LibcallLoweringInfo.h

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//===- LibcallLoweringInfo.h ------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// Legacy-pass-manager wrapper around the Analysis-layer libcall lowering info,
// which is aware of TargetSubtargetInfo.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CODEGEN_LIBCALLLOWERINGINFO_H
#define LLVM_CODEGEN_LIBCALLLOWERINGINFO_H
 
#include "llvm/Analysis/LibcallLoweringInfo.h"
#include "llvm/Pass.h"
 
namespace llvm {
class RuntimeLibraryInfoWrapper;
class TargetSubtargetInfo;
 
/// Resolve the LibcallLoweringInfo for \p Subtarget from the module-level \p
/// ModuleInfo, applying the subtarget's libcall overrides.
LLVM_ABI const LibcallLoweringInfo &
getLibcallLowering(const ModuleLibcallLoweringInfo &ModuleInfo,
                   const TargetSubtargetInfo &Subtarget);
 
class LLVM_ABI LibcallLoweringInfoWrapper : public ImmutablePass {
  ModuleLibcallLoweringInfo Result;
  RuntimeLibraryInfoWrapper *RuntimeLibcallsWrapper = nullptr;
 
public:
  static char ID;
  LibcallLoweringInfoWrapper();
 
  const LibcallLoweringInfo &
  getLibcallLowering(const Module &M, const TargetSubtargetInfo &Subtarget);
 
  const ModuleLibcallLoweringInfo &getResult(const Module &M);
 
  void initializePass() override;
  void getAnalysisUsage(AnalysisUsage &AU) const override;
  void releaseMemory() override;
};
 
} // end namespace llvm
 
#endif // LLVM_CODEGEN_LIBCALLLOWERINGINFO_H