CFGPrinter.cpp File Reference

#include "llvm/Analysis/CFGPrinter.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/IR/ModuleSlotTracker.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/GraphWriter.h"

Go to the source code of this file.

Functions
static void	writeCFGToDotFile (Function &F, BlockFrequencyInfo *BFI, BranchProbabilityInfo *BPI, uint64_t MaxFreq, bool CFGOnly=false)
static void	viewCFG (Function &F, const BlockFrequencyInfo *BFI, const BranchProbabilityInfo *BPI, uint64_t MaxFreq, bool CFGOnly=false)

Variables
static cl::opt< std::string >	CFGFuncName ("cfg-func-name", cl::Hidden, cl::desc("The name of a function (or its substring)" " whose CFG is viewed/printed."))
static cl::opt< std::string >	CFGDotFilenamePrefix ("cfg-dot-filename-prefix", cl::Hidden, cl::desc("The prefix used for the CFG dot file names."))
static cl::opt< bool >	HideUnreachablePaths ("cfg-hide-unreachable-paths", cl::init(false))
static cl::opt< bool >	HideDeoptimizePaths ("cfg-hide-deoptimize-paths", cl::init(false))
static cl::opt< double >	HideColdPaths ("cfg-hide-cold-paths", cl::init(0.0), cl::desc("Hide blocks with relative frequency below the given value"))
static cl::opt< bool >	ShowHeatColors ("cfg-heat-colors", cl::init(true), cl::Hidden, cl::desc("Show heat colors in CFG"))
static cl::opt< bool >	UseRawEdgeWeight ("cfg-raw-weights", cl::init(false), cl::Hidden, cl::desc("Use raw weights for labels. " "Use percentages as default."))
static cl::opt< bool >	ShowEdgeWeight ("cfg-weights", cl::init(false), cl::Hidden, cl::desc("Show edges labeled with weights"))

Function Documentation

viewCFG()

void viewCFG ( Function & F, const BlockFrequencyInfo * BFI, const BranchProbabilityInfo * BPI, uint64_t MaxFreq, bool CFGOnly = false )

static

Definition at line 83 of file CFGPrinter.cpp.

References CFGOnly, F, llvm::DOTFuncInfo::setEdgeWeights(), llvm::DOTFuncInfo::setHeatColors(), llvm::DOTFuncInfo::setRawEdgeWeights(), ShowEdgeWeight, ShowHeatColors, UseRawEdgeWeight, and llvm::ViewGraph().

Referenced by llvm::CFGOnlyViewerPass::run(), and llvm::CFGViewerPass::run().

writeCFGToDotFile()

void writeCFGToDotFile ( Function & F, BlockFrequencyInfo * BFI, BranchProbabilityInfo * BPI, uint64_t MaxFreq, bool CFGOnly = false )

static

Definition at line 61 of file CFGPrinter.cpp.

References CFGDotFilenamePrefix, CFGOnly, llvm::errs(), F, llvm::sys::fs::OF_Text, llvm::DOTFuncInfo::setEdgeWeights(), llvm::DOTFuncInfo::setHeatColors(), llvm::DOTFuncInfo::setRawEdgeWeights(), ShowEdgeWeight, ShowHeatColors, UseRawEdgeWeight, and llvm::WriteGraph().

Referenced by llvm::CFGOnlyPrinterPass::run(), and llvm::CFGPrinterPass::run().

Variable Documentation

CFGDotFilenamePrefix

cl::opt< std::string > CFGDotFilenamePrefix("cfg-dot-filename-prefix", cl::Hidden, cl::desc("The prefix used for the CFG dot file names.")) ( "cfg-dot-filename-prefix" , cl::Hidden , cl::desc("The prefix used for the CFG dot file names.")  )

static

Referenced by writeCFGToDotFile().

CFGFuncName

cl::opt< std::string > CFGFuncName("cfg-func-name", cl::Hidden, cl::desc("The name of a function (or its substring)" " whose CFG is viewed/printed.")) ( "cfg-func-name" , cl::Hidden , cl::desc("The name of a function (or its substring)" " whose CFG is viewed/printed.")  )

static

Referenced by llvm::CFGOnlyPrinterPass::run(), llvm::CFGOnlyViewerPass::run(), llvm::CFGPrinterPass::run(), llvm::CFGViewerPass::run(), and llvm::Function::viewCFG().

HideColdPaths

cl::opt< double > HideColdPaths("cfg-hide-cold-paths", cl::init(0.0), cl::desc("Hide blocks with relative frequency below the given value")) ( "cfg-hide-cold-paths" , cl::init(0.0) , cl::desc("Hide blocks with relative frequency below the given value")  )

static

HideDeoptimizePaths

cl::opt< bool > HideDeoptimizePaths("cfg-hide-deoptimize-paths", cl::init(false)) ( "cfg-hide-deoptimize-paths" , cl::init(false)  )

static

HideUnreachablePaths

cl::opt< bool > HideUnreachablePaths("cfg-hide-unreachable-paths", cl::init(false)) ( "cfg-hide-unreachable-paths" , cl::init(false)  )

static

ShowEdgeWeight

cl::opt< bool > ShowEdgeWeight("cfg-weights", cl::init(false), cl::Hidden, cl::desc("Show edges labeled with weights")) ( "cfg-weights" , cl::init(false) , cl::Hidden , cl::desc("Show edges labeled with weights")  )

static

ShowHeatColors

cl::opt< bool > ShowHeatColors("cfg-heat-colors", cl::init(true), cl::Hidden, cl::desc("Show heat colors in CFG")) ( "cfg-heat-colors" , cl::init(true) , cl::Hidden , cl::desc("Show heat colors in CFG")  )

static

UseRawEdgeWeight

cl::opt< bool > UseRawEdgeWeight("cfg-raw-weights", cl::init(false), cl::Hidden, cl::desc("Use raw weights for labels. " "Use percentages as default.")) ( "cfg-raw-weights" , cl::init(false) , cl::Hidden , cl::desc("Use raw weights for labels. " "Use percentages as default.")  )

static

Referenced by viewCFG(), and writeCFGToDotFile().