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

llvm-svn: 62600

1 files changed, 5 insertions, 6 deletions

diff --git a/llvm/lib/Target/CellSPU/SPUInstrInfo.h b/llvm/lib/Target/CellSPU/SPUInstrInfo.h
index bc57e155e53..7bbdfada12c 100644
--- a/llvm/lib/Target/CellSPU/SPUInstrInfo.h
+++ b/llvm/lib/Target/CellSPU/SPUInstrInfo.h
@@ -49,12 +49,11 @@ namespace llvm {
     /// This is used for addressing modes.
     virtual const TargetRegisterClass *getPointerRegClass() const;
 
-    // Return true if the instruction is a register to register move and
-    // leave the source and dest operands in the passed parameters.
-    //
-    virtual bool isMoveInstr(const MachineInstr& MI,
-                             unsigned& sourceReg,
-                             unsigned& destReg) const;
+    /// 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,
+                             unsigned &SrcSubIdx, unsigned &DstSubIdx) const;
 
     unsigned isLoadFromStackSlot(const MachineInstr *MI,
                                  int &FrameIndex) const;