1249259Sdim//===- PtrUseVisitor.cpp - InstVisitors over a pointers uses --------------===// 2249259Sdim// 3249259Sdim// The LLVM Compiler Infrastructure 4249259Sdim// 5249259Sdim// This file is distributed under the University of Illinois Open Source 6249259Sdim// License. See LICENSE.TXT for details. 7249259Sdim// 8249259Sdim//===----------------------------------------------------------------------===// 9249259Sdim/// \file 10249259Sdim/// Implementation of the pointer use visitors. 11249259Sdim/// 12249259Sdim//===----------------------------------------------------------------------===// 13249259Sdim 14249259Sdim#include "llvm/Analysis/PtrUseVisitor.h" 15249259Sdim 16249259Sdimusing namespace llvm; 17249259Sdim 18249259Sdimvoid detail::PtrUseVisitorBase::enqueueUsers(Instruction &I) { 19249259Sdim for (Value::use_iterator UI = I.use_begin(), UE = I.use_end(); 20249259Sdim UI != UE; ++UI) { 21249259Sdim if (VisitedUses.insert(&UI.getUse())) { 22249259Sdim UseToVisit NewU = { 23249259Sdim UseToVisit::UseAndIsOffsetKnownPair(&UI.getUse(), IsOffsetKnown), 24249259Sdim Offset 25249259Sdim }; 26249259Sdim Worklist.push_back(llvm_move(NewU)); 27249259Sdim } 28249259Sdim } 29249259Sdim} 30249259Sdim 31249259Sdimbool detail::PtrUseVisitorBase::adjustOffsetForGEP(GetElementPtrInst &GEPI) { 32249259Sdim if (!IsOffsetKnown) 33249259Sdim return false; 34249259Sdim 35249259Sdim return GEPI.accumulateConstantOffset(DL, Offset); 36249259Sdim} 37