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/Alpha/AlphaInstrInfo.h b/lib/Target/Alpha/AlphaInstrInfo.h
index f04c488..85f5a54 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.h
+++ b/lib/Target/Alpha/AlphaInstrInfo.h
@@ -30,11 +30,11 @@
///
virtual const AlphaRegisterInfo &getRegisterInfo() const { return RI; }
- /// Return true if the instruction is a register to register move and
- /// leave the source and dest operands in the passed parameters.
- ///
+ /// Return true if the instruction is a register to register move and return
+ /// the source and dest operands and their sub-register indices by reference.
virtual bool isMoveInstr(const MachineInstr &MI,
- unsigned &SrcReg, unsigned &DstReg) const;
+ unsigned &SrcReg, unsigned &DstReg,
+ unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
virtual unsigned isLoadFromStackSlot(const MachineInstr *MI,
int &FrameIndex) const;