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Don't assume that the operand of an inttoptr is an pointer-sized integer.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-08-21 18:27:26 +00:00
parent 636e258a53
commit 7178010a16
1 changed files with 3 additions and 1 deletions
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4
lib/Analysis/ConstantFolding.cpp
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@ -138,8 +138,10 @@ static Constant *SymbolicallyEvaluateGEP(Constant* const* Ops, unsigned NumOps,
// otherwise we can't.
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Ptr))
if (CE->getOpcode() == Instruction::IntToPtr)
if (ConstantInt *Base = dyn_cast<ConstantInt>(CE->getOperand(0)))
if (ConstantInt *Base = dyn_cast<ConstantInt>(CE->getOperand(0))) {
BasePtr = Base->getValue();
BasePtr.zextOrTrunc(BitWidth);
}
if (BasePtr == 0)
BaseIsInt = false;