diff options
Diffstat (limited to 'lib/CodeGen/CriticalAntiDepBreaker.h')
-rw-r--r-- | lib/CodeGen/CriticalAntiDepBreaker.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/CodeGen/CriticalAntiDepBreaker.h b/lib/CodeGen/CriticalAntiDepBreaker.h index 496888d45f9d..9e8db022621a 100644 --- a/lib/CodeGen/CriticalAntiDepBreaker.h +++ b/lib/CodeGen/CriticalAntiDepBreaker.h @@ -64,11 +64,12 @@ namespace llvm { public: CriticalAntiDepBreaker(MachineFunction& MFi); ~CriticalAntiDepBreaker(); - + /// Start - Initialize anti-dep breaking for a new basic block. void StartBlock(MachineBasicBlock *BB); - /// BreakAntiDependencies - Identifiy anti-dependencies along the critical path + /// BreakAntiDependencies - Identifiy anti-dependencies along the critical + /// path /// of the ScheduleDAG and break them by renaming registers. /// unsigned BreakAntiDependencies(std::vector<SUnit>& SUnits, @@ -87,7 +88,8 @@ namespace llvm { private: void PrescanInstruction(MachineInstr *MI); void ScanInstruction(MachineInstr *MI, unsigned Count); - unsigned findSuitableFreeRegister(unsigned AntiDepReg, + unsigned findSuitableFreeRegister(MachineInstr *MI, + unsigned AntiDepReg, unsigned LastNewReg, const TargetRegisterClass *); }; |