Transforms/InstCombine/InstCombineCalls.cpp

3748       GCRelocateInst &GCR = *const_cast<GCRelocateInst *>(Reloc);
3751       if (GCR.use_empty()) {
3752         eraseInstFromFunction(GCR);
3756       Value *DerivedPtr = GCR.getDerivedPtr();
3757       Value *BasePtr = GCR.getBasePtr();
3761         replaceInstUsesWith(GCR, UndefValue::get(GCR.getType()));
3762         eraseInstFromFunction(GCR);
3766       if (auto *PT = dyn_cast<PointerType>(GCR.getType())) {
3772           replaceInstUsesWith(GCR, ConstantPointerNull::get(PT));
3773           eraseInstFromFunction(GCR);
3778         if (!GCR.hasRetAttr(Attribute::NonNull) &&
3780           GCR.addRetAttr(Attribute::NonNull);
3782           Worklist.pushUsersToWorkList(GCR);
3788       if (GCR.getBasePtr() == GCR.getDerivedPtr() &&
3789           GCR.getBasePtrIndex() != GCR.getDerivedPtrIndex()) {
3790         auto *OpIntTy = GCR.getOperand(2)->getType();
3791         GCR.setOperand(2, ConstantInt::get(OpIntTy, GCR.getBasePtrIndex()));
3820       GCRelocateInst &GCR = *const_cast<GCRelocateInst *>(Reloc);
3821       Value *BasePtr = GCR.getBasePtr();
3824       auto *OpIntTy1 = GCR.getOperand(1)->getType();
3825       GCR.setOperand(1, ConstantInt::get(OpIntTy1, Val2Idx[BasePtr]));
3826       Value *DerivedPtr = GCR.getDerivedPtr();
3829       auto *OpIntTy2 = GCR.getOperand(2)->getType();
3830       GCR.setOperand(2, ConstantInt::get(OpIntTy2, Val2Idx[DerivedPtr]));