Make TargetInstrInfo::copyRegToReg return a bool indicating whether the copy requested
was inserted or not. This allows bitcast in fast isel to properly handle the case
where an appropriate reg-to-reg copy is not available.
llvm-svn: 55375
diff --git a/llvm/lib/Target/Alpha/AlphaInstrInfo.h b/llvm/lib/Target/Alpha/AlphaInstrInfo.h
index ccfa429..9aa5ecd 100644
--- a/llvm/lib/Target/Alpha/AlphaInstrInfo.h
+++ b/llvm/lib/Target/Alpha/AlphaInstrInfo.h
@@ -42,7 +42,7 @@
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const SmallVectorImpl<MachineOperand> &Cond) const;
- virtual void copyRegToReg(MachineBasicBlock &MBB,
+ virtual bool copyRegToReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *DestRC,