diff options
Diffstat (limited to 'include/llvm/CodeGen')
| -rw-r--r-- | include/llvm/CodeGen/MachineInstr.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index 3171af9..8efea62 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -250,8 +250,16 @@ public: /// the instruction's location and its intended destination. bool isSafeToMove(const TargetInstrInfo *TII, bool &SawStore); + /// isSafeToReMat - Return true if it's safe to rematerialize the specified + /// instruction which defined the specified register instead of copying it. bool isSafeToReMat(const TargetInstrInfo *TII, unsigned DstReg); + /// hasVolatileMemoryRef - Return true if this instruction may have a + /// volatile memory reference, or if the information describing the + /// memory reference is not available. Return false if it is known to + /// have no volatile memory references. + bool hasVolatileMemoryRef() const; + // // Debugging support // |