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/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index 1e692c5..4965b1b 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -535,7 +535,7 @@
 
     // Finally, if the last instruction in the block is a return, make sure to mark
     // it as using all of the live-out values in the function.
-    if (!MBB->empty() && MBB->back().getDesc()->isReturn()) {
+    if (!MBB->empty() && MBB->back().getDesc().isReturn()) {
       MachineInstr *Ret = &MBB->back();
       for (MachineRegisterInfo::liveout_iterator
            I = MF->getRegInfo().liveout_begin(),