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Fix some bugs in code I didn't mean to check in.

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llvm-svn: 19534
This commit is contained in:
Chris Lattner 2005-01-13 20:40:58 +00:00
parent aebad4db9a
commit ee469241c3
1 changed files with 12 additions and 5 deletions
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17
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -2112,6 +2112,7 @@ static Value *EmitGEPOffset(User *GEP, Instruction &I, InstCombiner &IC) {
SIntPtrTy);
if (Constant *OpC = dyn_cast<Constant>(Op)) {
if (!OpC->isNullValue()) {
OpC = ConstantExpr::getCast(OpC, SIntPtrTy);
Scale = ConstantExpr::getMul(OpC, Scale);
if (Constant *RC = dyn_cast<Constant>(Result))
Result = ConstantExpr::getAdd(RC, Scale);
@ -2123,13 +2124,19 @@ static Value *EmitGEPOffset(User *GEP, Instruction &I, InstCombiner &IC) {
}
}
} else {
// We'll let instcombine(mul) convert this to a shl if possible.
Value *Offs =
IC.InsertNewInstBefore(BinaryOperator::createMul(Op, Scale,
GEP->getName()+".idx"), I);
//if (Op->getType() != Scale->getType())
if (Size != 1) {
// Convert to correct type.
Op = IC.InsertNewInstBefore(new CastInst(Op, SIntPtrTy,
Op->getName()+".c"), I);
// We'll let instcombine(mul) convert this to a shl if possible.
Op = IC.InsertNewInstBefore(BinaryOperator::createMul(Op, Scale,
GEP->getName()+".idx"), I);
}
// Emit an add instruction.
Result = IC.InsertNewInstBefore(BinaryOperator::createAdd(Offs, Result,
Result = IC.InsertNewInstBefore(BinaryOperator::createAdd(Op, Result,
GEP->getName()+".offs"), I);
}
}