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/PowerPC/PPCHazardRecognizers.cpp b/lib/Target/PowerPC/PPCHazardRecognizers.cpp
index 3c7fcfa..58df0d6 100644
--- a/lib/Target/PowerPC/PPCHazardRecognizers.cpp
+++ b/lib/Target/PowerPC/PPCHazardRecognizers.cpp
@@ -70,7 +70,7 @@
   }
   Opcode -= ISD::BUILTIN_OP_END;
   
-  const TargetInstrDescriptor &TID = TII.get(Opcode);
+  const TargetInstrDesc &TID = TII.get(Opcode);
   
   isLoad  = TID.isSimpleLoad();
   isStore = TID.mayStore();
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 7ab17bc..6e8cebd 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -262,13 +262,13 @@
   
   // Find all return blocks, outputting a restore in each epilog.
   for (MachineFunction::iterator BB = Fn.begin(), E = Fn.end(); BB != E; ++BB) {
-    if (!BB->empty() && BB->back().getDesc()->isReturn()) {
+    if (!BB->empty() && BB->back().getDesc().isReturn()) {
       IP = BB->end(); --IP;
       
       // Skip over all terminator instructions, which are part of the return
       // sequence.
       MachineBasicBlock::iterator I2 = IP;
-      while (I2 != BB->begin() && (--I2)->getDesc()->isTerminator())
+      while (I2 != BB->begin() && (--I2)->getDesc().isTerminator())
         IP = I2;
       
       // Emit: MTVRSAVE InVRSave
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 866c2bf..19d7afa 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -540,7 +540,7 @@
   // epilog blocks.
   for (MachineFunction::iterator I = MF->begin(), E = MF->end(); I != E; ++I) {
     // If last instruction is a return instruction, add an epilogue
-    if (!I->empty() && I->back().getDesc()->isReturn()) {
+    if (!I->empty() && I->back().getDesc().isReturn()) {
       bool FoundIt = false;
       for (MBBI = I->end(); MBBI != I->begin(); ) {
         --MBBI;