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Simplify this code by using hasDefinitiveInitializer().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81161 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -2024,20 +2024,21 @@ static Constant *getVal(DenseMap<Value*, Constant*> &ComputedValues,
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/// we punt. We basically just support direct accesses to globals and GEP's of
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/// globals. This should be kept up to date with CommitValueTo.
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static bool isSimpleEnoughPointerToCommit(Constant *C, LLVMContext &Context) {
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if (GlobalVariable *GV = dyn_cast<GlobalVariable>(C)) {
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if (!GV->hasExternalLinkage() && !GV->hasLocalLinkage())
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return false; // do not allow weak/linkonce/dllimport/dllexport linkage.
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return !GV->isDeclaration(); // reject external globals.
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}
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if (GlobalVariable *GV = dyn_cast<GlobalVariable>(C))
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// Do not allow weak/linkonce/dllimport/dllexport linkage or
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// external globals.
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return GV->hasDefinitiveInitializer();
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if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
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// Handle a constantexpr gep.
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if (CE->getOpcode() == Instruction::GetElementPtr &&
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isa<GlobalVariable>(CE->getOperand(0))) {
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GlobalVariable *GV = cast<GlobalVariable>(CE->getOperand(0));
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if (!GV->hasExternalLinkage() && !GV->hasLocalLinkage())
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return false; // do not allow weak/linkonce/dllimport/dllexport linkage.
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return GV->hasInitializer() &&
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ConstantFoldLoadThroughGEPConstantExpr(GV->getInitializer(), CE,
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// Do not allow weak/linkonce/dllimport/dllexport linkage or
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// external globals.
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if (!GV->hasDefinitiveInitializer())
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return false;
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return ConstantFoldLoadThroughGEPConstantExpr(GV->getInitializer(), CE,
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Context);
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}
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return false;
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