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67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
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//===-------------------------- CodeRegion.cpp -----------------*- C++ -* -===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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/// \file
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///
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/// This file implements methods from the CodeRegions interface.
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///
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//===----------------------------------------------------------------------===//
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#include "CodeRegion.h"
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using namespace llvm;
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namespace mca {
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bool CodeRegion::isLocInRange(SMLoc Loc) const {
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if (RangeEnd.isValid() && Loc.getPointer() > RangeEnd.getPointer())
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return false;
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if (RangeStart.isValid() && Loc.getPointer() < RangeStart.getPointer())
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return false;
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return true;
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}
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void CodeRegions::beginRegion(StringRef Description, SMLoc Loc) {
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assert(!Regions.empty() && "Missing Default region");
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const CodeRegion &CurrentRegion = *Regions.back();
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if (CurrentRegion.startLoc().isValid() && !CurrentRegion.endLoc().isValid()) {
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SM.PrintMessage(Loc, SourceMgr::DK_Warning,
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"Ignoring invalid region start");
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return;
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}
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// Remove the default region if there are user defined regions.
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if (!CurrentRegion.startLoc().isValid())
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Regions.erase(Regions.begin());
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addRegion(Description, Loc);
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}
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void CodeRegions::endRegion(SMLoc Loc) {
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assert(!Regions.empty() && "Missing Default region");
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CodeRegion &CurrentRegion = *Regions.back();
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if (CurrentRegion.endLoc().isValid()) {
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SM.PrintMessage(Loc, SourceMgr::DK_Warning, "Ignoring invalid region end");
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return;
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}
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CurrentRegion.setEndLocation(Loc);
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}
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void CodeRegions::addInstruction(std::unique_ptr<const MCInst> Instruction) {
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const SMLoc &Loc = Instruction->getLoc();
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const auto It =
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std::find_if(Regions.rbegin(), Regions.rend(),
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[Loc](const std::unique_ptr<CodeRegion> &Region) {
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return Region->isLocInRange(Loc);
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});
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if (It != Regions.rend())
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(*It)->addInstruction(std::move(Instruction));
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}
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} // namespace mca
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