MisExpect.cpp File Reference

#include "llvm/Transforms/Utils/MisExpect.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/ProfDataUtils.h"
#include "llvm/Support/BranchProbability.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FormatVariadic.h"
#include <algorithm>
#include <cstdint>
#include <functional>
#include <numeric>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "misexpect"

Functions
static bool	isMisExpectDiagEnabled (const LLVMContext &Ctx)
static uint32_t	getMisExpectTolerance (const LLVMContext &Ctx)
static const Instruction *	getInstCondition (const Instruction *I)
static void	emitMisexpectDiagnostic (const Instruction *I, LLVMContext &Ctx, uint64_t ProfCount, uint64_t TotalCount)

Variables
static cl::opt< bool >	PGOWarnMisExpect ("pgo-warn-misexpect", cl::init(false), cl::Hidden, cl::desc("Use this option to turn on/off " "warnings about incorrect usage of llvm.expect intrinsics."))
static cl::opt< uint32_t >	MisExpectTolerance ("misexpect-tolerance", cl::init(0), cl::desc("Prevents emitting diagnostics when profile counts are " "within N% of the threshold.."))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "misexpect"

Definition at line 46 of file MisExpect.cpp.

Function Documentation

emitMisexpectDiagnostic()

void emitMisexpectDiagnostic ( const Instruction * I, LLVMContext & Ctx, uint64_t ProfCount, uint64_t TotalCount )

static

Definition at line 94 of file MisExpect.cpp.

References Cond, DEBUG_TYPE, llvm::OptimizationRemarkEmitter::emit(), llvm::formatv(), getInstCondition(), I, and isMisExpectDiagEnabled().

Referenced by llvm::misexpect::verifyMisExpect().

getInstCondition()

const Instruction * getInstCondition ( const Instruction * I )

static

Definition at line 73 of file MisExpect.cpp.

References assert(), B(), llvm::dyn_cast(), and I.

Referenced by emitMisexpectDiagnostic().

getMisExpectTolerance()

uint32_t getMisExpectTolerance ( const LLVMContext & Ctx )

static

Definition at line 68 of file MisExpect.cpp.

References MisExpectTolerance.

Referenced by llvm::misexpect::verifyMisExpect().

isMisExpectDiagEnabled()

bool isMisExpectDiagEnabled ( const LLVMContext & Ctx )

static

Definition at line 64 of file MisExpect.cpp.

References PGOWarnMisExpect.

Referenced by emitMisexpectDiagnostic().

Variable Documentation

MisExpectTolerance

cl::opt< uint32_t > MisExpectTolerance("misexpect-tolerance", cl::init(0), cl::desc("Prevents emitting diagnostics when profile counts are " "within N% of the threshold..")) ( "misexpect-tolerance" , cl::init(0) , cl::desc("Prevents emitting diagnostics when profile counts are " "within N% of the threshold..")  )

static

Referenced by getMisExpectTolerance().

PGOWarnMisExpect

cl::opt< bool > PGOWarnMisExpect("pgo-warn-misexpect", cl::init(false), cl::Hidden, cl::desc("Use this option to turn on/off " "warnings about incorrect usage of llvm.expect intrinsics.")) ( "pgo-warn-misexpect" , cl::init(false) , cl::Hidden , cl::desc("Use this option to turn on/off " "warnings about incorrect usage of llvm.expect intrinsics.")  )

static

Referenced by isMisExpectDiagEnabled().