diff options
Diffstat (limited to 'lib/Transforms/IPO/MergeFunctions.cpp')
| -rw-r--r-- | lib/Transforms/IPO/MergeFunctions.cpp | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/lib/Transforms/IPO/MergeFunctions.cpp b/lib/Transforms/IPO/MergeFunctions.cpp index 70345b8334..70b5029efa 100644 --- a/lib/Transforms/IPO/MergeFunctions.cpp +++ b/lib/Transforms/IPO/MergeFunctions.cpp @@ -346,13 +346,11 @@ bool FunctionComparator::isEquivalentGEP(const GEPOperator *GEP1, const GEPOperator *GEP2) { // When we have target data, we can reduce the GEP down to the value in bytes // added to the address. - if (TD && GEP1->hasAllConstantIndices() && GEP2->hasAllConstantIndices()) { - SmallVector<Value *, 8> Indices1(GEP1->idx_begin(), GEP1->idx_end()); - SmallVector<Value *, 8> Indices2(GEP2->idx_begin(), GEP2->idx_end()); - uint64_t Offset1 = TD->getIndexedOffset(GEP1->getPointerOperandType(), - Indices1); - uint64_t Offset2 = TD->getIndexedOffset(GEP2->getPointerOperandType(), - Indices2); + unsigned BitWidth = TD ? TD->getPointerSizeInBits() : 1; + APInt Offset1(BitWidth, 0), Offset2(BitWidth, 0); + if (TD && + GEP1->accumulateConstantOffset(*TD, Offset1) && + GEP2->accumulateConstantOffset(*TD, Offset2)) { return Offset1 == Offset2; } |