Get rid of 3 non-DebugLoc getNode variants.

[oota-llvm.git] / lib / CodeGen / RegAllocSimple.cpp

diff --git a/lib/CodeGen/RegAllocSimple.cpp b/lib/CodeGen/RegAllocSimple.cpp
index ce4b42071a7d0fb458c3ed2517f911967fadd633..5e5290ce3e30181fffcfc0c64c86a7e8679d9c39 100644 (file)
--- a/lib/CodeGen/RegAllocSimple.cpp
+++ b/lib/CodeGen/RegAllocSimple.cpp
@@ -35,13 +35,13 @@ STATISTIC(NumLoads , "Number of loads added");
 
 namespace {
   static RegisterRegAlloc
-    simpleRegAlloc("simple", "  simple register allocator",
+    simpleRegAlloc("simple", "simple register allocator",
                    createSimpleRegisterAllocator);
 
   class VISIBILITY_HIDDEN RegAllocSimple : public MachineFunctionPass {
   public:
     static char ID;
-    RegAllocSimple() : MachineFunctionPass((intptr_t)&ID) {}
+    RegAllocSimple() : MachineFunctionPass(&ID) {}
   private:
     MachineFunction *MF;
     const TargetMachine *TM;
@@ -122,7 +122,9 @@ int RegAllocSimple::getStackSpaceFor(unsigned VirtReg,
 unsigned RegAllocSimple::getFreeReg(unsigned virtualReg) {
   const TargetRegisterClass* RC = MF->getRegInfo().getRegClass(virtualReg);
   TargetRegisterClass::iterator RI = RC->allocation_order_begin(*MF);
+#ifndef NDEBUG
   TargetRegisterClass::iterator RE = RC->allocation_order_end(*MF);
+#endif
 
   while (1) {
     unsigned regIdx = RegClassIdx[RC]++;
@@ -188,12 +190,12 @@ void RegAllocSimple::AllocateBasicBlock(MachineBasicBlock &MBB) {
 
     // Loop over uses, move from memory into registers.
     for (int i = MI->getNumOperands() - 1; i >= 0; --i) {
-      MachineOperand &op = MI->getOperand(i);
+      MachineOperand &MO = MI->getOperand(i);
 
-      if (op.isRegister() && op.getReg() &&
-          TargetRegisterInfo::isVirtualRegister(op.getReg())) {
-        unsigned virtualReg = (unsigned) op.getReg();
-        DOUT << "op: " << op << "\n";
+      if (MO.isReg() && MO.getReg() &&
+          TargetRegisterInfo::isVirtualRegister(MO.getReg())) {
+        unsigned virtualReg = (unsigned) MO.getReg();
+        DOUT << "op: " << MO << "\n";
         DOUT << "\t inst[" << i << "]: ";
         DEBUG(MI->print(*cerr.stream(), TM));
 
@@ -201,7 +203,7 @@ void RegAllocSimple::AllocateBasicBlock(MachineBasicBlock &MBB) {
         // register in any given instruction
         unsigned physReg = Virt2PhysRegMap[virtualReg];
         if (physReg == 0) {
-          if (op.isDef()) {
+          if (MO.isDef()) {
             int TiedOp = Desc.findTiedToSrcOperand(i);
             if (TiedOp == -1) {
               physReg = getFreeReg(virtualReg);
@@ -209,7 +211,7 @@ void RegAllocSimple::AllocateBasicBlock(MachineBasicBlock &MBB) {
               // must be same register number as the source operand that is 
               // tied to. This maps a = b + c into b = b + c, and saves b into
               // a's spot.
-              assert(MI->getOperand(TiedOp).isRegister()  &&
+              assert(MI->getOperand(TiedOp).isReg()  &&
                      MI->getOperand(TiedOp).getReg() &&
                      MI->getOperand(TiedOp).isUse() &&
                      "Two address instruction invalid!");
@@ -222,8 +224,8 @@ void RegAllocSimple::AllocateBasicBlock(MachineBasicBlock &MBB) {
             Virt2PhysRegMap[virtualReg] = physReg;
           }
         }
-        MI->getOperand(i).setReg(physReg);
-        DOUT << "virt: " << virtualReg << ", phys: " << op.getReg() << "\n";
+        MO.setReg(physReg);
+        DOUT << "virt: " << virtualReg << ", phys: " << MO.getReg() << "\n";
       }
     }
     RegClassIdx.clear();