blob: 4f5ead89eb02b2d41a159a7a1a69e24426e3a949 [file] [log] [blame]
// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/compiler/common-operator.h"
#include "src/assembler.h"
#include "src/base/lazy-instance.h"
#include "src/compiler/linkage.h"
#include "src/compiler/opcodes.h"
#include "src/compiler/operator.h"
#include "src/handles-inl.h"
#include "src/zone.h"
namespace v8 {
namespace internal {
namespace compiler {
std::ostream& operator<<(std::ostream& os, BranchHint hint) {
switch (hint) {
case BranchHint::kNone:
return os << "None";
case BranchHint::kTrue:
return os << "True";
case BranchHint::kFalse:
return os << "False";
}
UNREACHABLE();
return os;
}
BranchHint BranchHintOf(const Operator* const op) {
DCHECK_EQ(IrOpcode::kBranch, op->opcode());
return OpParameter<BranchHint>(op);
}
size_t hash_value(DeoptimizeKind kind) { return static_cast<size_t>(kind); }
std::ostream& operator<<(std::ostream& os, DeoptimizeKind kind) {
switch (kind) {
case DeoptimizeKind::kEager:
return os << "Eager";
case DeoptimizeKind::kSoft:
return os << "Soft";
}
UNREACHABLE();
return os;
}
DeoptimizeKind DeoptimizeKindOf(const Operator* const op) {
DCHECK_EQ(IrOpcode::kDeoptimize, op->opcode());
return OpParameter<DeoptimizeKind>(op);
}
size_t hash_value(IfExceptionHint hint) { return static_cast<size_t>(hint); }
std::ostream& operator<<(std::ostream& os, IfExceptionHint hint) {
switch (hint) {
case IfExceptionHint::kLocallyCaught:
return os << "Caught";
case IfExceptionHint::kLocallyUncaught:
return os << "Uncaught";
}
UNREACHABLE();
return os;
}
bool operator==(SelectParameters const& lhs, SelectParameters const& rhs) {
return lhs.representation() == rhs.representation() &&
lhs.hint() == rhs.hint();
}
bool operator!=(SelectParameters const& lhs, SelectParameters const& rhs) {
return !(lhs == rhs);
}
size_t hash_value(SelectParameters const& p) {
return base::hash_combine(p.representation(), p.hint());
}
std::ostream& operator<<(std::ostream& os, SelectParameters const& p) {
return os << p.representation() << "|" << p.hint();
}
SelectParameters const& SelectParametersOf(const Operator* const op) {
DCHECK_EQ(IrOpcode::kSelect, op->opcode());
return OpParameter<SelectParameters>(op);
}
CallDescriptor const* CallDescriptorOf(const Operator* const op) {
DCHECK(op->opcode() == IrOpcode::kCall ||
op->opcode() == IrOpcode::kTailCall);
return OpParameter<CallDescriptor const*>(op);
}
size_t ProjectionIndexOf(const Operator* const op) {
DCHECK_EQ(IrOpcode::kProjection, op->opcode());
return OpParameter<size_t>(op);
}
MachineRepresentation PhiRepresentationOf(const Operator* const op) {
DCHECK_EQ(IrOpcode::kPhi, op->opcode());
return OpParameter<MachineRepresentation>(op);
}
int ParameterIndexOf(const Operator* const op) {
DCHECK_EQ(IrOpcode::kParameter, op->opcode());
return OpParameter<ParameterInfo>(op).index();
}
const ParameterInfo& ParameterInfoOf(const Operator* const op) {
DCHECK_EQ(IrOpcode::kParameter, op->opcode());
return OpParameter<ParameterInfo>(op);
}
bool operator==(ParameterInfo const& lhs, ParameterInfo const& rhs) {
return lhs.index() == rhs.index();
}
bool operator!=(ParameterInfo const& lhs, ParameterInfo const& rhs) {
return !(lhs == rhs);
}
size_t hash_value(ParameterInfo const& p) { return p.index(); }
