Move a bunch more accessors from TargetInstrInfo to TargetInstrDescriptor


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45680 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 87c698b..7ab17bc 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -262,7 +262,7 @@
   
   // 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() && TII.isReturn(BB->back().getOpcode())) {
+    if (!BB->empty() && BB->back().getDesc()->isReturn()) {
       IP = BB->end(); --IP;
       
       // Skip over all terminator instructions, which are part of the return