diff options
Diffstat (limited to 'lib/Analysis/PtrUseVisitor.cpp')
-rw-r--r-- | lib/Analysis/PtrUseVisitor.cpp | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/lib/Analysis/PtrUseVisitor.cpp b/lib/Analysis/PtrUseVisitor.cpp index b48e86ea6e..0a342b2167 100644 --- a/lib/Analysis/PtrUseVisitor.cpp +++ b/lib/Analysis/PtrUseVisitor.cpp @@ -32,27 +32,5 @@ bool detail::PtrUseVisitorBase::adjustOffsetForGEP(GetElementPtrInst &GEPI) { if (!IsOffsetKnown) return false; - for (gep_type_iterator GTI = gep_type_begin(GEPI), GTE = gep_type_end(GEPI); - GTI != GTE; ++GTI) { - ConstantInt *OpC = dyn_cast<ConstantInt>(GTI.getOperand()); - if (!OpC) - return false; - if (OpC->isZero()) - continue; - - // Handle a struct index, which adds its field offset to the pointer. - if (StructType *STy = dyn_cast<StructType>(*GTI)) { - unsigned ElementIdx = OpC->getZExtValue(); - const StructLayout *SL = DL.getStructLayout(STy); - Offset += APInt(Offset.getBitWidth(), - SL->getElementOffset(ElementIdx)); - continue; - } - - // For array or vector indices, scale the index by the size of the type. - APInt Index = OpC->getValue().sextOrTrunc(Offset.getBitWidth()); - Offset += Index * APInt(Offset.getBitWidth(), - DL.getTypeAllocSize(GTI.getIndexedType())); - } - return true; + return GEPI.accumulateConstantOffset(DL, Offset); } |