std::ostream& operator<<(std::ostream& os, ParameterInfo const& i) {
if (i.debug_name()) os << i.debug_name() << '#';
os << i.index();
return os;
}
bool operator==(RelocatablePtrConstantInfo const& lhs,
RelocatablePtrConstantInfo const& rhs) {
return lhs.rmode() == rhs.rmode() && lhs.value() == rhs.value() &&
lhs.type() == rhs.type();
}
bool operator!=(RelocatablePtrConstantInfo const& lhs,
RelocatablePtrConstantInfo const& rhs) {
return !(lhs == rhs);
}
size_t hash_value(RelocatablePtrConstantInfo const& p) {
return base::hash_combine(p.value(), p.rmode(), p.type());
}
std::ostream& operator<<(std::ostream& os,
RelocatablePtrConstantInfo const& p) {
return os << p.value() << "|" << p.rmode() << "|" << p.type();
}
size_t hash_value(RegionObservability observability) {
return static_cast<size_t>(observability);
}
std::ostream& operator<<(std::ostream& os, RegionObservability observability) {
switch (observability) {
case RegionObservability::kObservable:
return os << "observable";
case RegionObservability::kNotObservable:
return os << "not-observable";
}
UNREACHABLE();
return os;
}
RegionObservability RegionObservabilityOf(Operator const* op) {
DCHECK_EQ(IrOpcode::kBeginRegion, op->opcode());
return OpParameter<RegionObservability>(op);
}
std::ostream& operator<<(std::ostream& os,
const ZoneVector<MachineType>* types) {
// Print all the MachineTypes, separated by commas.
bool first = true;
for (MachineType elem : *types) {
if (!first) {
os << ", ";
}
first = false;
os << elem;
}
return os;
}
#define CACHED_OP_LIST(V) \
V(Dead, Operator::kFoldable, 0, 0, 0, 1, 1, 1) \
V(DeoptimizeIf, Operator::kFoldable, 2, 1, 1, 0, 1, 1) \
V(DeoptimizeUnless, Operator::kFoldable, 2, 1, 1, 0, 1, 1) \
V(IfTrue, Operator::kKontrol, 0, 0, 1, 0, 0, 1) \
V(IfFalse, Operator::kKontrol, 0, 0, 1, 0, 0, 1) \
V(IfSuccess, Operator::kKontrol, 0, 0, 1, 0, 0, 1) \
V(IfDefault, Operator::kKontrol, 0, 0, 1, 0, 0, 1) \
V(Throw, Operator::kKontrol, 1, 1, 1, 0, 0, 1) \
V(Terminate, Operator::kKontrol, 0, 1, 1, 0, 0, 1) \
V(OsrNormalEntry, Operator::kFoldable, 0, 1, 1, 0, 1, 1) \
V(OsrLoopEntry, Operator::kFoldable, 0, 1, 1, 0, 1, 1) \
V(Checkpoint, Operator::kKontrol, 0, 1, 1, 0, 1, 0) \
V(FinishRegion, Operator::kKontrol, 1, 1, 0, 1, 1, 0)
#define CACHED_RETURN_LIST(V) \
V(1) \
V(2) \
V(3)
#define CACHED_END_LIST(V) \
V(1) \
V(2) \
V(3) \
V(4) \
V(5) \
V(6) \
V(7) \
V(8)
#define CACHED_EFFECT_PHI_LIST(V) \
V(1) \
V(2) \
V(3) \
V(4) \
V(5) \
V(6)
#define CACHED_LOOP_LIST(V) \
V(1) \
V(2)
#define CACHED_MERGE_LIST(V) \
V(1) \
V(2) \
V(3) \
V(4) \
V(5) \
V(6) \
V(7) \
V(8)
#define CACHED_PARAMETER_LIST(V) \
V(0) \
V(1) \
V(2) \
V(3) \
V(4) \
V(5) \
V(6)
#define CACHED_PHI_LIST(V) \
V(kTagged, 1) \
V(kTagged, 2) \
V(kTagged, 3) \
V(kTagged, 4) \
V(kTagged, 5) \
V(kTagged, 6) \
V(kBit, 2) \
V(kFloat64, 2) \
V(kWord32, 2)
#define CACHED_PROJECTION_LIST(V) \
V(0) \
V(1)
#define CACHED_STATE_VALUES_LIST(V) \
V(0) \
V(1) \
V(2) \
V(3) \
V(4) \
V(5) \
V(6) \
V(7) \
V(8) \
V(10) \
V(11) \
V(12) \
V(13) \
V(14)
struct CommonOperatorGlobalCache final {
#define CACHED(Name, properties, value_input_count, effect_input_count, \
control_input_count, value_output_count, effect_output_count, \
control_output_count) \
struct Name##Operator final : public Operator { \
