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author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-09-30 21:11:01 +0000 |
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committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-09-30 21:11:01 +0000 |
commit | 3ca8f2e5d5d8cb0551b42ef89deaaadd9c4cb067 (patch) | |
tree | 4e443ea37ed9ab1e62c58fb8009fcc51018007c4 /lib/Transforms/InstCombine | |
parent | f9dd19f49833e083f8d32ea015d6d5b57be5e4f4 (diff) | |
download | llvm-3ca8f2e5d5d8cb0551b42ef89deaaadd9c4cb067.tar.gz llvm-3ca8f2e5d5d8cb0551b42ef89deaaadd9c4cb067.tar.bz2 llvm-3ca8f2e5d5d8cb0551b42ef89deaaadd9c4cb067.tar.xz |
Use right address space size in InstCombineCompares
The test's output doesn't change, but this ensures
this is actually hit with a different address space.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191701 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/InstCombine')
-rw-r--r-- | lib/Transforms/InstCombine/InstCombineCompares.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp index f691350fed..e624572e04 100644 --- a/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -394,9 +394,12 @@ FoldCmpLoadFromIndexedGlobal(GetElementPtrInst *GEP, GlobalVariable *GV, // If the index is larger than the pointer size of the target, truncate the // index down like the GEP would do implicitly. We don't have to do this for // an inbounds GEP because the index can't be out of range. - if (!GEP->isInBounds() && - Idx->getType()->getPrimitiveSizeInBits() > TD->getPointerSizeInBits()) - Idx = Builder->CreateTrunc(Idx, TD->getIntPtrType(Idx->getContext())); + if (!GEP->isInBounds()) { + Type *IntPtrTy = TD->getIntPtrType(GEP->getType()); + unsigned PtrSize = IntPtrTy->getIntegerBitWidth(); + if (Idx->getType()->getPrimitiveSizeInBits() > PtrSize) + Idx = Builder->CreateTrunc(Idx, IntPtrTy); + } // If the comparison is only true for one or two elements, emit direct // comparisons. |