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| author | Micah Villmow <villmow@gmail.com> | 2012-10-11 17:21:41 +0000 |
|---|---|---|
| committer | Micah Villmow <villmow@gmail.com> | 2012-10-11 17:21:41 +0000 |
| commit | f3840d2c16a4ec4c879a8ded402835746de380f8 (patch) | |
| tree | 705fb3f3aea368f4880d2d672312e6b783528718 /lib/Analysis/ValueTracking.cpp | |
| parent | ebba49395c189364c9ef77fb4c432856330ceca1 (diff) | |
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.cpp | 6 |
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); |