Name##Operator() \
: Operator(IrOpcode::k##Name, properties, #Name, value_input_count, \
effect_input_count, control_input_count, \
value_output_count, effect_output_count, \
control_output_count) {} \
}; \
Name##Operator k##Name##Operator;
CACHED_OP_LIST(CACHED)
#undef CACHED
template <DeoptimizeKind kKind>
struct DeoptimizeOperator final : public Operator1<DeoptimizeKind> {
DeoptimizeOperator()
: Operator1<DeoptimizeKind>( // --
IrOpcode::kDeoptimize, Operator::kNoThrow, // opcode
"Deoptimize", // name
1, 1, 1, 0, 0, 1, // counts
kKind) {} // parameter
};
DeoptimizeOperator<DeoptimizeKind::kEager> kDeoptimizeEagerOperator;
DeoptimizeOperator<DeoptimizeKind::kSoft> kDeoptimizeSoftOperator;
template <IfExceptionHint kCaughtLocally>
struct IfExceptionOperator final : public Operator1<IfExceptionHint> {
IfExceptionOperator()
: Operator1<IfExceptionHint>( // --
IrOpcode::kIfException, Operator::kKontrol, // opcode
"IfException", // name
0, 1, 1, 1, 1, 1, // counts
kCaughtLocally) {} // parameter
};
IfExceptionOperator<IfExceptionHint::kLocallyCaught> kIfExceptionCOperator;
IfExceptionOperator<IfExceptionHint::kLocallyUncaught> kIfExceptionUOperator;
template <size_t kInputCount>
struct EndOperator final : public Operator {
EndOperator()
: Operator( // --
IrOpcode::kEnd, Operator::kKontrol, // opcode
"End", // name
0, 0, kInputCount, 0, 0, 0) {} // counts
};
#define CACHED_END(input_count) \
EndOperator<input_count> kEnd##input_count##Operator;
CACHED_END_LIST(CACHED_END)
#undef CACHED_END
template <size_t kInputCount>
struct ReturnOperator final : public Operator {
ReturnOperator()
: Operator( // --
IrOpcode::kReturn, Operator::kNoThrow, // opcode
"Return", // name
kInputCount, 1, 1, 0, 0, 1) {} // counts
};
#define CACHED_RETURN(input_count) \
ReturnOperator<input_count> kReturn##input_count##Operator;
CACHED_RETURN_LIST(CACHED_RETURN)
#undef CACHED_RETURN
template <BranchHint kBranchHint>
struct BranchOperator final : public Operator1<BranchHint> {
BranchOperator()
: Operator1<BranchHint>( // --
IrOpcode::kBranch, Operator::kKontrol, // opcode
"Branch", // name
1, 0, 1, 0, 0, 2, // counts
kBranchHint) {} // parameter
};
BranchOperator<BranchHint::kNone> kBranchNoneOperator;
BranchOperator<BranchHint::kTrue> kBranchTrueOperator;
BranchOperator<BranchHint::kFalse> kBranchFalseOperator;
template <int kEffectInputCount>
struct EffectPhiOperator final : public Operator {
EffectPhiOperator()
: Operator( // --
IrOpcode::kEffectPhi, Operator::kPure, // opcode
"EffectPhi", // name
0, kEffectInputCount, 1, 0, 1, 0) {} // counts
};
#define CACHED_EFFECT_PHI(input_count) \
EffectPhiOperator<input_count> kEffectPhi##input_count##Operator;
CACHED_EFFECT_PHI_LIST(CACHED_EFFECT_PHI)
#undef CACHED_EFFECT_PHI
template <RegionObservability kRegionObservability>
struct BeginRegionOperator final : public Operator1<RegionObservability> {
BeginRegionOperator()
: Operator1<RegionObservability>( // --
IrOpcode::kBeginRegion, Operator::kKontrol, // opcode
"BeginRegion", // name
0, 1, 0, 0, 1, 0, // counts
kRegionObservability) {} // parameter
};
BeginRegionOperator<RegionObservability::kObservable>
kBeginRegionObservableOperator;
BeginRegionOperator<RegionObservability::kNotObservable>
kBeginRegionNotObservableOperator;
