rename TargetInstrDescriptor -> TargetInstrDesc.
Make MachineInstr::getDesc return a reference instead
of a pointer, since it can never be null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45695 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocSimple.cpp b/lib/CodeGen/RegAllocSimple.cpp
index 3382823..a4743ed 100644
--- a/lib/CodeGen/RegAllocSimple.cpp
+++ b/lib/CodeGen/RegAllocSimple.cpp
@@ -173,7 +173,7 @@
 
     // This is a preliminary pass that will invalidate any registers that are
     // used by the instruction (including implicit uses).
-    const TargetInstrDescriptor &Desc = *MI->getDesc();
+    const TargetInstrDesc &Desc = MI->getDesc();
     const unsigned *Regs;
     if (Desc.ImplicitUses) {
       for (Regs = Desc.ImplicitUses; *Regs; ++Regs)
@@ -203,7 +203,7 @@
         unsigned physReg = Virt2PhysRegMap[virtualReg];
         if (physReg == 0) {
           if (op.isDef()) {
-            int TiedOp = MI->getDesc()->findTiedToSrcOperand(i);
+            int TiedOp = Desc.findTiedToSrcOperand(i);
             if (TiedOp == -1) {
               physReg = getFreeReg(virtualReg);
             } else {