Files
clang-r547379/include/llvm/Analysis/CycleAnalysis.h
Ryan Prichard 6024e5c395 Update prebuilt Clang to r547379 (20.0.0).
clang 20.0.0 (based on r547379) from build 12806354.

Bug: http://b/379133546
Test: N/A
Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b

Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
2025-11-26 14:59:46 -05:00

79 lines
2.3 KiB
C++

//===- CycleAnalysis.h - Cycle Info for LLVM IR -----------------*- 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
//
//===----------------------------------------------------------------------===//
/// \file
///
/// This file declares an analysis pass that computes CycleInfo for
/// LLVM IR, specialized from GenericCycleInfo.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_ANALYSIS_CYCLEANALYSIS_H
#define LLVM_ANALYSIS_CYCLEANALYSIS_H
#include "llvm/IR/CycleInfo.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Pass.h"
namespace llvm {
/// Legacy analysis pass which computes a \ref CycleInfo.
class CycleInfoWrapperPass : public FunctionPass {
Function *F = nullptr;
CycleInfo CI;
public:
static char ID;
CycleInfoWrapperPass();
CycleInfo &getResult() { return CI; }
const CycleInfo &getResult() const { return CI; }
bool runOnFunction(Function &F) override;
void getAnalysisUsage(AnalysisUsage &AU) const override;
void releaseMemory() override;
void print(raw_ostream &OS, const Module *M = nullptr) const override;
// TODO: verify analysis?
};
/// Analysis pass which computes a \ref CycleInfo.
class CycleAnalysis : public AnalysisInfoMixin<CycleAnalysis> {
friend AnalysisInfoMixin<CycleAnalysis>;
static AnalysisKey Key;
public:
/// Provide the result typedef for this analysis pass.
using Result = CycleInfo;
using LegacyWrapper = CycleInfoWrapperPass;
/// Run the analysis pass over a function and produce a dominator tree.
CycleInfo run(Function &F, FunctionAnalysisManager &);
// TODO: verify analysis?
};
class CycleInfoPrinterPass : public PassInfoMixin<CycleInfoPrinterPass> {
raw_ostream &OS;
public:
explicit CycleInfoPrinterPass(raw_ostream &OS);
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
static bool isRequired() { return true; }
};
struct CycleInfoVerifierPass : public PassInfoMixin<CycleInfoVerifierPass> {
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
static bool isRequired() { return true; }
};
} // end namespace llvm
#endif // LLVM_ANALYSIS_CYCLEANALYSIS_H