template <size_t kInputCount>
struct LoopOperator final : public Operator {
LoopOperator()
: Operator( // --
IrOpcode::kLoop, Operator::kKontrol, // opcode
"Loop", // name
0, 0, kInputCount, 0, 0, 1) {} // counts
};
#define CACHED_LOOP(input_count) \
LoopOperator<input_count> kLoop##input_count##Operator;
CACHED_LOOP_LIST(CACHED_LOOP)
#undef CACHED_LOOP
template <size_t kInputCount>
struct MergeOperator final : public Operator {
MergeOperator()
: Operator( // --
IrOpcode::kMerge, Operator::kKontrol, // opcode
"Merge", // name
0, 0, kInputCount, 0, 0, 1) {} // counts
};
#define CACHED_MERGE(input_count) \
MergeOperator<input_count> kMerge##input_count##Operator;
CACHED_MERGE_LIST(CACHED_MERGE)
#undef CACHED_MERGE
template <MachineRepresentation kRep, int kInputCount>
struct PhiOperator final : public Operator1<MachineRepresentation> {
PhiOperator()
: Operator1<MachineRepresentation>( //--
IrOpcode::kPhi, Operator::kPure, // opcode
"Phi", // name
kInputCount, 0, 1, 1, 0, 0, // counts
kRep) {} // parameter
};
#define CACHED_PHI(rep, input_count) \
PhiOperator<MachineRepresentation::rep, input_count> \
kPhi##rep##input_count##Operator;
CACHED_PHI_LIST(CACHED_PHI)
#undef CACHED_PHI
template <int kIndex>
struct ParameterOperator final : public Operator1<ParameterInfo> {
ParameterOperator()
: Operator1<ParameterInfo>( // --
IrOpcode::kParameter, Operator::kPure, // opcode
"Parameter", // name
1, 0, 0, 1, 0, 0, // counts,
ParameterInfo(kIndex, nullptr)) {} // parameter and name
};
#define CACHED_PARAMETER(index) \
ParameterOperator<index> kParameter##index##Operator;
CACHED_PARAMETER_LIST(CACHED_PARAMETER)
#undef CACHED_PARAMETER
template <size_t kIndex>
struct ProjectionOperator final : public Operator1<size_t> {
ProjectionOperator()
: Operator1<size_t>( // --
IrOpcode::kProjection, // opcode
Operator::kPure, // flags
"Projection", // name
1, 0, 1, 1, 0, 0, // counts,
kIndex) {} // parameter
};
#define CACHED_PROJECTION(index) \
ProjectionOperator<index> kProjection##index##Operator;
CACHED_PROJECTION_LIST(CACHED_PROJECTION)
#undef CACHED_PROJECTION
template <int kInputCount>
struct StateValuesOperator final : public Operator {
StateValuesOperator()
: Operator( // --
IrOpcode::kStateValues, // opcode
Operator::kPure, // flags
"StateValues", // name
kInputCount, 0, 0, 1, 0, 0) {} // counts
};
#define CACHED_STATE_VALUES(input_count) \
StateValuesOperator<input_count> kStateValues##input_count##Operator;
CACHED_STATE_VALUES_LIST(CACHED_STATE_VALUES)
#undef CACHED_STATE_VALUES
};
static base::LazyInstance<CommonOperatorGlobalCache>::type kCache =
LAZY_INSTANCE_INITIALIZER;
CommonOperatorBuilder::CommonOperatorBuilder(Zone* zone)
: cache_(kCache.Get()), zone_(zone) {}
#define CACHED(Name, properties, value_input_count, effect_input_count, \
control_input_count, value_output_count, effect_output_count, \
control_output_count) \
const Operator* CommonOperatorBuilder::Name() { \
return &cache_.k##Name##Operator; \
}
CACHED_OP_LIST(CACHED)
#undef CACHED
const Operator* CommonOperatorBuilder::End(size_t control_input_count) {
switch (control_input_count) {
#define CACHED_END(input_count) \
case input_count: \
return &cache_.kEnd##input_count##Operator;
CACHED_END_LIST(CACHED_END)
#undef CACHED_END
default:
break;
}
// Uncached.
