi nodes are dependent on each other. // Avoid infinite looping! return false; - if (!LoadUsingPHIs.insert(PN)) + if (!LoadUsingPHIs.insert(PN).second) // If we have already analyzed this PHI, then it is safe. continue; @@ -2045,7 +2045,8 @@ isSimpleEnoughValueToCommit(Constant *C, SmallPtrSetImpl<Constant*> &SimpleConstants, const DataLayout *DL) { // If we already checked this constant, we win. - if (!SimpleConstants.insert(C)) return true; + if (!SimpleConstants.insert(C).second) + return true; // Check the constant. return isSimpleEnoughValueToCommitHelper(C, SimpleConstants, DL); } @@ -2670,7 +2671,7 @@ bool Evaluator::EvaluateFunction(Function *F, Constant *&RetVal, // Okay, we succeeded in evaluating this control flow. See if we have // executed the new block before. If so, we have a looping function, // which we cannot evaluate in reasonable time. - if (!ExecutedBlocks.insert(NextBB)) + if (!ExecutedBlocks.insert(NextBB).second) return false; // looped! // Okay, we have never been in this block before. Check to see if there @@ -2779,8 +2780,10 @@ public: } bool usedErase(GlobalValue *GV) { return Used.erase(GV); } bool compilerUsedErase(GlobalValue *GV) { return CompilerUsed.erase(GV); } - bool usedInsert(GlobalValue *GV) { return Used.insert(GV); } - bool compilerUsedInsert(GlobalValue *GV) { return CompilerUsed.insert(GV); } + bool usedInsert(GlobalValue *GV) { return Used.insert(GV).second; } + bool compilerUsedInsert(GlobalValue *GV) { + return CompilerUsed.insert(GV).second; + } void syncVariablesAndSets() { if (UsedV) @@ -2973,7 +2976,7 @@ static bool cxxDtorIsEmpty(const Function &Fn, SmallPtrSet<const Function *, 8> NewCalledFunctions(CalledFunctions); // Don't treat recursive functions as empty. - if (!NewCalledFunctions.insert(CalledFn)) + if (!NewCalledFunctions.insert(CalledFn).second) return false; if (!cxxDtorIsEmpty(*CalledFn, NewCalledFunctions)) |