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

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llvm-svn: 135375
This commit is contained in:
Chris Lattner
2011-07-18 04:54:35 +00:00
parent 805d09459d
commit 229907cd11
206 changed files with 2029 additions and 2030 deletions
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8
llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
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@@ -188,7 +188,7 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) {
return BinaryOperator::CreateMul(LHS, AddOne(C2));
// A+B --> A|B iff A and B have no bits set in common.
if (const IntegerType *IT = dyn_cast<IntegerType>(I.getType())) {
if (IntegerType *IT = dyn_cast<IntegerType>(I.getType())) {
APInt Mask = APInt::getAllOnesValue(IT->getBitWidth());
APInt LHSKnownOne(IT->getBitWidth(), 0);
APInt LHSKnownZero(IT->getBitWidth(), 0);
@@ -401,7 +401,7 @@ Instruction *InstCombiner::visitFAdd(BinaryOperator &I) {
Value *InstCombiner::EmitGEPOffset(User *GEP) {
TargetData &TD = *getTargetData();
gep_type_iterator GTI = gep_type_begin(GEP);
const Type *IntPtrTy = TD.getIntPtrType(GEP->getContext());
Type *IntPtrTy = TD.getIntPtrType(GEP->getContext());
Value *Result = Constant::getNullValue(IntPtrTy);
// If the GEP is inbounds, we know that none of the addressing operations will
@@ -420,7 +420,7 @@ Value *InstCombiner::EmitGEPOffset(User *GEP) {
if (OpC->isZero()) continue;
// Handle a struct index, which adds its field offset to the pointer.
if (const StructType *STy = dyn_cast<StructType>(*GTI)) {
if (StructType *STy = dyn_cast<StructType>(*GTI)) {
Size = TD.getStructLayout(STy)->getElementOffset(OpC->getZExtValue());
if (Size)
@@ -460,7 +460,7 @@ Value *InstCombiner::EmitGEPOffset(User *GEP) {
/// operands to the ptrtoint instructions for the LHS/RHS of the subtract.
///
Value *InstCombiner::OptimizePointerDifference(Value *LHS, Value *RHS,
const Type *Ty) {
Type *Ty) {
assert(TD && "Must have target data info for this");
// If LHS is a gep based on RHS or RHS is a gep based on LHS, we can optimize