X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FSparc%2FDelaySlotFiller.cpp;h=15b26c29872f3bfefbd47a90f70d44cef8564f55;hb=4e918b2c8ca81edd63f6708e08835b2c14648615;hp=78d5baa1f9b3f8e623f015fd66deb46147582115;hpb=4185d03dc5290550f0bad33764f3971ec9a74132;p=oota-llvm.git

diff --git a/lib/Target/Sparc/DelaySlotFiller.cpp b/lib/Target/Sparc/DelaySlotFiller.cpp
index 78d5baa1f9b..15b26c29872 100644
--- a/lib/Target/Sparc/DelaySlotFiller.cpp
+++ b/lib/Target/Sparc/DelaySlotFiller.cpp
@@ -1,110 +1,74 @@
-//===-- DelaySlotFiller.cpp - SparcV8 delay slot filler -------------------===//
-// 
+//===-- DelaySlotFiller.cpp - SPARC delay slot filler ---------------------===//
+//
 //                     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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
 //===----------------------------------------------------------------------===//
 //
-// Simple local delay slot filler for SparcV8 machine code
+// This is a simple local pass that fills delay slots with NOPs.
 //
 //===----------------------------------------------------------------------===//
 
-#include "SparcV8.h"
+#define DEBUG_TYPE "delayslotfiller"
+#include "Sparc.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "Support/Statistic.h"
-
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/ADT/Statistic.h"
 using namespace llvm;
 
-namespace {
-  Statistic<> FilledSlots ("delayslotfiller", "Num. of delay slots filled");
+STATISTIC(FilledSlots, "Number of delay slots filled");
 
+namespace {
   struct Filler : public MachineFunctionPass {
     /// Target machine description which we query for reg. names, data
     /// layout, etc.
     ///
     TargetMachine &TM;
+    const TargetInstrInfo *TII;
 
-    Filler (TargetMachine &tm) : TM (tm) { }
+    static char ID;
+    Filler(TargetMachine &tm) 
+      : MachineFunctionPass(&ID), TM(tm), TII(tm.getInstrInfo()) { }
 
-    virtual const char *getPassName () const {
-      return "SparcV8 Delay Slot Filler";
+    virtual const char *getPassName() const {
+      return "SPARC Delay Slot Filler";
     }
 
-    bool runOnMachineBasicBlock (MachineBasicBlock &MBB);
-    bool runOnMachineFunction (MachineFunction &F) {
+    bool runOnMachineBasicBlock(MachineBasicBlock &MBB);
+    bool runOnMachineFunction(MachineFunction &F) {
       bool Changed = false;
-      for (MachineFunction::iterator FI = F.begin (), FE = F.end ();
+      for (MachineFunction::iterator FI = F.begin(), FE = F.end();
            FI != FE; ++FI)
-        Changed |= runOnMachineBasicBlock (*FI);
+        Changed |= runOnMachineBasicBlock(*FI);
       return Changed;
     }
 
   };
+  char Filler::ID = 0;
 } // end of anonymous namespace
 
-/// createSparcV8DelaySlotFillerPass - Returns a pass that fills in delay
-/// slots in SparcV8 MachineFunctions
+/// createSparcDelaySlotFillerPass - Returns a pass that fills in delay
+/// slots in Sparc MachineFunctions
 ///
-FunctionPass *llvm::createSparcV8DelaySlotFillerPass (TargetMachine &tm) {
-  return new Filler (tm);
-}
-
-static bool hasDelaySlot (unsigned Opcode) {
-  switch (Opcode) {
-    case V8::BA:
-    case V8::BCC:
-    case V8::BCS:
-    case V8::BE:
-    case V8::BG:
-    case V8::BGE:
-    case V8::BGU:
-    case V8::BL:
-    case V8::BLE:
-    case V8::BLEU:
-    case V8::BNE:
-    case V8::CALL:
-    case V8::JMPLrr:
-    case V8::RETL:
-    case V8::FBA:
-    case V8::FBN:
-    case V8::FBU:
-    case V8::FBG:
-    case V8::FBUG:
-    case V8::FBL:
-    case V8::FBUL:
-    case V8::FBLG:
-    case V8::FBNE:
-    case V8::FBE:
-    case V8::FBUE:
-    case V8::FBGE:
-    case V8::FBUGE:
-    case V8::FBLE:
-    case V8::FBULE:
-    case V8::FBO:
-    case V8::FCMPS:
-    case V8::FCMPD:
-    case V8::FCMPES:
-    case V8::FCMPED:
-      return true;
-    default:
-      return false;
-  }
+FunctionPass *llvm::createSparcDelaySlotFillerPass(TargetMachine &tm) {
+  return new Filler(tm);
 }
 
 /// runOnMachineBasicBlock - Fill in delay slots for the given basic block.
 /// Currently, we fill delay slots with NOPs. We assume there is only one
 /// delay slot per delayed instruction.
 ///
-bool Filler::runOnMachineBasicBlock (MachineBasicBlock &MBB) {
+bool Filler::runOnMachineBasicBlock(MachineBasicBlock &MBB) {
   bool Changed = false;
-  for (MachineBasicBlock::iterator I = MBB.begin (); I != MBB.end (); ++I)
-    if (hasDelaySlot (I->getOpcode ())) {
+  for (MachineBasicBlock::iterator I = MBB.begin(); I != MBB.end(); ++I)
+    if (I->getDesc().hasDelaySlot()) {
       MachineBasicBlock::iterator J = I;
       ++J;
-      BuildMI (MBB, J, V8::NOP, 0);
+      BuildMI(MBB, J, DebugLoc::getUnknownLoc(), TII->get(SP::NOP));
       ++FilledSlots;
       Changed = true;
     }