Removing the PowerPC code generator from the LLVM 1.2 Release Tree.

This is good because it will make LLVM more "polished," but bad because
there might be a joe out there who could take this and flesh it out into
a real code generator.

llvm-svn: 12502

5 files changed, 0 insertions, 278 deletions

diff --git a/llvm/lib/Target/PowerPC/PowerPC.h b/llvm/lib/Target/PowerPC/PowerPC.h
deleted file mode 100644
index 0142dad12b9d..000000000000
--- a/llvm/lib/Target/PowerPC/PowerPC.h
+++ /dev/null
@@ -1,42 +0,0 @@
-//===-- PowerPC.h - Top-level interface for PowerPC representation -*- 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 TARGET_POWERPC_H
-#define TARGET_POWERPC_H
-
-#include <iosfwd>
-
-namespace llvm {
-
-class FunctionPass;
-class TargetMachine;
-
-// Here is where you would define factory methods for powerpc-specific
-// passes. For example:
-// FunctionPass *createPowerPCSimpleInstructionSelector (TargetMachine &TM);
-// FunctionPass *createPowerPCCodePrinterPass(std::ostream &OS,
-//                                            TargetMachine &TM);
-
-} // end namespace llvm;
-
-// Defines symbolic names for PowerPC registers.  This defines a mapping from
-// register name to register number.
-//
-#include "PowerPCGenRegisterNames.inc"
-
-// Defines symbolic names for the PowerPC instructions.
-//
-#include "PowerPCGenInstrNames.inc"
-
-#endif
diff --git a/llvm/lib/Target/PowerPC/PowerPCInstrs.td b/llvm/lib/Target/PowerPC/PowerPCInstrs.td
deleted file mode 100644
index 0536fef1e81d..000000000000
--- a/llvm/lib/Target/PowerPC/PowerPCInstrs.td
+++ /dev/null
@@ -1,46 +0,0 @@
-//===- PowerPCInstrInfo.td - Describe the PowerPC Instruction Set -*- 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.
-// 
-//===----------------------------------------------------------------------===//
-//
-//
-//===----------------------------------------------------------------------===//
-
-class Format<bits<4> val> {
-  bits<4> Value = val;
-}
-
-// All of the PowerPC instruction formats, plus a pseudo-instruction format:
-def Pseudo : Format<0>;
-def IForm : Format<1>;
-def BForm : Format<2>;
-def SCForm : Format<3>;
-def DForm : Format<4>;
-def XForm : Format<5>;
-def XLForm : Format<6>;
-def XFXForm : Format<7>;
-def XFLForm : Format<8>;
-def XOForm : Format<9>;
-def AForm : Format<10>;
-def MForm : Format<11>;
-
-class PPCInst<string nm, bits<6> opcd, Format f> : Instruction {
-  let Namespace = "PowerPC";
-
-  let Name = nm;
-  bits<6> Opcode = opcd;
-  Format Form = f;
-  bits<4> FormBits = Form.Value;
-}
-
-// Pseudo-instructions:
-def PHI : PPCInst<"PHI", 0, Pseudo>;          // PHI node...
-def NOP : PPCInst<"NOP", 0, Pseudo>;          // No-op
-def ADJCALLSTACKDOWN : PPCInst<"ADJCALLSTACKDOWN", 0, Pseudo>;
-def ADJCALLSTACKUP : PPCInst<"ADJCALLSTACKUP", 0, Pseudo>;
-
-
diff --git a/llvm/lib/Target/PowerPC/PowerPCJITInfo.h b/llvm/lib/Target/PowerPC/PowerPCJITInfo.h
deleted file mode 100644
index bd808515991b..000000000000
--- a/llvm/lib/Target/PowerPC/PowerPCJITInfo.h
+++ /dev/null
@@ -1,49 +0,0 @@
-//===- PowerPCJITInfo.h - PowerPC impl. of the JIT interface ----*- 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 PowerPC implementation of the TargetJITInfo class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef POWERPCJITINFO_H
-#define POWERPCJITINFO_H
-
-#include "llvm/Target/TargetJITInfo.h"
-
-namespace llvm {
-  class TargetMachine;
-  class IntrinsicLowering;
-
-  class PowerPCJITInfo : public TargetJITInfo {
-    TargetMachine &TM;
-  public:
-    PowerPCJITInfo(TargetMachine &tm) : TM(tm) {}
-
-    /// addPassesToJITCompile - Add passes to the specified pass manager to
-    /// implement a fast dynamic compiler for this target.  Return true if this
-    /// is not supported for this target.
