Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62600 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CellSPU/SPUInstrInfo.cpp b/lib/Target/CellSPU/SPUInstrInfo.cpp
index fa6e33b..5802eb6 100644
--- a/lib/Target/CellSPU/SPUInstrInfo.cpp
+++ b/lib/Target/CellSPU/SPUInstrInfo.cpp
@@ -64,7 +64,10 @@
 bool
 SPUInstrInfo::isMoveInstr(const MachineInstr& MI,
                           unsigned& sourceReg,
-                          unsigned& destReg) const {
+                          unsigned& destReg,
+                          unsigned& SrcSR, unsigned& DstSR) const {
+  SrcSR = DstSR = 0;  // No sub-registers.
+
   // Primarily, ORI and OR are generated by copyRegToReg. But, there are other
   // cases where we can safely say that what's being done is really a move
   // (see how PowerPC does this -- it's the model for this code too.)