Transforms/Scalar/ScalarReplAggregates.cpp

156     void isSafeGEP(GetElementPtrInst *GEPI, uint64_t &Offset, AllocaInfo &Info);
172     void RewriteGEP(GetElementPtrInst *GEPI, AllocaInst *AI, uint64_t Offset,
1606     } else if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(User)) {
1608       isSafeGEP(GEPI, GEPOffset, Info);
1610         isSafeForScalarRepl(GEPI, GEPOffset, Info);
1673     } else if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(User)) {
1677       if (!GEPI->hasAllZeroIndices())
1679       isSafePHISelectUseForScalarRepl(GEPI, Offset, Info);
1711 void SROA::isSafeGEP(GetElementPtrInst *GEPI,
1713   gep_type_iterator GEPIt = gep_type_begin(GEPI), E = gep_type_end(GEPI);
1728       return MarkUnsafe(Info, GEPI);
1733   SmallVector<Value*, 8> Indices(GEPI->op_begin() + 1, GEPI->op_end());
1739   Offset += TD->getIndexedOffset(GEPI->getPointerOperandType(), Indices);
1742     MarkUnsafe(Info, GEPI);
1878     if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(User)) {
1879       RewriteGEP(GEPI, AI, Offset, NewElts);
2039 void SROA::RewriteGEP(GetElementPtrInst *GEPI, AllocaInst *AI, uint64_t Offset,
2042   SmallVector<Value*, 8> Indices(GEPI->op_begin() + 1, GEPI->op_end());
2048   if (!GEPI->hasAllConstantIndices())
2050   Offset += TD->getIndexedOffset(GEPI->getPointerOperandType(), Indices);
2052   RewriteForScalarRepl(GEPI, AI, Offset, NewElts);
2057   if (GEPI->getOperand(0) == AI)
2089     Val = GetElementPtrInst::CreateInBounds(Val, NewArgs, "", GEPI);
2090     Val->takeName(GEPI);
2092   if (Val->getType() != GEPI->getType())
2093     Val = new BitCastInst(Val, GEPI->getType(), Val->getName(), GEPI);
2094   GEPI->replaceAllUsesWith(Val);
2095   DeadInsts.push_back(GEPI);