diff options
| -rw-r--r-- | include/llvm/Target/TargetInstrInfo.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h index 2d73dbf83c..c73fdfb46c 100644 --- a/include/llvm/Target/TargetInstrInfo.h +++ b/include/llvm/Target/TargetInstrInfo.h @@ -415,6 +415,13 @@ public: return false; } + /// CanBeDuplicated - Returns true if the instruction can be duplicated + /// without causing unforseenable side-effect (e.g. instructions with unique + /// labels attached). + virtual bool CanBeDuplicated(const MachineInstr *MI) const { + return false; + } + /// isUnpredicatedTerminator - Returns true if the instruction is a /// terminator instruction that has not been predicated. virtual bool isUnpredicatedTerminator(const MachineInstr *MI) const; |