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Use correct size for address space in BasicAA.

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The tests just hit this with a different sized
address space since I haven't figured out how
to use this to break it.

I thought I committed this a long time ago,
and I'm not sure why missing this hasn't caused
any problems.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194903 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
2013-11-16 00:36:43 +00:00
parent 1dc2723996
commit 74c996cbd1
3 changed files with 44 additions and 4 deletions
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5
lib/Analysis/BasicAliasAnalysis.cpp
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@ -326,6 +326,7 @@ DecomposeGEPExpression(const Value *V, int64_t &BaseOffs,
continue;
}
unsigned AS = GEPOp->getPointerAddressSpace();
// Walk the indices of the GEP, accumulating them into BaseOff/VarIndices.
gep_type_iterator GTI = gep_type_begin(GEPOp);
for (User::const_op_iterator I = GEPOp->op_begin()+1,
@ -354,7 +355,7 @@ DecomposeGEPExpression(const Value *V, int64_t &BaseOffs,
// If the integer type is smaller than the pointer size, it is implicitly
// sign extended to pointer size.
unsigned Width = Index->getType()->getIntegerBitWidth();
if (TD->getPointerSizeInBits() > Width)
if (TD->getPointerSizeInBits(AS) > Width)
Extension = EK_SignExt;
// Use GetLinearExpression to decompose the index into a C1*V+C2 form.
@ -382,7 +383,7 @@ DecomposeGEPExpression(const Value *V, int64_t &BaseOffs,
// Make sure that we have a scale that makes sense for this target's
// pointer size.
if (unsigned ShiftBits = 64-TD->getPointerSizeInBits()) {
if (unsigned ShiftBits = 64 - TD->getPointerSizeInBits(AS)) {
Scale <<= ShiftBits;
Scale = (int64_t)Scale >> ShiftBits;
}