diff options
Diffstat (limited to 'lib/Transforms/IPO/ConstantMerge.cpp')
| -rw-r--r-- | lib/Transforms/IPO/ConstantMerge.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Transforms/IPO/ConstantMerge.cpp b/lib/Transforms/IPO/ConstantMerge.cpp index badac5b2d8..23be0819e6 100644 --- a/lib/Transforms/IPO/ConstantMerge.cpp +++ b/lib/Transforms/IPO/ConstantMerge.cpp @@ -67,7 +67,7 @@ ModulePass *llvm::createConstantMergePass() { return new ConstantMerge(); } /// Find values that are marked as llvm.used. static void FindUsedValues(GlobalVariable *LLVMUsed, SmallPtrSet<const GlobalValue*, 8> &UsedValues) { - if (LLVMUsed == 0) return; + if (!LLVMUsed) return; ConstantArray *Inits = cast<ConstantArray>(LLVMUsed->getInitializer()); for (unsigned i = 0, e = Inits->getNumOperands(); i != e; ++i) { @@ -104,7 +104,7 @@ unsigned ConstantMerge::getAlignment(GlobalVariable *GV) const { bool ConstantMerge::runOnModule(Module &M) { DataLayoutPass *DLP = getAnalysisIfAvailable<DataLayoutPass>(); - DL = DLP ? &DLP->getDataLayout() : 0; + DL = DLP ? &DLP->getDataLayout() : nullptr; // Find all the globals that are marked "used". These cannot be merged. SmallPtrSet<const GlobalValue*, 8> UsedGlobals; @@ -162,7 +162,7 @@ bool ConstantMerge::runOnModule(Module &M) { // If this is the first constant we find or if the old one is local, // replace with the current one. If the current is externally visible // it cannot be replace, but can be the canonical constant we merge with. - if (Slot == 0 || IsBetterCanonical(*GV, *Slot)) + if (!Slot || IsBetterCanonical(*GV, *Slot)) Slot = GV; } |