dart::ParallelMoveResolver Class Reference

#include <parallel_move_resolver.h>

Inheritance diagram for dart::ParallelMoveResolver:

Public Member Functions
	ParallelMoveResolver ()
void	Resolve (ParallelMoveInstr *parallel_move)
Public Member Functions inherited from dart::ValueObject
	ValueObject ()
	~ValueObject ()

Friends
class	MoveSchedule
class	ParallelMoveEmitter
class	FlowGraphDeserializer

Detailed Description

Definition at line 21 of file parallel_move_resolver.h.

Constructor & Destructor Documentation

ParallelMoveResolver()

dart::ParallelMoveResolver::ParallelMoveResolver

(

)

Definition at line 84 of file parallel_move_resolver.cc.

: moves_(32) {}

Member Function Documentation

Resolve()

void dart::ParallelMoveResolver::Resolve

(

ParallelMoveInstr *

parallel_move

)

Definition at line 86 of file parallel_move_resolver.cc.

                                                                   {
  ASSERT(moves_.is_empty());
 
  // Build up a worklist of moves.
  BuildInitialMoveList(parallel_move);
 
  const InstructionSource& move_source = InstructionSource(
      TokenPosition::kParallelMove, parallel_move->inlining_id());
  for (intptr_t i = 0; i < moves_.length(); ++i) {
    const MoveOperands& move = moves_[i];
    // Skip constants to perform them last.  They don't block other moves
    // and skipping such moves with register destinations keeps those
    // registers free for the whole algorithm.
    if (!move.IsEliminated() && !move.src().IsConstant()) {
      PerformMove(move_source, i);
    }
  }
 
  // Perform the moves with constant sources.
  for (const auto& move : moves_) {
    if (!move.IsEliminated()) {
      ASSERT(move.src().IsConstant());
      scheduled_ops_.Add({OpKind::kMove, move});
    }
  }
  moves_.Clear();
 
  // Schedule is ready. Update parallel move itself.
  parallel_move->set_move_schedule(MoveSchedule::From(scheduled_ops_));
  scheduled_ops_.Clear();
}

Friends And Related Symbol Documentation

FlowGraphDeserializer

friend class FlowGraphDeserializer

friend

Definition at line 64 of file parallel_move_resolver.h.

MoveSchedule

friend class MoveSchedule

friend

Definition at line 62 of file parallel_move_resolver.h.

ParallelMoveEmitter

friend class ParallelMoveEmitter

friend

Definition at line 63 of file parallel_move_resolver.h.

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

• third_party/dart-lang/sdk/runtime/vm/compiler/backend/parallel_move_resolver.h
• third_party/dart-lang/sdk/runtime/vm/compiler/backend/parallel_move_resolver.cc