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Fix bug: IndVarSimplify/2003-04-16-ExprAnalysis.ll

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llvm-svn: 5795
This commit is contained in:
Chris Lattner 2003-04-16 22:50:19 +00:00
parent f8b4bd0dc3
commit 23615ca1b5
1 changed files with 2 additions and 4 deletions
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6
lib/Analysis/Expressions.cpp
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@ -244,11 +244,9 @@ ExprType ClassifyExpression(Value *Expr) {
case Value::ArgumentVal: // nothing known, return variable itself
return Expr;
case Value::ConstantVal: // Constant value, just return constant
Constant *CPV = cast<Constant>(Expr);
if (CPV->getType()->isInteger()) { // It's an integral constant!
ConstantInt *CPI = cast<ConstantInt>(Expr);
if (ConstantInt *CPI = dyn_cast<ConstantInt>(cast<Constant>(Expr)))
// It's an integral constant!
return ExprType(CPI->isNullValue() ? 0 : CPI);
}
return Expr;
}