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[oota-llvm.git] / lib / Target / Sparc / FPMover.cpp

diff --git a/lib/Target/Sparc/FPMover.cpp b/lib/Target/Sparc/FPMover.cpp
index e1c996664a32f511f71132fffd034f9e20844174..1325b98cf0ee6c48df2e18d9b6b6d4a30e9480c3 100644 (file)
--- a/lib/Target/Sparc/FPMover.cpp
+++ b/lib/Target/Sparc/FPMover.cpp
@@ -2,8 +2,8 @@
 //
 //                     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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -14,12 +14,14 @@
 #define DEBUG_TYPE "fpmover"
 #include "Sparc.h"
 #include "SparcSubtarget.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/ADT/Statistic.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetMachine.h"
 using namespace llvm;
 
 STATISTIC(NumFpDs , "Number of instructions translated");
@@ -33,8 +35,8 @@ namespace {
     TargetMachine &TM;
     
     static char ID;
-    FPMover(TargetMachine &tm) 
-      : MachineFunctionPass((intptr_t)&ID), TM(tm) { }
+    explicit FPMover(TargetMachine &tm) 
+      : MachineFunctionPass(ID), TM(tm) { }
 
     virtual const char *getPassName() const {
       return "Sparc Double-FP Move Fixer";
@@ -57,25 +59,25 @@ FunctionPass *llvm::createSparcFPMoverPass(TargetMachine &tm) {
 /// registers that correspond to it.
 static void getDoubleRegPair(unsigned DoubleReg, unsigned &EvenReg,
                              unsigned &OddReg) {
-  static const unsigned EvenHalvesOfPairs[] = {
+  static const uint16_t EvenHalvesOfPairs[] = {
     SP::F0, SP::F2, SP::F4, SP::F6, SP::F8, SP::F10, SP::F12, SP::F14,
     SP::F16, SP::F18, SP::F20, SP::F22, SP::F24, SP::F26, SP::F28, SP::F30
   };
-  static const unsigned OddHalvesOfPairs[] = {
+  static const uint16_t OddHalvesOfPairs[] = {
     SP::F1, SP::F3, SP::F5, SP::F7, SP::F9, SP::F11, SP::F13, SP::F15,
     SP::F17, SP::F19, SP::F21, SP::F23, SP::F25, SP::F27, SP::F29, SP::F31
   };
-  static const unsigned DoubleRegsInOrder[] = {
+  static const uint16_t DoubleRegsInOrder[] = {
     SP::D0, SP::D1, SP::D2, SP::D3, SP::D4, SP::D5, SP::D6, SP::D7, SP::D8,
     SP::D9, SP::D10, SP::D11, SP::D12, SP::D13, SP::D14, SP::D15
   };
-  for (unsigned i = 0; i < sizeof(DoubleRegsInOrder)/sizeof(unsigned); ++i)
+  for (unsigned i = 0; i < array_lengthof(DoubleRegsInOrder); ++i)
     if (DoubleRegsInOrder[i] == DoubleReg) {
       EvenReg = EvenHalvesOfPairs[i];
       OddReg = OddHalvesOfPairs[i];
       return;
     }
-  assert(0 && "Can't find reg");
+  llvm_unreachable("Can't find reg");
 }
 
 /// runOnMachineBasicBlock - Fixup FpMOVD instructions in this MBB.
@@ -84,6 +86,7 @@ bool FPMover::runOnMachineBasicBlock(MachineBasicBlock &MBB) {
   bool Changed = false;
   for (MachineBasicBlock::iterator I = MBB.begin(); I != MBB.end(); ) {
     MachineInstr *MI = I++;
+    DebugLoc dl = MI->getDebugLoc();
     if (MI->getOpcode() == SP::FpMOVD || MI->getOpcode() == SP::FpABSD ||
         MI->getOpcode() == SP::FpNEGD) {
       Changed = true;
@@ -101,22 +104,22 @@ bool FPMover::runOnMachineBasicBlock(MachineBasicBlock &MBB) {
 
       const TargetInstrInfo *TII = TM.getInstrInfo();
       if (MI->getOpcode() == SP::FpMOVD)
-        MI->setInstrDescriptor(TII->get(SP::FMOVS));
+        MI->setDesc(TII->get(SP::FMOVS));
       else if (MI->getOpcode() == SP::FpNEGD)
-        MI->setInstrDescriptor(TII->get(SP::FNEGS));
+        MI->setDesc(TII->get(SP::FNEGS));
       else if (MI->getOpcode() == SP::FpABSD)
-        MI->setInstrDescriptor(TII->get(SP::FABSS));
+        MI->setDesc(TII->get(SP::FABSS));
       else
-        assert(0 && "Unknown opcode!");
+        llvm_unreachable("Unknown opcode!");
         
       MI->getOperand(0).setReg(EvenDestReg);
       MI->getOperand(1).setReg(EvenSrcReg);
-      DOUT << "FPMover: the modified instr is: " << *MI;
+      DEBUG(errs() << "FPMover: the modified instr is: " << *MI);
       // Insert copy for the other half of the double.
       if (DestDReg != SrcDReg) {
-        MI = BuildMI(MBB, I, TM.getInstrInfo()->get(SP::FMOVS), OddDestReg)
+        MI = BuildMI(MBB, I, dl, TM.getInstrInfo()->get(SP::FMOVS), OddDestReg)
           .addReg(OddSrcReg);
-        DOUT << "FPMover: the inserted instr is: " << *MI;
+        DEBUG(errs() << "FPMover: the inserted instr is: " << *MI);
       }
       ++NumFpDs;
     }