return new (zone()) Operator( //--
IrOpcode::kEnd, Operator::kKontrol, // opcode
"End", // name
0, 0, control_input_count, 0, 0, 0); // counts
}
const Operator* CommonOperatorBuilder::Return(int value_input_count) {
switch (value_input_count) {
#define CACHED_RETURN(input_count) \
case input_count: \
return &cache_.kReturn##input_count##Operator;
CACHED_RETURN_LIST(CACHED_RETURN)
#undef CACHED_RETURN
default:
break;
}
// Uncached.
return new (zone()) Operator( //--
IrOpcode::kReturn, Operator::kNoThrow, // opcode
"Return", // name
value_input_count, 1, 1, 0, 0, 1); // counts
}
const Operator* CommonOperatorBuilder::Branch(BranchHint hint) {
switch (hint) {
case BranchHint::kNone:
return &cache_.kBranchNoneOperator;
case BranchHint::kTrue:
return &cache_.kBranchTrueOperator;
case BranchHint::kFalse:
return &cache_.kBranchFalseOperator;
}
UNREACHABLE();
return nullptr;
}
const Operator* CommonOperatorBuilder::Deoptimize(DeoptimizeKind kind) {
switch (kind) {
case DeoptimizeKind::kEager:
return &cache_.kDeoptimizeEagerOperator;
case DeoptimizeKind::kSoft:
return &cache_.kDeoptimizeSoftOperator;
}
UNREACHABLE();
return nullptr;
}
const Operator* CommonOperatorBuilder::IfException(IfExceptionHint hint) {
switch (hint) {
case IfExceptionHint::kLocallyCaught:
return &cache_.kIfExceptionCOperator;
case IfExceptionHint::kLocallyUncaught:
return &cache_.kIfExceptionUOperator;
}
UNREACHABLE();
return nullptr;
}
const Operator* CommonOperatorBuilder::Switch(size_t control_output_count) {
return new (zone()) Operator( // --
IrOpcode::kSwitch, Operator::kKontrol, // opcode
"Switch", // name
1, 0, 1, 0, 0, control_output_count); // counts
}
const Operator* CommonOperatorBuilder::IfValue(int32_t index) {
return new (zone()) Operator1<int32_t>( // --
IrOpcode::kIfValue, Operator::kKontrol, // opcode
"IfValue", // name
0, 0, 1, 0, 0, 1, // counts
index); // parameter
}
const Operator* CommonOperatorBuilder::Start(int value_output_count) {
return new (zone()) Operator( // --
IrOpcode::kStart, Operator::kFoldable, // opcode
"Start", // name
0, 0, 0, value_output_count, 1, 1); // counts
}
const Operator* CommonOperatorBuilder::Loop(int control_input_count) {
switch (control_input_count) {
#define CACHED_LOOP(input_count) \
case input_count: \
return &cache_.kLoop##input_count##Operator;
CACHED_LOOP_LIST(CACHED_LOOP)
#undef CACHED_LOOP
default:
break;
}
// Uncached.
