[turbofan] Sanitize the Truncation query method names.

src/compiler/representation-change.cc

 // Copyright 2015 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/representation-change.h"
 
 #include <sstream>
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 260 matching lines @@
   }
   // Select the correct X -> Float32 operator.
   const Operator* op = nullptr;
   if (IsWord(output_rep)) {
     if (output_type->Is(Type::Signed32())) {
       // int32 -> float64 -> float32
       op = machine()->ChangeInt32ToFloat64();
       node = jsgraph()->graph()->NewNode(op, node);
       op = machine()->TruncateFloat64ToFloat32();
     } else if (output_type->Is(Type::Unsigned32()) ||
-               truncation.TruncatesToWord32()) {
+               truncation.IsUsedAsWord32()) {
       // Either the output is uint32 or the uses only care about the
       // low 32 bits (so we can pick uint32 safely).
 
       // uint32 -> float64 -> float32
       op = machine()->ChangeUint32ToFloat64();
       node = jsgraph()->graph()->NewNode(op, node);
       op = machine()->TruncateFloat64ToFloat32();
     }
   } else if (output_rep == MachineRepresentation::kTagged) {
     if (output_type->Is(Type::NumberOrOddball())) {
@@ skipping 41 matching lines @@
       default:
         break;
     }
   }
   // Select the correct X -> Float64 operator.
   const Operator* op = nullptr;
   if (IsWord(output_rep)) {
     if (output_type->Is(Type::Signed32())) {
       op = machine()->ChangeInt32ToFloat64();
     } else if (output_type->Is(Type::Unsigned32()) ||
-               use_info.truncation().TruncatesToWord32()) {
+               use_info.truncation().IsUsedAsWord32()) {
       // Either the output is uint32 or the uses only care about the
       // low 32 bits (so we can pick uint32 safely).
       op = machine()->ChangeUint32ToFloat64();
     }
   } else if (output_rep == MachineRepresentation::kBit) {
     op = machine()->ChangeUint32ToFloat64();
   } else if (output_rep == MachineRepresentation::kTagged) {
     if (output_type->Is(Type::Undefined())) {
       return jsgraph()->Float64Constant(
           std::numeric_limits<double>::quiet_NaN());
@@ skipping 54 matching lines @@
 
   // Select the correct X -> Word32 operator.
   const Operator* op = nullptr;
   if (output_rep == MachineRepresentation::kBit) {
     return node;  // Sloppy comparison -> word32
   } else if (output_rep == MachineRepresentation::kFloat64) {
     if (output_type->Is(Type::Unsigned32())) {
       op = machine()->ChangeFloat64ToUint32();
     } else if (output_type->Is(Type::Signed32())) {
       op = machine()->ChangeFloat64ToInt32();
-    } else if (use_info.truncation().TruncatesToWord32()) {
+    } else if (use_info.truncation().IsUsedAsWord32()) {
       op = machine()->TruncateFloat64ToWord32();
     } else if (use_info.type_check() == TypeCheckKind::kSigned32) {
       op = simplified()->CheckedFloat64ToInt32();
     }
   } else if (output_rep == MachineRepresentation::kFloat32) {
     node = InsertChangeFloat32ToFloat64(node);  // float32 -> float64 -> int32
     if (output_type->Is(Type::Unsigned32())) {
       op = machine()->ChangeFloat64ToUint32();
     } else if (output_type->Is(Type::Signed32())) {
       op = machine()->ChangeFloat64ToInt32();
-    } else if (use_info.truncation().TruncatesToWord32()) {
+    } else if (use_info.truncation().IsUsedAsWord32()) {
       op = machine()->TruncateFloat64ToWord32();
     } else if (use_info.type_check() == TypeCheckKind::kSigned32) {
       op = simplified()->CheckedFloat64ToInt32();
     }
   } else if (output_rep == MachineRepresentation::kTagged) {
     if (output_type->Is(Type::TaggedSigned())) {
       op = simplified()->ChangeTaggedSignedToInt32();
     } else if (output_type->Is(Type::Unsigned32())) {
       op = simplified()->ChangeTaggedToUint32();
     } else if (output_type->Is(Type::Signed32())) {
       op = simplified()->ChangeTaggedToInt32();
-    } else if (use_info.truncation().TruncatesToWord32()) {
+    } else if (use_info.truncation().IsUsedAsWord32()) {
       op = simplified()->TruncateTaggedToWord32();
     } else if (use_info.type_check() == TypeCheckKind::kSigned32) {
       op = simplified()->CheckedTaggedToInt32();
     }
   } else if (output_rep == MachineRepresentation::kWord32) {
     // Only the checked case should get here, the non-checked case is
     // handled in GetRepresentationFor.
     DCHECK(use_info.type_check() == TypeCheckKind::kSigned32);
     if (output_type->Is(Type::Signed32())) {
       return node;
@@ skipping 84 matching lines @@
     if (output_type->Is(Type::Unsigned32())) {
       op = simplified()->CheckedUint32ToInt32();
     }
   } else if (output_rep == MachineRepresentation::kBit) {
     return node;  // Sloppy comparison -> word32
   } else if (output_rep == MachineRepresentation::kFloat64) {
     if (output_type->Is(Type::Unsigned32())) {
       op = machine()->ChangeFloat64ToUint32();
     } else if (output_type->Is(Type::Signed32())) {
       op = machine()->ChangeFloat64ToInt32();
-    } else if (truncation.TruncatesToWord32()) {
+    } else if (truncation.IsUsedAsWord32()) {
       op = machine()->TruncateFloat64ToWord32();
     } else if (check == TypeCheckKind::kSigned32) {
       op = simplified()->CheckedFloat64ToInt32();
     }
   } else if (output_rep == MachineRepresentation::kFloat32) {
     node = InsertChangeFloat32ToFloat64(node);  // float32 -> float64 -> int32
     if (output_type->Is(Type::Unsigned32())) {
       op = machine()->ChangeFloat64ToUint32();
     } else if (output_type->Is(Type::Signed32())) {
       op = machine()->ChangeFloat64ToInt32();
-    } else if (truncation.TruncatesToWord32()) {
+    } else if (truncation.IsUsedAsWord32()) {
       op = machine()->TruncateFloat64ToWord32();
     } else if (check == TypeCheckKind::kSigned32) {
       op = simplified()->CheckedFloat64ToInt32();
     }
   } else if (output_rep == MachineRepresentation::kTagged) {
     if (output_type->Is(Type::TaggedSigned())) {
       op = simplified()->ChangeTaggedSignedToInt32();
     } else if (output_type->Is(Type::Unsigned32())) {
       op = simplified()->ChangeTaggedToUint32();
     } else if (output_type->Is(Type::Signed32())) {
       op = simplified()->ChangeTaggedToInt32();
-    } else if (truncation.TruncatesToWord32()) {
+    } else if (truncation.IsUsedAsWord32()) {
       op = simplified()->TruncateTaggedToWord32();
     } else if (check == TypeCheckKind::kSigned32) {
       op = simplified()->CheckedTaggedToInt32();
     }
   }
   if (op == nullptr) {
     return TypeError(node, output_rep, output_type,
                      MachineRepresentation::kWord32);
   }
   if (op->ControlInputCount() > 0) {
@@ skipping 234 matching lines @@
 }
 
 Node* RepresentationChanger::InsertChangeTaggedToFloat64(Node* node) {
   return jsgraph()->graph()->NewNode(simplified()->ChangeTaggedToFloat64(),
                                      node);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8