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/Sparc/SparcInstrInfo.cpp b/lib/Target/Sparc/SparcInstrInfo.cpp
index 8601cbe..a6cee0e 100644
--- a/lib/Target/Sparc/SparcInstrInfo.cpp
+++ b/lib/Target/Sparc/SparcInstrInfo.cpp
@@ -33,7 +33,10 @@
 /// leave the source and dest operands in the passed parameters.
 ///
 bool SparcInstrInfo::isMoveInstr(const MachineInstr &MI,
-                                 unsigned &SrcReg, unsigned &DstReg) const {
+                                 unsigned &SrcReg, unsigned &DstReg,
+                                 unsigned &SrcSR, unsigned &DstSR) const {
+  SrcSR = DstSR = 0; // No sub-registers.
+
   // We look for 3 kinds of patterns here:
   // or with G0 or 0
   // add with G0 or 0