return new (zone()) Operator( // --
IrOpcode::kLoop, Operator::kKontrol, // opcode
"Loop", // name
0, 0, control_input_count, 0, 0, 1); // counts
}
const Operator* CommonOperatorBuilder::Merge(int control_input_count) {
switch (control_input_count) {
#define CACHED_MERGE(input_count) \
case input_count: \
return &cache_.kMerge##input_count##Operator;
CACHED_MERGE_LIST(CACHED_MERGE)
#undef CACHED_MERGE
default:
break;
}
// Uncached.
return new (zone()) Operator( // --
IrOpcode::kMerge, Operator::kKontrol, // opcode
"Merge", // name
0, 0, control_input_count, 0, 0, 1); // counts
}
const Operator* CommonOperatorBuilder::Parameter(int index,
const char* debug_name) {
if (!debug_name) {
switch (index) {
#define CACHED_PARAMETER(index) \
case index: \
return &cache_.kParameter##index##Operator;
CACHED_PARAMETER_LIST(CACHED_PARAMETER)
#undef CACHED_PARAMETER
default:
break;
}
}
// Uncached.
return new (zone()) Operator1<ParameterInfo>( // --
IrOpcode::kParameter, Operator::kPure, // opcode
"Parameter", // name
1, 0, 0, 1, 0, 0, // counts
ParameterInfo(index, debug_name)); // parameter info
}
const Operator* CommonOperatorBuilder::OsrValue(int index) {
return new (zone()) Operator1<int>( // --
IrOpcode::kOsrValue, Operator::kNoProperties, // opcode
"OsrValue", // name
0, 0, 1, 1, 0, 0, // counts
index); // parameter
}
const Operator* CommonOperatorBuilder::Int32Constant(int32_t value) {
return new (zone()) Operator1<int32_t>( // --
IrOpcode::kInt32Constant, Operator::kPure, // opcode
"Int32Constant", // name
0, 0, 0, 1, 0, 0, // counts
value); // parameter
}
const Operator* CommonOperatorBuilder::Int64Constant(int64_t value) {
return new (zone()) Operator1<int64_t>( // --
IrOpcode::kInt64Constant, Operator::kPure, // opcode
"Int64Constant", // name
0, 0, 0, 1, 0, 0, // counts
value); // parameter
}
const Operator* CommonOperatorBuilder::Float32Constant(volatile float value) {
return new (zone()) Operator1<float>( // --
IrOpcode::kFloat32Constant, Operator::kPure, // opcode
"Float32Constant", // name
0, 0, 0, 1, 0, 0, // counts
value); // parameter
}
const Operator* CommonOperatorBuilder::Float64Constant(volatile double value) {
return new (zone()) Operator1<double>( // --
IrOpcode::kFloat64Constant, Operator::kPure, // opcode
"Float64Constant", // name
0, 0, 0, 1, 0, 0, // counts
value); // parameter
}
const Operator* CommonOperatorBuilder::ExternalConstant(
const ExternalReference& value) {
return new (zone()) Operator1<ExternalReference>( // --
IrOpcode::kExternalConstant, Operator::kPure, // opcode
"ExternalConstant", // name
0, 0, 0, 1, 0, 0, // counts
value); // parameter
}
const Operator* CommonOperatorBuilder::NumberConstant(volatile double value) {
return new (zone()) Operator1<double>( // --
IrOpcode::kNumberConstant, Operator::kPure, // opcode
"NumberConstant", // name
0, 0, 0, 1, 0, 0, // counts
value); // parameter
}
const Operator* CommonOperatorBuilder::HeapConstant(
const Handle<HeapObject>& value) {
