diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h')
-rw-r--r-- | contrib/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/contrib/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h b/contrib/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h index b7ddafc..7067784 100644 --- a/contrib/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h +++ b/contrib/llvm/lib/CodeGen/AggressiveAntiDepBreaker.h @@ -23,13 +23,15 @@ #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineRegisterInfo.h" #include "llvm/CodeGen/ScheduleDAG.h" -#include "llvm/Target/TargetSubtarget.h" +#include "llvm/Target/TargetSubtargetInfo.h" #include "llvm/Target/TargetRegisterInfo.h" #include "llvm/ADT/BitVector.h" #include "llvm/ADT/SmallSet.h" #include <map> namespace llvm { +class RegisterClassInfo; + /// Class AggressiveAntiDepState /// Contains all the state necessary for anti-dep breaking. class AggressiveAntiDepState { @@ -117,11 +119,7 @@ namespace llvm { MachineRegisterInfo &MRI; const TargetInstrInfo *TII; const TargetRegisterInfo *TRI; - - /// AllocatableSet - The set of allocatable registers. - /// We'll be ignoring anti-dependencies on non-allocatable registers, - /// because they may not be safe to break. - const BitVector AllocatableSet; + const RegisterClassInfo &RegClassInfo; /// CriticalPathSet - The set of registers that should only be /// renamed if they are on the critical path. @@ -133,7 +131,8 @@ namespace llvm { public: AggressiveAntiDepBreaker(MachineFunction& MFi, - TargetSubtarget::RegClassVector& CriticalPathRCs); + const RegisterClassInfo &RCI, + TargetSubtargetInfo::RegClassVector& CriticalPathRCs); ~AggressiveAntiDepBreaker(); /// Start - Initialize anti-dep breaking for a new basic block. @@ -158,8 +157,8 @@ namespace llvm { void FinishBlock(); private: - typedef std::map<const TargetRegisterClass *, - TargetRegisterClass::const_iterator> RenameOrderType; + /// Keep track of a position in the allocation order for each regclass. + typedef std::map<const TargetRegisterClass *, unsigned> RenameOrderType; /// IsImplicitDefUse - Return true if MO represents a register /// that is both implicitly used and defined in MI |