LLVM 20.0.0git
Macros | Functions | Variables
GuardWidening.cpp File Reference
#include "llvm/Transforms/Scalar/GuardWidening.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/GuardUtils.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/MemorySSAUpdater.h"
#include "llvm/Analysis/PostDominators.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/ConstantRange.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/GuardUtils.h"
#include "llvm/Transforms/Utils/LoopUtils.h"
#include <functional>

Go to the source code of this file.

Macros

#define DEBUG_TYPE   "guard-widening"
 

Functions

 STATISTIC (GuardsEliminated, "Number of eliminated guards")
 
 STATISTIC (CondBranchEliminated, "Number of eliminated conditional branches")
 
 STATISTIC (FreezeAdded, "Number of freeze instruction introduced")
 
static bool isSupportedGuardInstruction (const Instruction *Insn)
 
static std::optional< BasicBlock::iteratorgetFreezeInsertPt (Value *V, const DominatorTree &DT)
 

Variables

static cl::opt< boolWidenBranchGuards ("guard-widening-widen-branch-guards", cl::Hidden, cl::desc("Whether or not we should widen guards " "expressed as branches by widenable conditions"), cl::init(true))
 

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE   "guard-widening"

Definition at line 67 of file GuardWidening.cpp.

Function Documentation

◆ getFreezeInsertPt()

static std::optional< BasicBlock::iterator > getFreezeInsertPt ( Value V,
const DominatorTree DT 
)
static

◆ isSupportedGuardInstruction()

static bool isSupportedGuardInstruction ( const Instruction Insn)
static

◆ STATISTIC() [1/3]

STATISTIC ( CondBranchEliminated  ,
"Number of eliminated conditional branches"   
)

◆ STATISTIC() [2/3]

STATISTIC ( FreezeAdded  ,
"Number of freeze instruction introduced"   
)

◆ STATISTIC() [3/3]

STATISTIC ( GuardsEliminated  ,
"Number of eliminated guards"   
)

Variable Documentation

◆ WidenBranchGuards

cl::opt< bool > WidenBranchGuards("guard-widening-widen-branch-guards", cl::Hidden, cl::desc("Whether or not we should widen guards " "expressed as branches by widenable conditions"), cl::init(true)) ( "guard-widening-widen-branch-guards"  ,
cl::Hidden  ,
cl::desc("Whether or not we should widen guards " "expressed as branches by widenable conditions")  ,
cl::init(true  
)
static