diff options
Diffstat (limited to 'include/llvm/Target')
| -rw-r--r-- | include/llvm/Target/TargetSubtargetInfo.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/include/llvm/Target/TargetSubtargetInfo.h b/include/llvm/Target/TargetSubtargetInfo.h index 90b46ed..08c78f2 100644 --- a/include/llvm/Target/TargetSubtargetInfo.h +++ b/include/llvm/Target/TargetSubtargetInfo.h @@ -14,15 +14,16 @@ #ifndef LLVM_TARGET_TARGETSUBTARGETINFO_H #define LLVM_TARGET_TARGETSUBTARGETINFO_H -#include "llvm/CodeGen/TargetSchedule.h" #include "llvm/MC/MCSubtargetInfo.h" #include "llvm/Support/CodeGen.h" namespace llvm { +class MachineInstr; class SDep; class SUnit; class TargetRegisterClass; +class TargetSchedModel; template <typename T> class SmallVectorImpl; //===----------------------------------------------------------------------===// @@ -44,13 +45,13 @@ public: virtual ~TargetSubtargetInfo(); - /// Initialize a copy of the scheduling model for this subtarget. - /// TargetSchedModel provides the interface for the subtarget's - /// instruction scheduling information. - void initSchedModel(TargetSchedModel &SchedModel, - const TargetInstrInfo *TII) const { - // getSchedModel returns the static MCSchedModel initialized by InitMCSubtargetInfo. - SchedModel.init(*getSchedModel(), this, TII); + /// Resolve a SchedClass at runtime, where SchedClass identifies an + /// MCSchedClassDesc with the isVariant property. This may return the ID of + /// another variant SchedClass, but repeated invocation must quickly terminate + /// in a nonvariant SchedClass. + virtual unsigned resolveSchedClass(unsigned SchedClass, const MachineInstr *MI, + const TargetSchedModel* SchedModel) const { + return 0; } /// getSpecialAddressLatency - For targets where it is beneficial to |