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/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index 3d0d423..1b3e0b8 100644
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -205,7 +205,7 @@
 
   for (MachineBasicBlock::iterator I = BB.begin(); I != BB.end(); ++I) {
     MachineInstr *MI = I;
-    unsigned Flags = MI->getDesc()->TSFlags;
+    unsigned Flags = MI->getDesc().TSFlags;
     if ((Flags & X86II::FPTypeMask) == X86II::NotFP)
       continue;  // Efficiently ignore non-fp insts!
 
@@ -597,7 +597,7 @@
 ///
 void FPS::handleOneArgFP(MachineBasicBlock::iterator &I) {
   MachineInstr *MI = I;
-  unsigned NumOps = MI->getDesc()->getNumOperands();
+  unsigned NumOps = MI->getDesc().getNumOperands();
   assert((NumOps == 5 || NumOps == 1) &&
          "Can only handle fst* & ftst instructions!");
 
@@ -657,7 +657,7 @@
 ///
 void FPS::handleOneArgFPRW(MachineBasicBlock::iterator &I) {
   MachineInstr *MI = I;
-  unsigned NumOps = MI->getDesc()->getNumOperands();
+  unsigned NumOps = MI->getDesc().getNumOperands();
   assert(NumOps >= 2 && "FPRW instructions must have 2 ops!!");
 
   // Is this the last use of the source register?
@@ -766,7 +766,7 @@
   ASSERT_SORTED(ForwardSTiTable); ASSERT_SORTED(ReverseSTiTable);
   MachineInstr *MI = I;
 
-  unsigned NumOperands = MI->getDesc()->getNumOperands();
+  unsigned NumOperands = MI->getDesc().getNumOperands();
   assert(NumOperands == 3 && "Illegal TwoArgFP instruction!");
   unsigned Dest = getFPReg(MI->getOperand(0));
   unsigned Op0 = getFPReg(MI->getOperand(NumOperands-2));
@@ -864,7 +864,7 @@
   ASSERT_SORTED(ForwardSTiTable); ASSERT_SORTED(ReverseSTiTable);
   MachineInstr *MI = I;
 
-  unsigned NumOperands = MI->getDesc()->getNumOperands();
+  unsigned NumOperands = MI->getDesc().getNumOperands();
   assert(NumOperands == 2 && "Illegal FUCOM* instruction!");
   unsigned Op0 = getFPReg(MI->getOperand(NumOperands-2));
   unsigned Op1 = getFPReg(MI->getOperand(NumOperands-1));