Chris Lattner 1911fd4f85 Completely rearchitect the interface between targets and the pass manager.
This pass:

1. Splits TargetMachine into TargetMachine (generic targets, can be implemented
any way, like the CBE) and LLVMTargetMachine (subclass of TM that is used by
things using libcodegen and other support).
2. Instead of having each target fully populate the passmgr for file or JIT
   output, move all this to common code, and give targets hooks they can
   implement.
3. Commonalize the target population stuff between file emission and JIT
   emission.
4. All (native code) codegen stuff now happens in a FunctionPassManager, which
   paves the way for "fast -O0" stuff in the CFE later, and now LLC could
   lazily stream .bc files from disk to use less memory.
5. There are now many fewer #includes and the targets don't depend on the
   scalar xforms or libanalysis anymore (but codegen does).
6. Changing common code generator pass ordering stuff no longer requires
   touching all targets.
7. The JIT now has the option of "-fast" codegen or normal optimized codegen,
   which is now orthogonal to the fact that JIT'ing is being done.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30081 91177308-0d34-0410-b5e6-96231b3b80d8
2006-09-04 04:14:57 +00:00

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C++

//===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and 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
// PowerPC back-end.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGET_POWERPC_H
#define LLVM_TARGET_POWERPC_H
#include <iosfwd>
namespace llvm {
class PPCTargetMachine;
class FunctionPassManager;
class FunctionPass;
class MachineCodeEmitter;
FunctionPass *createPPCBranchSelectionPass();
FunctionPass *createPPCISelDag(PPCTargetMachine &TM);
FunctionPass *createDarwinAsmPrinter(std::ostream &OS, PPCTargetMachine &TM);
FunctionPass *createPPCCodeEmitterPass(PPCTargetMachine &TM,
MachineCodeEmitter &MCE);
void addPPCMachOObjectWriterPass(FunctionPassManager &FPM, std::ostream &o,
PPCTargetMachine &tm);
} // end namespace llvm;
// GCC #defines PPC on Linux but we use it as our namespace name
#undef PPC
// Defines symbolic names for PowerPC registers. This defines a mapping from
// register name to register number.
//
#include "PPCGenRegisterNames.inc"
// Defines symbolic names for the PowerPC instructions.
//
#include "PPCGenInstrNames.inc"
#endif