llvm/llvm/lib/Transforms/Utils/GuardUtils.cpp

//===-- GuardUtils.cpp - Utils for work with guards -------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
// Utils that are used to perform transformations related to guards and their
// conditions.
//===----------------------------------------------------------------------===//

#include "llvm/Transforms/Utils/GuardUtils.h"
#include "llvm/Analysis/GuardUtils.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"

usingnamespacellvm;
usingnamespacellvm::PatternMatch;

static cl::opt<uint32_t> PredicatePassBranchWeight(
    "guards-predicate-pass-branch-weight", cl::Hidden, cl::init(1 << 20),
    cl::desc("The probability of a guard failing is assumed to be the "
             "reciprocal of this value (default = 1 << 20)"));

void llvm::makeGuardControlFlowExplicit(Function *DeoptIntrinsic,
                                        CallInst *Guard, bool UseWC) { … }


void llvm::widenWidenableBranch(BranchInst *WidenableBR, Value *NewCond) { … }

void llvm::setWidenableBranchCond(BranchInst *WidenableBR, Value *NewCond) { … }