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land David Blaikie's patch to de-constify Type, with a few tweaks.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-07-18 04:54:35 +00:00
parent 4b3d5469fb
commit db125cfaf5
206 changed files with 2029 additions and 2030 deletions
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18
lib/Analysis/InstructionSimplify.cpp
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@@ -1372,7 +1372,7 @@ Value *llvm::SimplifyXorInst(Value *Op0, Value *Op1, const TargetData *TD,
return ::SimplifyXorInst(Op0, Op1, TD, DT, RecursionLimit);
}
static const Type *GetCompareTy(Value *Op) {
static Type *GetCompareTy(Value *Op) {
return CmpInst::makeCmpResultType(Op->getType());
}
@@ -1413,8 +1413,8 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
Pred = CmpInst::getSwappedPredicate(Pred);
}
const Type *ITy = GetCompareTy(LHS); // The return type.
const Type *OpTy = LHS->getType(); // The operand type.
Type *ITy = GetCompareTy(LHS); // The return type.
Type *OpTy = LHS->getType(); // The operand type.
// icmp X, X -> true/false
// X icmp undef -> true/false. For example, icmp ugt %X, undef -> false
@@ -1593,8 +1593,8 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
if (isa<CastInst>(LHS) && (isa<Constant>(RHS) || isa<CastInst>(RHS))) {
Instruction *LI = cast<CastInst>(LHS);
Value *SrcOp = LI->getOperand(0);
const Type *SrcTy = SrcOp->getType();
const Type *DstTy = LI->getType();
Type *SrcTy = SrcOp->getType();
Type *DstTy = LI->getType();
// Turn icmp (ptrtoint x), (ptrtoint/constant) into a compare of the input
// if the integer type is the same size as the pointer type.
@@ -2222,7 +2222,7 @@ Value *llvm::SimplifySelectInst(Value *CondVal, Value *TrueVal, Value *FalseVal,
Value *llvm::SimplifyGEPInst(Value *const *Ops, unsigned NumOps,
const TargetData *TD, const DominatorTree *) {
// The type of the GEP pointer operand.
const PointerType *PtrTy = cast<PointerType>(Ops[0]->getType());
PointerType *PtrTy = cast<PointerType>(Ops[0]->getType());
// getelementptr P -> P.
if (NumOps == 1)
@@ -2230,9 +2230,9 @@ Value *llvm::SimplifyGEPInst(Value *const *Ops, unsigned NumOps,
if (isa<UndefValue>(Ops[0])) {
// Compute the (pointer) type returned by the GEP instruction.
const Type *LastType = GetElementPtrInst::getIndexedType(PtrTy, &Ops[1],
Type *LastType = GetElementPtrInst::getIndexedType(PtrTy, &Ops[1],
NumOps-1);
const Type *GEPTy = PointerType::get(LastType, PtrTy->getAddressSpace());
Type *GEPTy = PointerType::get(LastType, PtrTy->getAddressSpace());
return UndefValue::get(GEPTy);
}
@@ -2243,7 +2243,7 @@ Value *llvm::SimplifyGEPInst(Value *const *Ops, unsigned NumOps,
return Ops[0];
// getelementptr P, N -> P if P points to a type of zero size.
if (TD) {
const Type *Ty = PtrTy->getElementType();
Type *Ty = PtrTy->getElementType();
if (Ty->isSized() && TD->getTypeAllocSize(Ty) == 0)
return Ops[0];
}