-    ///
-    virtual void addPassesToJITCompile(FunctionPassManager &PM);
-    
-    /// replaceMachineCodeForFunction - Make it so that calling the function
-    /// whose machine code is at OLD turns into a call to NEW, perhaps by
-    /// overwriting OLD with a branch to NEW.  This is used for self-modifying
-    /// code.
-    ///
-    virtual void replaceMachineCodeForFunction(void *Old, void *New);
-    
-    /// getJITStubForFunction - Create or return a stub for the specified
-    /// function.  This stub acts just like the specified function, except that
-    /// it allows the "address" of the function to be taken without having to
-    /// generate code for it.
-    virtual void *getJITStubForFunction(Function *F, MachineCodeEmitter &MCE);
-  };
-}
-
-#endif
diff --git a/llvm/lib/Target/PowerPC/PowerPCReg.td b/llvm/lib/Target/PowerPC/PowerPCReg.td
deleted file mode 100644
index 8f856217d443..000000000000
--- a/llvm/lib/Target/PowerPC/PowerPCReg.td
+++ /dev/null
@@ -1,82 +0,0 @@
-//===- PowerPCReg.td - Describe the PowerPC Register File -------*- 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.
-// 
-//===----------------------------------------------------------------------===//
-//
-//
-//===----------------------------------------------------------------------===//
-
-class PPCReg : Register {
-  let Namespace = "PowerPC";
-}
-
-// We identify all our registers with a 5-bit ID, for consistency's sake.
-
-// GPR - One of the 32 32-bit general-purpose registers
-class GPR<bits<5> num> : PPCReg {
-  field bits<5> Num = num;
-}
-
-// SPR - One of the 32-bit special-purpose registers
-class SPR<bits<5> num> : PPCReg {
-  field bits<5> Num = num;
-}
-
-// FPR - One of the 32 64-bit floating-point registers
-class FPR<bits<5> num> : PPCReg {
-  field bits<5> Num = num;
-}
-
-// CR - One of the 8 4-bit condition registers
-class CR<bits<5> num> : PPCReg {
-  field bits<5> Num = num;
-}
-
-// General-purpose registers
-def R0  : GPR< 0>;  def R1  : GPR< 1>;  def R2  : GPR< 2>;  def R3  : GPR< 3>;
-def R4  : GPR< 4>;  def R5  : GPR< 5>;  def R6  : GPR< 6>;  def R7  : GPR< 7>;
-def R8  : GPR< 8>;  def R9  : GPR< 9>;  def R10 : GPR<10>;  def R11 : GPR<11>;
-def R12 : GPR<12>;  def R13 : GPR<13>;  def R14 : GPR<14>;  def R15 : GPR<15>;
-def R16 : GPR<16>;  def R17 : GPR<17>;  def R18 : GPR<18>;  def R19 : GPR<19>;
-def R20 : GPR<20>;  def R21 : GPR<21>;  def R22 : GPR<22>;  def R23 : GPR<23>;
-def R24 : GPR<24>;  def R25 : GPR<25>;  def R26 : GPR<26>;  def R27 : GPR<27>;
-def R28 : GPR<28>;  def R29 : GPR<29>;  def R30 : GPR<30>;  def R31 : GPR<31>;
-
-// Floating-point registers
-def F0  : FPR< 0>;  def F1  : FPR< 1>;  def F2  : FPR< 2>;  def F3  : FPR< 3>;
-def F4  : FPR< 4>;  def F5  : FPR< 5>;  def F6  : FPR< 6>;  def F7  : FPR< 7>;
-def F8  : FPR< 8>;  def F9  : FPR< 9>;  def F10 : FPR<10>;  def F11 : FPR<11>;
-def F12 : FPR<12>;  def F13 : FPR<13>;  def F14 : FPR<14>;  def F15 : FPR<15>;
-def F16 : FPR<16>;  def F17 : FPR<17>;  def F18 : FPR<18>;  def F19 : FPR<19>;
-def F20 : FPR<20>;  def F21 : FPR<21>;  def F22 : FPR<22>;  def F23 : FPR<23>;
-def F24 : FPR<24>;  def F25 : FPR<25>;  def F26 : FPR<26>;  def F27 : FPR<27>;
-def F28 : FPR<28>;  def F29 : FPR<29>;  def F30 : FPR<30>;  def F31 : FPR<31>;
-
-// Condition registers
-def CR0 : CR<0>; def CR1 : CR<1>; def CR2 : CR<2>; def CR3 : CR<3>;
-def CR4 : CR<4>; def CR5 : CR<5>; def CR6 : CR<6>; def CR7 : CR<7>;
-
-// Floating-point status and control register
-def FPSCR : SPR<0>;
-// fiXed-point Exception Register? :-)
-def XER : SPR<1>;
-// Link register
-def LR : SPR<2>;
-// Count register
-def CTR : SPR<3>;
-// These are the "time base" registers which are read-only in user mode.
