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Teach EmitGEPOffset about address spaces

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187662 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2013-08-02 18:33:34 +00:00
parent 38ffffeebc
commit 38140c2bbe
1 changed files with 14 additions and 12 deletions
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12
include/llvm/Transforms/Utils/Local.h
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@ -180,18 +180,20 @@ static inline unsigned getKnownAlignment(Value *V, const DataLayout *TD = 0) {
template<typename IRBuilderTy>
Value *EmitGEPOffset(IRBuilderTy *Builder, const DataLayout &TD, User *GEP,
bool NoAssumptions = false) {
gep_type_iterator GTI = gep_type_begin(GEP);
Type *IntPtrTy = TD.getIntPtrType(GEP->getContext());
GEPOperator *GEPOp = cast<GEPOperator>(GEP);
unsigned AS = GEPOp->getPointerAddressSpace();
Type *IntPtrTy = TD.getIntPtrType(GEP->getContext(), AS);
Value *Result = Constant::getNullValue(IntPtrTy);
// If the GEP is inbounds, we know that none of the addressing operations will
// overflow in an unsigned sense.
bool isInBounds = cast<GEPOperator>(GEP)->isInBounds() && !NoAssumptions;
bool isInBounds = GEPOp->isInBounds() && !NoAssumptions;
// Build a mask for high order bits.
unsigned IntPtrWidth = TD.getPointerSizeInBits();
uint64_t PtrSizeMask = ~0ULL >> (64-IntPtrWidth);
unsigned IntPtrWidth = TD.getPointerSizeInBits(AS);
uint64_t PtrSizeMask = ~0ULL >> (64 - IntPtrWidth);
gep_type_iterator GTI = gep_type_begin(GEP);
for (User::op_iterator i = GEP->op_begin() + 1, e = GEP->op_end(); i != e;
++i, ++GTI) {
Value *Op = *i;