File Manager

003 File Manager

Current Path: /usr/src/contrib/llvm-project/llvm/lib/Analysis

usr / src / contrib / llvm-project / llvm / lib / Analysis /

📁 ..
📄 AliasAnalysis.cpp(33.55 KB)
📄 AliasAnalysisEvaluator.cpp(15.64 KB)
📄 AliasAnalysisSummary.cpp(3.49 KB)
📄 AliasAnalysisSummary.h(10.17 KB)
📄 AliasSetTracker.cpp(25.86 KB)
📄 Analysis.cpp(5.29 KB)
📄 AssumeBundleQueries.cpp(7.96 KB)
📄 AssumptionCache.cpp(10.94 KB)
📄 BasicAliasAnalysis.cpp(85.81 KB)
📄 BlockFrequencyInfo.cpp(12.39 KB)
📄 BlockFrequencyInfoImpl.cpp(28.6 KB)
📄 BranchProbabilityInfo.cpp(43.48 KB)
📄 CFG.cpp(9.9 KB)
📄 CFGPrinter.cpp(11.2 KB)
📄 CFLAndersAliasAnalysis.cpp(33.01 KB)
📄 CFLGraph.h(21.23 KB)
📄 CFLSteensAliasAnalysis.cpp(13.24 KB)
📄 CGSCCPassManager.cpp(31.2 KB)
📄 CallGraph.cpp(12.86 KB)
📄 CallGraphSCCPass.cpp(26.31 KB)
📄 CallPrinter.cpp(9.48 KB)
📄 CaptureTracking.cpp(15.38 KB)
📄 CmpInstAnalysis.cpp(4.63 KB)
📄 CodeMetrics.cpp(6.99 KB)
📄 ConstantFolding.cpp(105.15 KB)
📄 CostModel.cpp(3.87 KB)
📄 DDG.cpp(11.29 KB)
📄 Delinearization.cpp(4.49 KB)
📄 DemandedBits.cpp(16.27 KB)
📄 DependenceAnalysis.cpp(150.78 KB)
📄 DependenceGraphBuilder.cpp(19.24 KB)
📄 DivergenceAnalysis.cpp(15.59 KB)
📄 DomPrinter.cpp(9.67 KB)
📄 DomTreeUpdater.cpp(15.21 KB)
📄 DominanceFrontier.cpp(3.2 KB)
📄 EHPersonalities.cpp(5.89 KB)
📄 GlobalsModRef.cpp(41 KB)
📄 GuardUtils.cpp(3.27 KB)
📄 HeatUtils.cpp(2.85 KB)
📄 IVDescriptors.cpp(42.28 KB)
📄 IVUsers.cpp(16.12 KB)
📄 IndirectCallPromotionAnalysis.cpp(4.33 KB)
📄 InlineAdvisor.cpp(15.28 KB)
📄 InlineCost.cpp(99.47 KB)
📄 InlineFeaturesAnalysis.cpp(1.59 KB)
📄 InlineSizeEstimatorAnalysis.cpp(10.95 KB)
📄 InstCount.cpp(2.45 KB)
📄 InstructionPrecedenceTracking.cpp(4.8 KB)
📄 InstructionSimplify.cpp(216.91 KB)
📄 Interval.cpp(1.78 KB)
📄 IntervalPartition.cpp(4.5 KB)
📄 LazyBlockFrequencyInfo.cpp(2.81 KB)
📄 LazyBranchProbabilityInfo.cpp(2.96 KB)
