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llvm-mirror/lib/Target/Mips/Mips.h
Francis Visoiu Mistrih 5f6c901f02 [LegacyPassManager] Remove TargetMachine constructors
This provides a new way to access the TargetMachine through
TargetPassConfig, as a dependency.

The patterns replaced here are:

* Passes handling a null TargetMachine call
  `getAnalysisIfAvailable<TargetPassConfig>`.

* Passes not handling a null TargetMachine
  `addRequired<TargetPassConfig>` and call
  `getAnalysis<TargetPassConfig>`.

* MachineFunctionPasses now use MF.getTarget().

* Remove all the TargetMachine constructors.
* Remove INITIALIZE_TM_PASS.

This fixes a crash when running `llc -start-before prologepilog`.

PEI needs StackProtector, which gets constructed without a TargetMachine
by the pass manager. The StackProtector pass doesn't handle the case
where there is no TargetMachine, so it segfaults.

Related to PR30324.

Differential Revision: https://reviews.llvm.org/D33222

llvm-svn: 303360
2017-05-18 17:21:13 +00:00

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1.2 KiB
C++

//===-- Mips.h - Top-level interface for Mips representation ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in
// the LLVM Mips back-end.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MIPS_MIPS_H
#define LLVM_LIB_TARGET_MIPS_MIPS_H
#include "MCTargetDesc/MipsMCTargetDesc.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class MipsTargetMachine;
class ModulePass;
class FunctionPass;
ModulePass *createMipsOs16Pass();
ModulePass *createMips16HardFloatPass();
FunctionPass *createMipsModuleISelDagPass();
FunctionPass *createMipsOptimizePICCallPass();
FunctionPass *createMipsDelaySlotFillerPass();
FunctionPass *createMipsHazardSchedule();
FunctionPass *createMipsLongBranchPass();
FunctionPass *createMipsConstantIslandPass();
FunctionPass *createMicroMipsSizeReductionPass();
} // end namespace llvm;
#endif