return new (zone()) Operator1<Handle<HeapObject>>( // --
IrOpcode::kHeapConstant, Operator::kPure, // opcode
"HeapConstant", // name
0, 0, 0, 1, 0, 0, // counts
value); // parameter
}
const Operator* CommonOperatorBuilder::RelocatableInt32Constant(
int32_t value, RelocInfo::Mode rmode) {
return new (zone()) Operator1<RelocatablePtrConstantInfo>( // --
IrOpcode::kRelocatableInt32Constant, Operator::kPure, // opcode
"RelocatableInt32Constant", // name
0, 0, 0, 1, 0, 0, // counts
RelocatablePtrConstantInfo(value, rmode)); // parameter
}
const Operator* CommonOperatorBuilder::RelocatableInt64Constant(
int64_t value, RelocInfo::Mode rmode) {
return new (zone()) Operator1<RelocatablePtrConstantInfo>( // --
IrOpcode::kRelocatableInt64Constant, Operator::kPure, // opcode
"RelocatableInt64Constant", // name
0, 0, 0, 1, 0, 0, // counts
RelocatablePtrConstantInfo(value, rmode)); // parameter
}
const Operator* CommonOperatorBuilder::Select(MachineRepresentation rep,
BranchHint hint) {
return new (zone()) Operator1<SelectParameters>( // --
IrOpcode::kSelect, Operator::kPure, // opcode
"Select", // name
3, 0, 0, 1, 0, 0, // counts
SelectParameters(rep, hint)); // parameter
}
const Operator* CommonOperatorBuilder::Phi(MachineRepresentation rep,
int value_input_count) {
DCHECK(value_input_count > 0); // Disallow empty phis.
#define CACHED_PHI(kRep, kValueInputCount) \
if (MachineRepresentation::kRep == rep && \
kValueInputCount == value_input_count) { \
return &cache_.kPhi##kRep##kValueInputCount##Operator; \
}
CACHED_PHI_LIST(CACHED_PHI)
#undef CACHED_PHI
// Uncached.
return new (zone()) Operator1<MachineRepresentation>( // --
IrOpcode::kPhi, Operator::kPure, // opcode
"Phi", // name
value_input_count, 0, 1, 1, 0, 0, // counts
rep); // parameter
}
const Operator* CommonOperatorBuilder::EffectPhi(int effect_input_count) {
DCHECK(effect_input_count > 0); // Disallow empty effect phis.
switch (effect_input_count) {
#define CACHED_EFFECT_PHI(input_count) \
case input_count: \
return &cache_.kEffectPhi##input_count##Operator;
CACHED_EFFECT_PHI_LIST(CACHED_EFFECT_PHI)
#undef CACHED_EFFECT_PHI
default:
break;
}
// Uncached.
return new (zone()) Operator( // --
IrOpcode::kEffectPhi, Operator::kPure, // opcode
"EffectPhi", // name
0, effect_input_count, 1, 0, 1, 0); // counts
}
const Operator* CommonOperatorBuilder::BeginRegion(
RegionObservability region_observability) {
switch (region_observability) {
case RegionObservability::kObservable:
return &cache_.kBeginRegionObservableOperator;
case RegionObservability::kNotObservable:
return &cache_.kBeginRegionNotObservableOperator;
}
UNREACHABLE();
return nullptr;
}
const Operator* CommonOperatorBuilder::StateValues(int arguments) {
switch (arguments) {
#define CACHED_STATE_VALUES(arguments) \
case arguments: \
return &cache_.kStateValues##arguments##Operator;
CACHED_STATE_VALUES_LIST(CACHED_STATE_VALUES)
#undef CACHED_STATE_VALUES
default:
break;
}
// Uncached.