📄 LazyCallGraph.cpp(67.33 KB)
📄 LazyValueInfo.cpp(76.38 KB)
📄 LegacyDivergenceAnalysis.cpp(14.82 KB)
📄 Lint.cpp(29.07 KB)
📄 Loads.cpp(20.6 KB)
📄 LoopAccessAnalysis.cpp(88.02 KB)
📄 LoopAnalysisManager.cpp(6.6 KB)
📄 LoopCacheAnalysis.cpp(23.53 KB)
📄 LoopInfo.cpp(37.15 KB)
📄 LoopNestAnalysis.cpp(10.62 KB)
📄 LoopPass.cpp(12.89 KB)
📄 LoopUnrollAnalyzer.cpp(7.26 KB)
📄 MLInlineAdvisor.cpp(11.36 KB)
📄 MemDepPrinter.cpp(5.13 KB)
📄 MemDerefPrinter.cpp(2.53 KB)
📄 MemoryBuiltins.cpp(41.14 KB)
📄 MemoryDependenceAnalysis.cpp(69.89 KB)
📄 MemoryLocation.cpp(7.92 KB)
📄 MemorySSA.cpp(90.16 KB)
📄 MemorySSAUpdater.cpp(57.9 KB)
📄 ModuleDebugInfoPrinter.cpp(4.02 KB)
📄 ModuleSummaryAnalysis.cpp(38.13 KB)
📄 MustExecute.cpp(31.18 KB)
📄 ObjCARCAliasAnalysis.cpp(5.81 KB)
📄 ObjCARCAnalysisUtils.cpp(1.07 KB)
📄 ObjCARCInstKind.cpp(23.15 KB)
📄 OptimizationRemarkEmitter.cpp(4.23 KB)
📄 PHITransAddr.cpp(16.05 KB)
📄 PhiValues.cpp(8.4 KB)
📄 PostDominators.cpp(3.59 KB)
📄 ProfileSummaryInfo.cpp(18.07 KB)
📄 PtrUseVisitor.cpp(1.28 KB)
📄 RegionInfo.cpp(6.5 KB)
📄 RegionPass.cpp(9.23 KB)
📄 RegionPrinter.cpp(8.61 KB)
📄 ReleaseModeModelRunner.cpp(2.83 KB)
📄 ScalarEvolution.cpp(475.26 KB)
📄 ScalarEvolutionAliasAnalysis.cpp(5.96 KB)
📄 ScalarEvolutionDivision.cpp(7.51 KB)
📄 ScalarEvolutionNormalization.cpp(4.59 KB)
📄 ScopedNoAliasAA.cpp(7.38 KB)
📄 StackLifetime.cpp(12.22 KB)
📄 StackSafetyAnalysis.cpp(31.81 KB)
📄 StratifiedSets.h(18.67 KB)
📄 SyncDependenceAnalysis.cpp(12.97 KB)
📄 SyntheticCountsUtils.cpp(3.81 KB)
📄 TFUtils.cpp(8.99 KB)
📄 TargetLibraryInfo.cpp(58.98 KB)
📄 TargetTransformInfo.cpp(48.15 KB)
📄 Trace.cpp(1.8 KB)
📄 TypeBasedAliasAnalysis.cpp(26.04 KB)
📄 TypeMetadataUtils.cpp(5.93 KB)
📄 VFABIDemangling.cpp(16.46 KB)
📄 ValueLattice.cpp(1.19 KB)
📄 ValueLatticeUtils.cpp(1.53 KB)
📄 ValueTracking.cpp(243.08 KB)
📄 VectorUtils.cpp(48.57 KB)
📁 models

