6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
42 lines
1.5 KiB
C++
42 lines
1.5 KiB
C++
//===- BasicBlockSectionUtils.h - Utilities for basic block sections --===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CODEGEN_BASICBLOCKSECTIONUTILS_H
|
|
#define LLVM_CODEGEN_BASICBLOCKSECTIONUTILS_H
|
|
|
|
#include "llvm/ADT/STLExtras.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
|
|
namespace llvm {
|
|
|
|
extern cl::opt<std::string> BBSectionsColdTextPrefix;
|
|
|
|
class MachineFunction;
|
|
class MachineBasicBlock;
|
|
|
|
using MachineBasicBlockComparator =
|
|
function_ref<bool(const MachineBasicBlock &, const MachineBasicBlock &)>;
|
|
|
|
void sortBasicBlocksAndUpdateBranches(MachineFunction &MF,
|
|
MachineBasicBlockComparator MBBCmp);
|
|
|
|
void avoidZeroOffsetLandingPad(MachineFunction &MF);
|
|
|
|
/// This checks if the source of this function has drifted since this binary was
|
|
/// profiled previously.
|
|
/// For now, we are piggy backing on what PGO does to
|
|
/// detect this with instrumented profiles. PGO emits an hash of the IR and
|
|
/// checks if the hash has changed. Advanced basic block layout is usually done
|
|
/// on top of PGO optimized binaries and hence this check works well in
|
|
/// practice.
|
|
bool hasInstrProfHashMismatch(MachineFunction &MF);
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif // LLVM_CODEGEN_BASICBLOCKSECTIONUTILS_H
|