-def TBL : SPR<4>;
-def TBU : SPR<5>;
-
-/// Register classes: one for floats and another for non-floats.
-def GPRC : RegisterClass<i32, 4, [R0, R1, R2, R3, R4, R5, R6, R7,
-  R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21,
-  R22, R23, R24, R25, R26, R27, R28, R29, R30, R31]>;
-def FPRC : RegisterClass<f64, 8, [F0, F1, F2, F3, F4, F5, F6, F7,
-  F8, F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21,
-  F22, F23, F24, F25, F26, F27, F28, F29, F30, F31]>;
-
diff --git a/llvm/lib/Target/PowerPC/PowerPCTargetMachine.cpp b/llvm/lib/Target/PowerPC/PowerPCTargetMachine.cpp
deleted file mode 100644
index 9a9a020b6480..000000000000
--- a/llvm/lib/Target/PowerPC/PowerPCTargetMachine.cpp
+++ /dev/null
@@ -1,59 +0,0 @@
-//===-- PowerPCTargetMachine.cpp - Define TargetMachine for PowerPC -------===//
-// 
-//                     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.
-// 
-//===----------------------------------------------------------------------===//
-// 
-//
-//===----------------------------------------------------------------------===//
-
-#include "PowerPCTargetMachine.h"
-#include "PowerPC.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
-#include "llvm/Target/TargetMachineImpls.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/Passes.h"
-using namespace llvm;
-
-// allocatePowerPCTargetMachine - Allocate and return a subclass of 
-// TargetMachine that implements the PowerPC backend.
-//
-TargetMachine *llvm::allocatePowerPCTargetMachine(const Module &M,
-                                                  IntrinsicLowering *IL) {
-  return new PowerPCTargetMachine(M, IL);
-}
-
-/// PowerPCTargetMachine ctor - Create an ILP32 architecture model
-///
-PowerPCTargetMachine::PowerPCTargetMachine(const Module &M,
-                                           IntrinsicLowering *IL)
-  : TargetMachine("PowerPC", IL, true, 4, 4, 4, 4, 4),
-    FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 4), JITInfo(*this) {
-}
-
-/// addPassesToEmitAssembly - Add passes to the specified pass manager
-/// to implement a static compiler for this target.
-///
-bool PowerPCTargetMachine::addPassesToEmitAssembly(PassManager &PM,
-					       std::ostream &Out) {
-  // <insert instruction selector passes here>
-  PM.add(createRegisterAllocator());
-  PM.add(createPrologEpilogCodeInserter());
-  // <insert assembly code output passes here>
-  PM.add(createMachineCodeDeleter());
-  return true; // change to `return false' when this actually works.
-}
-
-/// addPassesToJITCompile - Add passes to the specified pass manager to
-/// implement a fast dynamic compiler for this target.
-///
-void PowerPCJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
-  // <insert instruction selector passes here>
-  PM.add(createRegisterAllocator());
-  PM.add(createPrologEpilogCodeInserter());
-}
-