Editing: RegionPrinter.cpp

//===- RegionPrinter.cpp - Print regions tree pass ------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Print out the region tree of a function using dotty/graphviz.
//===----------------------------------------------------------------------===//

#include "llvm/Analysis/RegionPrinter.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/DOTGraphTraitsPass.h"
#include "llvm/Analysis/Passes.h"
#include "llvm/Analysis/RegionInfo.h"
#include "llvm/Analysis/RegionIterator.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#ifndef NDEBUG
#include "llvm/IR/LegacyPassManager.h"
#endif

using namespace llvm;

//===----------------------------------------------------------------------===//
/// onlySimpleRegion - Show only the simple regions in the RegionViewer.
static cl::opt<bool>
onlySimpleRegions("only-simple-regions",
                  cl::desc("Show only simple regions in the graphviz viewer"),
                  cl::Hidden,
                  cl::init(false));

namespace llvm {
template<>
struct DOTGraphTraits<RegionNode*> : public DefaultDOTGraphTraits {

DOTGraphTraits (bool isSimple=false)
    : DefaultDOTGraphTraits(isSimple) {}

std::string getNodeLabel(RegionNode *Node, RegionNode *Graph) {

if (!Node->isSubRegion()) {
      BasicBlock *BB = Node->getNodeAs<BasicBlock>();

if (isSimple())
        return DOTGraphTraits<DOTFuncInfo *>
          ::getSimpleNodeLabel(BB, nullptr);
      else
        return DOTGraphTraits<DOTFuncInfo *>
          ::getCompleteNodeLabel(BB, nullptr);
    }

return "Not implemented";
  }
};

template <>
struct DOTGraphTraits<RegionInfo *> : public DOTGraphTraits<RegionNode *> {

DOTGraphTraits (bool isSimple = false)
    : DOTGraphTraits<RegionNode*>(isSimple) {}

static std::string getGraphName(const RegionInfo *) { return "Region Graph"; }

std::string getNodeLabel(RegionNode *Node, RegionInfo *G) {
    return DOTGraphTraits<RegionNode *>::getNodeLabel(
        Node, reinterpret_cast<RegionNode *>(G->getTopLevelRegion()));
  }

std::string getEdgeAttributes(RegionNode *srcNode,
                                GraphTraits<RegionInfo *>::ChildIteratorType CI,
                                RegionInfo *G) {
    RegionNode *destNode = *CI;

if (srcNode->isSubRegion() || destNode->isSubRegion())
      return "";

// In case of a backedge, do not use it to define the layout of the nodes.
    BasicBlock *srcBB = srcNode->getNodeAs<BasicBlock>();
    BasicBlock *destBB = destNode->getNodeAs<BasicBlock>();

Region *R = G->getRegionFor(destBB);

while (R && R->getParent())
      if (R->getParent()->getEntry() == destBB)
        R = R->getParent();
      else
        break;

if (R && R->getEntry() == destBB && R->contains(srcBB))
      return "constraint=false";

return "";
  }

// Print the cluster of the subregions. This groups the single basic blocks
  // and adds a different background color for each group.
  static void printRegionCluster(const Region &R, GraphWriter<RegionInfo *> &GW,
                                 unsigned depth = 0) {
    raw_ostream &O = GW.getOStream();
    O.indent(2 * depth) << "subgraph cluster_" << static_cast<const void*>(&R)
      << " {\n";
    O.indent(2 * (depth + 1)) << "label = \"\";\n";

if (!onlySimpleRegions || R.isSimple()) {
      O.indent(2 * (depth + 1)) << "style = filled;\n";
      O.indent(2 * (depth + 1)) << "color = "
        << ((R.getDepth() * 2 % 12) + 1) << "\n";

} else {
      O.indent(2 * (depth + 1)) << "style = solid;\n";
      O.indent(2 * (depth + 1)) << "color = "
        << ((R.getDepth() * 2 % 12) + 2) << "\n";
    }

for (const auto &RI : R)
      printRegionCluster(*RI, GW, depth + 1);

const RegionInfo &RI = *static_cast<const RegionInfo*>(R.getRegionInfo());

for (auto *BB : R.blocks())
      if (RI.getRegionFor(BB) == &R)
        O.indent(2 * (depth + 1)) << "Node"
          << static_cast<const void*>(RI.getTopLevelRegion()->getBBNode(BB))
          << ";\n";

O.indent(2 * depth) << "}\n";
  }

static void addCustomGraphFeatures(const RegionInfo *G,
                                     GraphWriter<RegionInfo *> &GW) {
    raw_ostream &O = GW.getOStream();
    O << "\tcolorscheme = \"paired12\"\n";
    printRegionCluster(*G->getTopLevelRegion(), GW, 4);
  }
};
} //end namespace llvm

namespace {

struct RegionInfoPassGraphTraits {
  static RegionInfo *getGraph(RegionInfoPass *RIP) {
    return &RIP->getRegionInfo();
  }
};

struct RegionPrinter
    : public DOTGraphTraitsPrinter<RegionInfoPass, false, RegionInfo *,
                                   RegionInfoPassGraphTraits> {
  static char ID;
  RegionPrinter()
      : DOTGraphTraitsPrinter<RegionInfoPass, false, RegionInfo *,
                              RegionInfoPassGraphTraits>("reg", ID) {
    initializeRegionPrinterPass(*PassRegistry::getPassRegistry());
  }
};
char RegionPrinter::ID = 0;

