1 //===-------------------------- CodeRegion.cpp -----------------*- C++ -* -===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// \file 10 /// 11 /// This file implements methods from the CodeRegions interface. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #include "CodeRegion.h" 16 17 using namespace llvm; 18 19 namespace mca { 20 21 bool CodeRegion::isLocInRange(SMLoc Loc) const { 22 if (RangeEnd.isValid() && Loc.getPointer() > RangeEnd.getPointer()) 23 return false; 24 if (RangeStart.isValid() && Loc.getPointer() < RangeStart.getPointer()) 25 return false; 26 return true; 27 } 28 29 void CodeRegions::beginRegion(StringRef Description, SMLoc Loc) { 30 assert(!Regions.empty() && "Missing Default region"); 31 const CodeRegion &CurrentRegion = *Regions.back(); 32 if (CurrentRegion.startLoc().isValid() && !CurrentRegion.endLoc().isValid()) { 33 SM.PrintMessage(Loc, SourceMgr::DK_Warning, 34 "Ignoring invalid region start"); 35 return; 36 } 37 38 // Remove the default region if there are user defined regions. 39 if (!CurrentRegion.startLoc().isValid()) 40 Regions.erase(Regions.begin()); 41 addRegion(Description, Loc); 42 } 43 44 void CodeRegions::endRegion(SMLoc Loc) { 45 assert(!Regions.empty() && "Missing Default region"); 46 CodeRegion &CurrentRegion = *Regions.back(); 47 if (CurrentRegion.endLoc().isValid()) { 48 SM.PrintMessage(Loc, SourceMgr::DK_Warning, "Ignoring invalid region end"); 49 return; 50 } 51 52 CurrentRegion.setEndLocation(Loc); 53 } 54 55 void CodeRegions::addInstruction(std::unique_ptr<const MCInst> Instruction) { 56 const SMLoc &Loc = Instruction->getLoc(); 57 const auto It = 58 std::find_if(Regions.rbegin(), Regions.rend(), 59 [Loc](const std::unique_ptr<CodeRegion> &Region) { 60 return Region->isLocInRange(Loc); 61 }); 62 if (It != Regions.rend()) 63 (*It)->addInstruction(std::move(Instruction)); 64 } 65 66 } // namespace mca 67
