MisExpect.cpp File Reference

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

Include dependency graph for MisExpect.cpp:

Go to the source code of this file.

Namespaces
	llvm
	This is an optimization pass for GlobalISel generic memory operations.
	llvm::misexpect

Macros
#define	DEBUG_TYPE   "misexpect"

Functions
Optional< SmallVector< uint32_t, 4 > >	llvm::misexpect::extractWeights (Instruction *I, LLVMContext &Ctx)
uint32_t	llvm::misexpect::clamp (uint64_t value, uint32_t low, uint32_t hi)
void	llvm::misexpect::verifyMisExpect (Instruction &I, ArrayRef< uint32_t > RealWeights, const ArrayRef< uint32_t > ExpectedWeights)
	veryifyMisExpect - compares RealWeights to the thresholds used for llvm.expect and warns if the PGO counters are outside of the expected range. More...
void	llvm::misexpect::checkBackendInstrumentation (Instruction &I, const llvm::ArrayRef< uint32_t > RealWeights)
	checkBackendInstrumentation - compares PGO counters to the thresholds used for llvm.expect and warns if the PGO counters are outside of the expected range. More...
void	llvm::misexpect::checkFrontendInstrumentation (Instruction &I, const ArrayRef< uint32_t > ExpectedWeights)
	checkFrontendInstrumentation - compares PGO counters to the thresholds used for llvm.expect and warns if the PGO counters are outside of the expected range. More...
void	llvm::misexpect::checkExpectAnnotations (Instruction &I, const ArrayRef< uint32_t > ExistingWeights, bool IsFrontend)
	checkExpectAnnotations - compares PGO counters to the thresholds used for llvm.expect and warns if the PGO counters are outside of the expected range. More...

Variables
static cl::opt< bool >	llvm::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< unsigned >	llvm::MisExpectTolerance ("misexpect-tolerance", cl::init(0), cl::desc("Prevents emiting 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.