struct RegionOnlyPrinter
    : public DOTGraphTraitsPrinter<RegionInfoPass, true, RegionInfo *,
                                   RegionInfoPassGraphTraits> {
  static char ID;
  RegionOnlyPrinter()
      : DOTGraphTraitsPrinter<RegionInfoPass, true, RegionInfo *,
                              RegionInfoPassGraphTraits>("reg", ID) {
    initializeRegionOnlyPrinterPass(*PassRegistry::getPassRegistry());
  }
};
char RegionOnlyPrinter::ID = 0;

struct RegionViewer
    : public DOTGraphTraitsViewer<RegionInfoPass, false, RegionInfo *,
                                  RegionInfoPassGraphTraits> {
  static char ID;
  RegionViewer()
      : DOTGraphTraitsViewer<RegionInfoPass, false, RegionInfo *,
                             RegionInfoPassGraphTraits>("reg", ID) {
    initializeRegionViewerPass(*PassRegistry::getPassRegistry());
  }
};
char RegionViewer::ID = 0;

struct RegionOnlyViewer
    : public DOTGraphTraitsViewer<RegionInfoPass, true, RegionInfo *,
                                  RegionInfoPassGraphTraits> {
  static char ID;
  RegionOnlyViewer()
      : DOTGraphTraitsViewer<RegionInfoPass, true, RegionInfo *,
                             RegionInfoPassGraphTraits>("regonly", ID) {
    initializeRegionOnlyViewerPass(*PassRegistry::getPassRegistry());
  }
};
char RegionOnlyViewer::ID = 0;

} //end anonymous namespace

INITIALIZE_PASS(RegionPrinter, "dot-regions",
                "Print regions of function to 'dot' file", true, true)

INITIALIZE_PASS(
    RegionOnlyPrinter, "dot-regions-only",
    "Print regions of function to 'dot' file (with no function bodies)", true,
    true)

INITIALIZE_PASS(RegionViewer, "view-regions", "View regions of function",
                true, true)

INITIALIZE_PASS(RegionOnlyViewer, "view-regions-only",
                "View regions of function (with no function bodies)",
                true, true)

FunctionPass *llvm::createRegionPrinterPass() { return new RegionPrinter(); }

FunctionPass *llvm::createRegionOnlyPrinterPass() {
  return new RegionOnlyPrinter();
}

FunctionPass* llvm::createRegionViewerPass() {
  return new RegionViewer();
}

FunctionPass* llvm::createRegionOnlyViewerPass() {
  return new RegionOnlyViewer();
}

#ifndef NDEBUG
static void viewRegionInfo(RegionInfo *RI, bool ShortNames) {
  assert(RI && "Argument must be non-null");

llvm::Function *F = RI->getTopLevelRegion()->getEntry()->getParent();
  std::string GraphName = DOTGraphTraits<RegionInfo *>::getGraphName(RI);

llvm::ViewGraph(RI, "reg", ShortNames,
                  Twine(GraphName) + " for '" + F->getName() + "' function");
}

static void invokeFunctionPass(const Function *F, FunctionPass *ViewerPass) {
  assert(F && "Argument must be non-null");
  assert(!F->isDeclaration() && "Function must have an implementation");

// The viewer and analysis passes do not modify anything, so we can safely
  // remove the const qualifier
  auto NonConstF = const_cast<Function *>(F);

llvm::legacy::FunctionPassManager FPM(NonConstF->getParent());
  FPM.add(ViewerPass);
  FPM.doInitialization();
  FPM.run(*NonConstF);
  FPM.doFinalization();
}

void llvm::viewRegion(RegionInfo *RI) { viewRegionInfo(RI, false); }

void llvm::viewRegion(const Function *F) {
  invokeFunctionPass(F, createRegionViewerPass());
}

void llvm::viewRegionOnly(RegionInfo *RI) { viewRegionInfo(RI, true); }

void llvm::viewRegionOnly(const Function *F) {
  invokeFunctionPass(F, createRegionOnlyViewerPass());
}
#endif

003 File Manager

Editing: RegionPrinter.cpp

Upload File

Create Folder