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Fix a regression in my isIntegral patch that broke 471.omnetpp. This is

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because TargetData::getTypeSize() returns the same for i1 and i8.  This fix
is not right for the full generality of bitwise types, but it fixes the
regression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33237 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-01-15 17:55:20 +00:00
parent dd402588b5
commit 0d880c38ce
1 changed files with 8 additions and 6 deletions
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14
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -7978,8 +7978,8 @@ static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI) {
if (const PointerType *SrcTy = dyn_cast<PointerType>(CastOp->getType())) {
const Type *SrcPTy = SrcTy->getElementType();
if (DestPTy->isInteger() || isa<PointerType>(DestPTy) ||
isa<PackedType>(DestPTy)) {
if ((DestPTy->isInteger() && DestPTy != Type::Int1Ty) ||
isa<PointerType>(DestPTy) || isa<PackedType>(DestPTy)) {
// If the source is an array, the code below will not succeed. Check to
// see if a trivial 'gep P, 0, 0' will help matters. Only do this for
// constants.
@ -7992,8 +7992,8 @@ static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI) {
SrcPTy = SrcTy->getElementType();
}
if ((SrcPTy->isInteger() || isa<PointerType>(SrcPTy) ||
isa<PackedType>(SrcPTy)) &&
if (((SrcPTy->isInteger() && SrcPTy != Type::Int1Ty) ||
isa<PointerType>(SrcPTy) || isa<PackedType>(SrcPTy)) &&
// Do not allow turning this into a load of an integer, which is then
// casted to a pointer, this pessimizes pointer analysis a lot.
(isa<PointerType>(SrcPTy) == isa<PointerType>(LI.getType())) &&
@ -8166,7 +8166,8 @@ static Instruction *InstCombineStoreToCast(InstCombiner &IC, StoreInst &SI) {
if (const PointerType *SrcTy = dyn_cast<PointerType>(CastOp->getType())) {
const Type *SrcPTy = SrcTy->getElementType();
if (DestPTy->isInteger() || isa<PointerType>(DestPTy)) {
if ((DestPTy->isInteger() && DestPTy != Type::Int1Ty) ||
isa<PointerType>(DestPTy)) {
// If the source is an array, the code below will not succeed. Check to
// see if a trivial 'gep P, 0, 0' will help matters. Only do this for
// constants.
@ -8179,7 +8180,8 @@ static Instruction *InstCombineStoreToCast(InstCombiner &IC, StoreInst &SI) {
SrcPTy = SrcTy->getElementType();
}
if ((SrcPTy->isInteger() || isa<PointerType>(SrcPTy)) &&
if (((SrcPTy->isInteger() && SrcPTy != Type::Int1Ty) ||
isa<PointerType>(SrcPTy)) &&
IC.getTargetData().getTypeSize(SrcPTy) ==
IC.getTargetData().getTypeSize(DestPTy)) {