diff options
Diffstat (limited to 'lib/Transforms/Scalar/InstructionCombining.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 6af0afd55e..26963280bb 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -11227,15 +11227,14 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) { // Instcombine load (constant global) into the value loaded. if (GlobalVariable *GV = dyn_cast<GlobalVariable>(Op)) - if (GV->isConstant() && !GV->isDeclaration() && !GV->mayBeOverridden()) + if (GV->isConstant() && GV->hasDefinitiveInitializer()) return ReplaceInstUsesWith(LI, GV->getInitializer()); // Instcombine load (constantexpr_GEP global, 0, ...) into the value loaded. if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Op)) { if (CE->getOpcode() == Instruction::GetElementPtr) { if (GlobalVariable *GV = dyn_cast<GlobalVariable>(CE->getOperand(0))) - if (GV->isConstant() && !GV->isDeclaration() && - !GV->mayBeOverridden()) + if (GV->isConstant() && GV->hasDefinitiveInitializer()) if (Constant *V = ConstantFoldLoadThroughGEPConstantExpr(GV->getInitializer(), CE)) return ReplaceInstUsesWith(LI, V); @@ -11259,7 +11258,7 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) { // If this load comes from anywhere in a constant global, and if the global // is all undef or zero, we know what it loads. if (GlobalVariable *GV = dyn_cast<GlobalVariable>(Op->getUnderlyingObject())){ - if (GV->isConstant() && GV->hasInitializer() && !GV->mayBeOverridden()) { + if (GV->isConstant() && GV->hasDefinitiveInitializer()) { if (GV->getInitializer()->isNullValue()) return ReplaceInstUsesWith(LI, Constant::getNullValue(LI.getType())); else if (isa<UndefValue>(GV->getInitializer())) |