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Resubmit the changes to llvm core to update the functions to support different pointer sizes on a per address space basis.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165941 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Micah Villmow
2012-10-15 16:24:29 +00:00
parent f35c62bf02
commit 2c39b15073
40 changed files with 190 additions and 109 deletions
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lib/Analysis/ValueTracking.cpp
+4 -2
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@@ -40,7 +40,8 @@ static unsigned getBitWidth(Type *Ty, const DataLayout *TD) {
if (unsigned BitWidth = Ty->getScalarSizeInBits())
return BitWidth;
assert(isa<PointerType>(Ty) && "Expected a pointer type!");
return TD ? TD->getPointerSizeInBits() : 0;
return TD ?
TD->getPointerSizeInBits(cast<PointerType>(Ty)->getAddressSpace()) : 0;
}
static void ComputeMaskedBitsAddSub(bool Add, Value *Op0, Value *Op1, bool NSW,
@@ -1621,7 +1622,8 @@ Value *llvm::GetPointerBaseWithConstantOffset(Value *Ptr, int64_t &Offset,
// Re-sign extend from the pointer size if needed to get overflow edge cases
// right.
unsigned PtrSize = TD.getPointerSizeInBits();
unsigned AS = GEP->getPointerAddressSpace();
unsigned PtrSize = TD.getPointerSizeInBits(AS);
if (PtrSize < 64)
Offset = SignExtend64(Offset, PtrSize);