dart::UnaryIntegerOpInstr Class Reference

#include <il.h>

Inheritance diagram for dart::UnaryIntegerOpInstr:

Public Member Functions
	UnaryIntegerOpInstr (Token::Kind op_kind, Value *value, intptr_t deopt_id)
Value *	value () const
Token::Kind	op_kind () const
virtual Definition *	Canonicalize (FlowGraph *flow_graph)
virtual bool	AttributesEqual (const Instruction &other) const
virtual intptr_t	DeoptimizationTarget () const
Public Member Functions inherited from dart::TemplateDefinition< 1, NoThrow, Pure >
	TemplateDefinition (intptr_t deopt_id=DeoptId::kNone)
	TemplateDefinition (const InstructionSource &source, intptr_t deopt_id=DeoptId::kNone)
virtual intptr_t	InputCount () const
virtual Value *	InputAt (intptr_t i) const
virtual bool	MayThrow () const

Static Public Member Functions
static UnaryIntegerOpInstr *	Make (Representation representation, Token::Kind op_kind, Value *value, intptr_t deopt_id, SpeculativeMode speculative_mode, Range *range)

Additional Inherited Members
Public Types inherited from dart::TemplateDefinition< 1, NoThrow, Pure >
using	BaseClass = typename Pure< Definition, PureDefinition >::Base
Protected Attributes inherited from dart::TemplateDefinition< 1, NoThrow, Pure >
EmbeddedArray< Value *, N >	inputs_

Detailed Description

Definition at line 9177 of file il.h.

Constructor & Destructor Documentation

UnaryIntegerOpInstr()

dart::UnaryIntegerOpInstr::UnaryIntegerOpInstr ( Token::Kind  op_kind, Value *  value, intptr_t  deopt_id  )

inline

Definition at line 9179 of file il.h.

      : TemplateDefinition(deopt_id), op_kind_(op_kind) {
    ASSERT((op_kind == Token::kNEGATE) || (op_kind == Token::kBIT_NOT));
    SetInputAt(0, value);
  }

Member Function Documentation

AttributesEqual()

virtual bool dart::UnaryIntegerOpInstr::AttributesEqual ( const Instruction &  other ) const

inlinevirtual

Reimplemented in dart::UnaryInt64OpInstr.

Definition at line 9197 of file il.h.

                                                               {
    return other.AsUnaryIntegerOp()->op_kind() == op_kind();
  }

Canonicalize()

Definition * dart::UnaryIntegerOpInstr::Canonicalize ( FlowGraph *  flow_graph )

virtual

Definition at line 2384 of file il.cc.

                                                                   {
  // If range analysis has already determined a single possible value for
  // this operation, then replace it if possible.
  if (RangeUtils::IsSingleton(range()) && CanReplaceWithConstant()) {
    const auto& value =
        Integer::Handle(Integer::NewCanonical(range()->Singleton()));
    auto* const replacement =
        flow_graph->TryCreateConstantReplacementFor(this, value);
    if (replacement != this) {
      return replacement;
    }
  }
 
  return this;
}

DeoptimizationTarget()

virtual intptr_t dart::UnaryIntegerOpInstr::DeoptimizationTarget ( ) const

inlinevirtual

Definition at line 9201 of file il.h.

                                                {
    // Direct access since this instruction cannot deoptimize, and the deopt-id
    // was inherited from another instruction that could deoptimize.
    return GetDeoptId();
  }

Make()

UnaryIntegerOpInstr * dart::UnaryIntegerOpInstr::Make ( Representation  representation, Token::Kind  op_kind, Value *  value, intptr_t  deopt_id, SpeculativeMode  speculative_mode, Range *  range  )

static

Definition at line 2248 of file il.cc.

                                                             {
  UnaryIntegerOpInstr* op = nullptr;
  switch (representation) {
    case kTagged:
      op = new UnarySmiOpInstr(op_kind, value, deopt_id);
      break;
    case kUnboxedInt32:
      return nullptr;
    case kUnboxedUint32:
      op = new UnaryUint32OpInstr(op_kind, value, deopt_id);
      break;
    case kUnboxedInt64:
      op = new UnaryInt64OpInstr(op_kind, value, deopt_id, speculative_mode);
      break;
    default:
      UNREACHABLE();
      return nullptr;
  }
 
  if (op == nullptr) {
    return op;
  }
 
  if (!Range::IsUnknown(range)) {
    op->set_range(*range);
  }
 
  ASSERT(op->representation() == representation);
  return op;
}

op_kind()

Token::Kind dart::UnaryIntegerOpInstr::op_kind ( ) const

inline

Definition at line 9193 of file il.h.

{ return op_kind_; }

value()

Value * dart::UnaryIntegerOpInstr::value ( ) const

inline

Definition at line 9192 of file il.h.

{ return inputs_[0]; }

---

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

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