class MachineTraceMetrics::Ensemble

Declaration

class MachineTraceMetrics::Ensemble { /* full declaration omitted */ };

Description

A trace ensemble is a collection of traces selected using the same strategy, for example 'minimum resource height'. There is one trace for every block in the function.

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:321

Member Variables

protected llvm::MachineTraceMetrics& MTM

Method Overview

• protected Ensemble(llvm::MachineTraceMetrics *)
• protected const llvm::MachineTraceMetrics::TraceBlockInfo * getDepthResources(const llvm::MachineBasicBlock *) const
• protected const llvm::MachineTraceMetrics::TraceBlockInfo * getHeightResources(const llvm::MachineBasicBlock *) const
• protected const llvm::MachineLoop * getLoopFor(const llvm::MachineBasicBlock *) const
• public virtual const char * getName() const
• protected ArrayRef<unsigned int> getProcResourceDepths(unsigned int MBBNum) const
• protected ArrayRef<unsigned int> getProcResourceHeights(unsigned int MBBNum) const
• public llvm::MachineTraceMetrics::Trace getTrace(const llvm::MachineBasicBlock * MBB)
• public void invalidate(const llvm::MachineBasicBlock * MBB)
• protected virtual const llvm::MachineBasicBlock * pickTracePred(const llvm::MachineBasicBlock *)
• protected virtual const llvm::MachineBasicBlock * pickTraceSucc(const llvm::MachineBasicBlock *)
• public void print(llvm::raw_ostream &) const
• public void updateDepth(const llvm::MachineBasicBlock *, const llvm::MachineInstr &, SparseSet<llvm::LiveRegUnit> & RegUnits)
• public void updateDepth(llvm::MachineTraceMetrics::TraceBlockInfo & TBI, const llvm::MachineInstr &, SparseSet<llvm::LiveRegUnit> & RegUnits)
• public void updateDepths(MachineBasicBlock::iterator Start, MachineBasicBlock::iterator End, SparseSet<llvm::LiveRegUnit> & RegUnits)
• public void verify() const
• public virtual ~Ensemble()

Methods

¶Ensemble(llvm::MachineTraceMetrics*)

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:341

Parameters

llvm::MachineTraceMetrics*

¶const llvm::MachineTraceMetrics::TraceBlockInfo*
getDepthResources(
    const llvm::MachineBasicBlock*) const

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:346

Parameters

const llvm::MachineBasicBlock*

¶const llvm::MachineTraceMetrics::TraceBlockInfo*
getHeightResources(
    const llvm::MachineBasicBlock*) const

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:347

Parameters

const llvm::MachineBasicBlock*

¶const llvm::MachineLoop* getLoopFor(
    const llvm::MachineBasicBlock*) const

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:345

Parameters

const llvm::MachineBasicBlock*

¶virtual const char* getName() const

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:354

¶ArrayRef<unsigned int> getProcResourceDepths(
    unsigned int MBBNum) const

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:348

Parameters

unsigned int MBBNum

¶ArrayRef<unsigned int> getProcResourceHeights(
    unsigned int MBBNum) const

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:349

Parameters

unsigned int MBBNum

¶llvm::MachineTraceMetrics::Trace getTrace(
    const llvm::MachineBasicBlock* MBB)

Description

Get the trace that passes through MBB. The trace is computed on demand.

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:361

Parameters

const llvm::MachineBasicBlock* MBB

¶void invalidate(
    const llvm::MachineBasicBlock* MBB)

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:356

Parameters

const llvm::MachineBasicBlock* MBB

¶virtual const llvm::MachineBasicBlock*
pickTracePred(const llvm::MachineBasicBlock*)

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:343

Parameters

const llvm::MachineBasicBlock*

¶virtual const llvm::MachineBasicBlock*
pickTraceSucc(const llvm::MachineBasicBlock*)

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:344

Parameters

const llvm::MachineBasicBlock*

¶void print(llvm::raw_ostream&) const

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:355

Parameters

llvm::raw_ostream&

¶void updateDepth(
    const llvm::MachineBasicBlock*,
    const llvm::MachineInstr&,
    SparseSet<llvm::LiveRegUnit>& RegUnits)

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:366

Parameters

const llvm::MachineBasicBlock*

const llvm::MachineInstr&

SparseSet<llvm::LiveRegUnit>& RegUnits

¶void updateDepth(
    llvm::MachineTraceMetrics::TraceBlockInfo&
        TBI,
    const llvm::MachineInstr&,
    SparseSet<llvm::LiveRegUnit>& RegUnits)

Description

Updates the depth of an machine instruction, given RegUnits.

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:364

Parameters

llvm::MachineTraceMetrics::TraceBlockInfo& TBI

const llvm::MachineInstr&

SparseSet<llvm::LiveRegUnit>& RegUnits

¶void updateDepths(
    MachineBasicBlock::iterator Start,
    MachineBasicBlock::iterator End,
    SparseSet<llvm::LiveRegUnit>& RegUnits)

Description

Updates the depth of the instructions from Start to End.

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:370

Parameters

MachineBasicBlock::iterator Start

MachineBasicBlock::iterator End

SparseSet<llvm::LiveRegUnit>& RegUnits

¶void verify() const

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:357

¶virtual ~Ensemble()

Declared at: llvm/include/llvm/CodeGen/MachineTraceMetrics.h:352