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 namespace mca { 18 19 bool CodeRegion::isLocInRange(llvm::SMLoc Loc) const { 20 if (RangeEnd.isValid() && Loc.getPointer() > RangeEnd.getPointer()) 21 return false; 22 if (RangeStart.isValid() && Loc.getPointer() < RangeStart.getPointer()) 23 return false; 24 return true; 25 } 26 27 void CodeRegions::beginRegion(llvm::StringRef Description, llvm::SMLoc Loc) { 28 assert(!Regions.empty() && "Missing Default region"); 29 const CodeRegion &CurrentRegion = *Regions.back(); 30 if (CurrentRegion.startLoc().isValid() && !CurrentRegion.endLoc().isValid()) { 31 SM.PrintMessage(Loc, llvm::SourceMgr::DK_Warning, 32 "Ignoring invalid region start"); 33 return; 34 } 35 36 // Remove the default region if there are user defined regions. 37 if (!CurrentRegion.startLoc().isValid()) 38 Regions.erase(Regions.begin()); 39 addRegion(Description, Loc); 40 } 41 42 void CodeRegions::endRegion(llvm::SMLoc Loc) { 43 assert(!Regions.empty() && "Missing Default region"); 44 CodeRegion &CurrentRegion = *Regions.back(); 45 if (CurrentRegion.endLoc().isValid()) { 46 SM.PrintMessage(Loc, llvm::SourceMgr::DK_Warning, 47 "Ignoring invalid region end"); 48 return; 49 } 50 51 CurrentRegion.setEndLocation(Loc); 52 } 53 54 void CodeRegions::addInstruction(const llvm::MCInst &Instruction) { 55 const llvm::SMLoc &Loc = Instruction.getLoc(); 56 const auto It = 57 std::find_if(Regions.rbegin(), Regions.rend(), 58 [Loc](const std::unique_ptr<CodeRegion> &Region) { 59 return Region->isLocInRange(Loc); 60 }); 61 if (It != Regions.rend()) 62 (*It)->addInstruction(Instruction); 63 } 64 65 } // namespace mca 66