return new (zone()) Operator( // --
IrOpcode::kStateValues, Operator::kPure, // opcode
"StateValues", // name
arguments, 0, 0, 1, 0, 0); // counts
}
const Operator* CommonOperatorBuilder::ObjectState(int pointer_slots, int id) {
return new (zone()) Operator1<int>( // --
IrOpcode::kObjectState, Operator::kPure, // opcode
"ObjectState", // name
pointer_slots, 0, 0, 1, 0, 0, id); // counts
}
const Operator* CommonOperatorBuilder::TypedStateValues(
const ZoneVector<MachineType>* types) {
return new (zone()) Operator1<const ZoneVector<MachineType>*>( // --
IrOpcode::kTypedStateValues, Operator::kPure, // opcode
"TypedStateValues", // name
static_cast<int>(types->size()), 0, 0, 1, 0, 0, types); // counts
}
const Operator* CommonOperatorBuilder::FrameState(
BailoutId bailout_id, OutputFrameStateCombine state_combine,
const FrameStateFunctionInfo* function_info) {
FrameStateInfo state_info(bailout_id, state_combine, function_info);
return new (zone()) Operator1<FrameStateInfo>( // --
IrOpcode::kFrameState, Operator::kPure, // opcode
"FrameState", // name
5, 0, 0, 1, 0, 0, // counts
state_info); // parameter
}
const Operator* CommonOperatorBuilder::Call(const CallDescriptor* descriptor) {
class CallOperator final : public Operator1<const CallDescriptor*> {
public:
explicit CallOperator(const CallDescriptor* descriptor)
: Operator1<const CallDescriptor*>(
IrOpcode::kCall, descriptor->properties(), "Call",
descriptor->InputCount() + descriptor->FrameStateCount(),
Operator::ZeroIfPure(descriptor->properties()),
Operator::ZeroIfEliminatable(descriptor->properties()),
descriptor->ReturnCount(),
Operator::ZeroIfPure(descriptor->properties()),
Operator::ZeroIfNoThrow(descriptor->properties()), descriptor) {}
void PrintParameter(std::ostream& os) const override {
os << "[" << *parameter() << "]";
}
};
return new (zone()) CallOperator(descriptor);
}
const Operator* CommonOperatorBuilder::TailCall(
const CallDescriptor* descriptor) {
class TailCallOperator final : public Operator1<const CallDescriptor*> {
public:
explicit TailCallOperator(const CallDescriptor* descriptor)
: Operator1<const CallDescriptor*>(
IrOpcode::kTailCall, descriptor->properties(), "TailCall",
descriptor->InputCount() + descriptor->FrameStateCount(), 1, 1, 0,
0, 1, descriptor) {}
void PrintParameter(std::ostream& os) const override {
os << "[" << *parameter() << "]";
}
};
return new (zone()) TailCallOperator(descriptor);
}
const Operator* CommonOperatorBuilder::Projection(size_t index) {
switch (index) {
#define CACHED_PROJECTION(index) \
case index: \
return &cache_.kProjection##index##Operator;
CACHED_PROJECTION_LIST(CACHED_PROJECTION)
#undef CACHED_PROJECTION
default:
break;
}
// Uncached.
return new (zone()) Operator1<size_t>( // --
IrOpcode::kProjection, // opcode
Operator::kPure, // flags
"Projection", // name
1, 0, 1, 1, 0, 0, // counts
index); // parameter
}
const Operator* CommonOperatorBuilder::ResizeMergeOrPhi(const Operator* op,
int size) {
if (op->opcode() == IrOpcode::kPhi) {
return Phi(PhiRepresentationOf(op), size);
} else if (op->opcode() == IrOpcode::kEffectPhi) {
return EffectPhi(size);
} else if (op->opcode() == IrOpcode::kMerge) {
return Merge(size);
} else if (op->opcode() == IrOpcode::kLoop) {
return Loop(size);
} else {
UNREACHABLE();
return nullptr;
}
}
const FrameStateFunctionInfo*
CommonOperatorBuilder::CreateFrameStateFunctionInfo(
FrameStateType type, int parameter_count, int local_count,
Handle<SharedFunctionInfo> shared_info) {
return new (zone()->New(sizeof(FrameStateFunctionInfo)))
FrameStateFunctionInfo(type, parameter_count, local_count, shared_info);
}
} // namespace compiler
} // namespace internal
} // namespace v8