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Fix a bug in comparison of GEP indices.

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llvm-svn: 32798
This commit is contained in:
Reid Spencer 2006-12-31 21:43:30 +00:00
parent 99efdb330f
commit 670dd05e78
1 changed files with 4 additions and 4 deletions
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8
lib/VMCore/ConstantFolding.cpp
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@ -299,7 +299,7 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, const Constant *V,
if (DestTy == Type::Int32Ty)
return ConstantInt::get(DestTy, FloatToBits(FP->getValue()));
assert(DestTy == Type::Int64Ty &&
"Incorrect integer type for bitcast!");
"Incorrect integer type for bitcast!");
return ConstantInt::get(DestTy, DoubleToBits(FP->getValue()));
}
}
@ -705,8 +705,8 @@ static bool isMaybeZeroSizedType(const Type *Ty) {
static int IdxCompare(Constant *C1, Constant *C2, const Type *ElTy) {
if (C1 == C2) return 0;
// Ok, we found a different index. Are either of the operands ConstantExprs?
// If so, we can't do anything with them.
// Ok, we found a different index. If they are not ConstantInt, we can't do
// anything with them.
if (!isa<ConstantInt>(C1) || !isa<ConstantInt>(C2))
return -2; // don't know!
@ -716,7 +716,7 @@ static int IdxCompare(Constant *C1, Constant *C2, const Type *ElTy) {
C1 = ConstantExpr::getSExt(C1, Type::Int64Ty);
if (C2->getType() != Type::Int64Ty)
C1 = ConstantExpr::getSExt(C2, Type::Int64Ty);
C2 = ConstantExpr::getSExt(C2, Type::Int64Ty);
if (C1 == C2) return 0; // They are equal