diff options
Diffstat (limited to 'deps/v8/src/compiler/representation-change.h')
| -rw-r--r-- | deps/v8/src/compiler/representation-change.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/deps/v8/src/compiler/representation-change.h b/deps/v8/src/compiler/representation-change.h index fac328072a..f27108ed46 100644 --- a/deps/v8/src/compiler/representation-change.h +++ b/deps/v8/src/compiler/representation-change.h @@ -29,6 +29,9 @@ class Truncation final { // Queries. bool IsUnused() const { return kind_ == TruncationKind::kNone; } + bool IsUsedAsBool() const { + return LessGeneral(kind_, TruncationKind::kBool); + } bool IsUsedAsWord32() const { return LessGeneral(kind_, TruncationKind::kWord32); } @@ -139,8 +142,18 @@ class UseInfo { static UseInfo AnyTagged() { return UseInfo(MachineRepresentation::kTagged, Truncation::Any()); } + static UseInfo TaggedSigned() { + return UseInfo(MachineRepresentation::kTaggedSigned, Truncation::Any()); + } + static UseInfo TaggedPointer() { + return UseInfo(MachineRepresentation::kTaggedPointer, Truncation::Any()); + } // Possibly deoptimizing conversions. + static UseInfo CheckedSignedSmallAsTaggedSigned() { + return UseInfo(MachineRepresentation::kTaggedSigned, Truncation::Any(), + TypeCheckKind::kSignedSmall); + } static UseInfo CheckedSignedSmallAsWord32() { return UseInfo(MachineRepresentation::kWord32, Truncation::Any(), TypeCheckKind::kSignedSmall); @@ -232,8 +245,15 @@ class RepresentationChanger final { bool testing_type_errors_; // If {true}, don't abort on a type error. bool type_error_; // Set when a type error is detected. + Node* GetTaggedSignedRepresentationFor(Node* node, + MachineRepresentation output_rep, + Type* output_type, Node* use_node, + UseInfo use_info); + Node* GetTaggedPointerRepresentationFor(Node* node, + MachineRepresentation output_rep, + Type* output_type); Node* GetTaggedRepresentationFor(Node* node, MachineRepresentation output_rep, - Type* output_type); + Type* output_type, Truncation truncation); Node* GetFloat32RepresentationFor(Node* node, MachineRepresentation output_rep, Type* output_type, Truncation truncation); @@ -251,6 +271,7 @@ class RepresentationChanger final { Node* TypeError(Node* node, MachineRepresentation output_rep, Type* output_type, MachineRepresentation use); Node* MakeTruncatedInt32Constant(double value); + Node* InsertChangeBitToTagged(Node* node); Node* InsertChangeFloat32ToFloat64(Node* node); Node* InsertChangeFloat64ToInt32(Node* node); Node* InsertChangeFloat64ToUint32(Node* node); |