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authorMicah Villmow <villmow@gmail.com>2012-10-11 17:21:41 +0000
committerMicah Villmow <villmow@gmail.com>2012-10-11 17:21:41 +0000
commitf3840d2c16a4ec4c879a8ded402835746de380f8 (patch)
tree705fb3f3aea368f4880d2d672312e6b783528718 /lib/Analysis/ValueTracking.cpp
parentebba49395c189364c9ef77fb4c432856330ceca1 (diff)
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Add in the first iteration of support for llvm/clang/lldb to allow variable per address space pointer sizes to be optimized correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165726 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ValueTracking.cpp')
-rw-r--r--lib/Analysis/ValueTracking.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index 951b442b87..1d7f0692cb 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -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);