| //===-- Thumb2HazardRecognizer.h - Thumb2 Hazard Recognizers ----*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines hazard recognizers for scheduling Thumb2 functions on |
| // ARM processors. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef THUMB2HAZARDRECOGNIZER_H |
| #define THUMB2HAZARDRECOGNIZER_H |
| |
| #include "llvm/CodeGen/PostRAHazardRecognizer.h" |
| |
| namespace llvm { |
| |
| class MachineInstr; |
| |
| class Thumb2HazardRecognizer : public PostRAHazardRecognizer { |
| unsigned ITBlockSize; // No. of MIs in current IT block yet to be scheduled. |
| MachineInstr *ITBlockMIs[4]; |
| |
| public: |
| Thumb2HazardRecognizer(const InstrItineraryData *ItinData) : |
| PostRAHazardRecognizer(ItinData) {} |
| |
| virtual HazardType getHazardType(SUnit *SU); |
| virtual void Reset(); |
| virtual void EmitInstruction(SUnit *SU); |
| }; |
| |
| |
| } // end namespace llvm |
| |
| #endif // THUMB2HAZARDRECOGNIZER_H |