1 files changed, 0 insertions, 153 deletions
diff --git a/lib/Target/CellSPU/SPUNopFiller.cpp b/lib/Target/CellSPU/SPUNopFiller.cpp
deleted file mode 100644
index 7c58041..0000000
--- a/lib/Target/CellSPU/SPUNopFiller.cpp
+++ /dev/null
@@ -1,153 +0,0 @@
-//===-- SPUNopFiller.cpp - Add nops/lnops to align the pipelines ----------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// The final pass just before assembly printing. This pass is the last
-// checkpoint where nops and lnops are added to the instruction stream to 
-// satisfy the dual issue requirements. The actual dual issue scheduling is 
-// done (TODO: nowhere, currently)
-//
-//===----------------------------------------------------------------------===//
-
-#include "SPU.h"
-#include "SPUTargetMachine.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-namespace {
-  struct SPUNopFiller : public MachineFunctionPass {
-
-    TargetMachine &TM;
-    const TargetInstrInfo *TII;
-    const InstrItineraryData *IID;
-    bool isEvenPlace;  // the instruction slot (mem address) at hand is even/odd
-
-    static char ID;
-    SPUNopFiller(TargetMachine &tm) 
-      : MachineFunctionPass(ID), TM(tm), TII(tm.getInstrInfo()), 
-        IID(tm.getInstrItineraryData()) 
-    {
-      DEBUG( dbgs() << "********** SPU Nop filler **********\n" ; );
-    }
-
-    virtual const char *getPassName() const {
-      return "SPU nop/lnop Filler";
-    }
-
-    void runOnMachineBasicBlock(MachineBasicBlock &MBB);
-
-    bool runOnMachineFunction(MachineFunction &F) {
-      isEvenPlace = true; //all functions get an .align 3 directive at start 
-      for (MachineFunction::iterator FI = F.begin(), FE = F.end();
-           FI != FE; ++FI)
-        runOnMachineBasicBlock(*FI);
-      return true; //never-ever do any more modifications, just print it!
-    }
-
-    typedef enum { none   = 0, // no more instructions in this function / BB
-                   pseudo = 1, // this does not get executed
-                   even   = 2, 
-                   odd    = 3 } SPUOpPlace;
-    SPUOpPlace getOpPlacement( MachineInstr &instr );
-
-  };
-  char SPUNopFiller::ID = 0;
-
-} 
-
-// Fill a BasicBlock to alignment. 
-// In the assebly we align the functions to 'even' adresses, but
-// basic blocks have an implicit alignmnet. We hereby define 
-// basic blocks to have the same, even, alignment.
-void SPUNopFiller::
-runOnMachineBasicBlock(MachineBasicBlock &MBB) 
-{
-  assert( isEvenPlace && "basic block start from odd address");
-  for (MachineBasicBlock::iterator I = MBB.begin(); I != MBB.end(); ++I)
-  {
-    SPUOpPlace this_optype, next_optype;
-    MachineBasicBlock::iterator J = I;
-    J++;
-
-    this_optype = getOpPlacement( *I );
-    next_optype = none;
-    while (J!=MBB.end()){
-      next_optype = getOpPlacement( *J );
-      ++J;
-      if (next_optype != pseudo ) 
-        break;
-    }
-
-    // padd: odd(wrong), even(wrong), ...
-    // to:   nop(corr), odd(corr), even(corr)...
-    if( isEvenPlace && this_optype == odd && next_optype == even ) {
-      DEBUG( dbgs() <<"Adding NOP before: "; );
-      DEBUG( I->dump(); );
-      BuildMI(MBB, I, I->getDebugLoc(), TII->get(SPU::ENOP));
-      isEvenPlace=false;
-    }
-    
-    // padd: even(wrong), odd(wrong), ...
-    // to:   lnop(corr), even(corr), odd(corr)...
-    else if ( !isEvenPlace && this_optype == even && next_optype == odd){
-      DEBUG( dbgs() <<"Adding LNOP before: "; );
-      DEBUG( I->dump(); );
-      BuildMI(MBB, I, I->getDebugLoc(), TII->get(SPU::LNOP));
-      isEvenPlace=true;
-    }
-      
-    // now go to next mem slot
-    if( this_optype != pseudo )
-      isEvenPlace = !isEvenPlace;    
-
-  }
-
-  // padd basicblock end
-  if( !isEvenPlace ){
-    MachineBasicBlock::iterator J = MBB.end();
-    J--;
-    if (getOpPlacement( *J ) == odd) {
-      DEBUG( dbgs() <<"Padding basic block with NOP\n"; );
-      BuildMI(MBB, J, J->getDebugLoc(), TII->get(SPU::ENOP));
-    }  
-    else {
-      J++;
-      DEBUG( dbgs() <<"Padding basic block with LNOP\n"; );
-      BuildMI(MBB, J, DebugLoc(), TII->get(SPU::LNOP));
-    }
-    isEvenPlace=true;
-  }
-}
-
-FunctionPass *llvm::createSPUNopFillerPass(SPUTargetMachine &tm) {
-  return new SPUNopFiller(tm);
-}
-
-// Figure out if 'instr' is executed in the even or odd pipeline
-SPUNopFiller::SPUOpPlace 
-SPUNopFiller::getOpPlacement( MachineInstr &instr ) {
-  int sc = instr.getDesc().getSchedClass();
-  const InstrStage *stage = IID->beginStage(sc);
-  unsigned FUs = stage->getUnits();
-  SPUOpPlace retval;
-
-  switch( FUs ) {
-    case 0: retval = pseudo; break;
-    case 1: retval = odd;    break;
-    case 2: retval = even;   break;
-    default: retval= pseudo; 
-             assert( false && "got unknown FuncUnit\n");
-             break;
-  };
-  return retval;
-}