LLVM  3.7.0
Public Member Functions | List of all members
llvm::VLIWResourceModel Class Reference

#include <HexagonMachineScheduler.h>

Public Member Functions

 VLIWResourceModel (const TargetSubtargetInfo &STI, const TargetSchedModel *SM)
 
 ~VLIWResourceModel ()
 
void resetPacketState ()
 
void resetDFA ()
 
void reset ()
 
bool isResourceAvailable (SUnit *SU)
 Check if scheduling of this SU is possible in the current packet. More...
 
bool reserveResources (SUnit *SU)
 Keep track of available resources. More...
 
unsigned getTotalPackets () const
 

Detailed Description

Definition at line 41 of file HexagonMachineScheduler.h.

Constructor & Destructor Documentation

llvm::VLIWResourceModel::VLIWResourceModel ( const TargetSubtargetInfo STI,
const TargetSchedModel SM 
)
inline
llvm::VLIWResourceModel::~VLIWResourceModel ( )
inline

Definition at line 70 of file HexagonMachineScheduler.h.

Member Function Documentation

unsigned llvm::VLIWResourceModel::getTotalPackets ( ) const
inline

Definition at line 89 of file HexagonMachineScheduler.h.

bool VLIWResourceModel::isResourceAvailable ( SUnit SU)

Check if scheduling of this SU is possible in the current packet.

It is not precise (statefull), it is more like another heuristic. Many corner cases are figured empirically.

Definition at line 43 of file HexagonMachineScheduler.cpp.

References llvm::DFAPacketizer::canReserveResources(), llvm::TargetOpcode::COPY, llvm::TargetOpcode::EXTRACT_SUBREG, llvm::SUnit::getInstr(), llvm::MachineInstr::getOpcode(), I, llvm::TargetOpcode::IMPLICIT_DEF, llvm::TargetOpcode::INLINEASM, llvm::TargetOpcode::INSERT_SUBREG, llvm::TargetOpcode::REG_SEQUENCE, and llvm::TargetOpcode::SUBREG_TO_REG.

Referenced by reserveResources().

bool VLIWResourceModel::reserveResources ( SUnit SU)
void llvm::VLIWResourceModel::reset ( )
inline

Definition at line 82 of file HexagonMachineScheduler.h.

References llvm::DFAPacketizer::clearResources().

void llvm::VLIWResourceModel::resetDFA ( )
inline

Definition at line 78 of file HexagonMachineScheduler.h.

References llvm::DFAPacketizer::clearResources().

void llvm::VLIWResourceModel::resetPacketState ( )
inline

Definition at line 74 of file HexagonMachineScheduler.h.


The documentation for this class was generated from the following files: