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Teach getUnderlyingObject and skipPointerCasts about GlobalAliases.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80265 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-08-27 17:55:13 +00:00
parent 1af0513be7
commit aac1bfb99a
1 changed files with 8 additions and 0 deletions
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8
lib/VMCore/Value.cpp
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@@ -340,6 +340,10 @@ Value *Value::stripPointerCasts() {
V = GEP->getPointerOperand(); V = GEP->getPointerOperand();
} else if (Operator::getOpcode(V) == Instruction::BitCast) { } else if (Operator::getOpcode(V) == Instruction::BitCast) {
V = cast<Operator>(V)->getOperand(0); V = cast<Operator>(V)->getOperand(0);
} else if (GlobalAlias *GA = dyn_cast<GlobalAlias>(V)) {
if (GA->mayBeOverridden())
return V;
V = GA->getAliasee();
} else { } else {
return V; return V;
} }
@@ -357,6 +361,10 @@ Value *Value::getUnderlyingObject() {
V = GEP->getPointerOperand(); V = GEP->getPointerOperand();
} else if (Operator::getOpcode(V) == Instruction::BitCast) { } else if (Operator::getOpcode(V) == Instruction::BitCast) {
V = cast<Operator>(V)->getOperand(0); V = cast<Operator>(V)->getOperand(0);
} else if (GlobalAlias *GA = dyn_cast<GlobalAlias>(V)) {
if (GA->mayBeOverridden())
return V;
V = GA->getAliasee();
} else { } else {
return V; return V;
} }