[turbofan] Move ChangeTaggedToFoo lowerings to EffectControlLinearizer.

src/compiler/effect-control-linearizer.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/effect-control-linearizer.h"
 
 #include "src/code-factory.h"
 #include "src/compiler/access-builder.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/linkage.h"
@@ skipping 337 matching lines @@
   switch (node->opcode()) {
     case IrOpcode::kChangeInt32ToTagged:
       state = LowerChangeInt32ToTagged(node, *effect, *control);
       break;
     case IrOpcode::kChangeUint32ToTagged:
       state = LowerChangeUint32ToTagged(node, *effect, *control);
       break;
     case IrOpcode::kChangeFloat64ToTagged:
       state = LowerChangeFloat64ToTagged(node, *effect, *control);
       break;
+    case IrOpcode::kChangeTaggedToInt32:
+      state = LowerChangeTaggedToInt32(node, *effect, *control);
+      break;
+    case IrOpcode::kChangeTaggedToUint32:
+      state = LowerChangeTaggedToUint32(node, *effect, *control);
+      break;
+    case IrOpcode::kChangeTaggedToFloat64:
+      state = LowerChangeTaggedToFloat64(node, *effect, *control);
+      break;
+    case IrOpcode::kTruncateTaggedToWord32:
+      state = LowerTruncateTaggedToWord32(node, *effect, *control);
+      break;
     case IrOpcode::kObjectIsCallable:
       state = LowerObjectIsCallable(node, *effect, *control);
       break;
     case IrOpcode::kObjectIsNumber:
       state = LowerObjectIsNumber(node, *effect, *control);
       break;
     case IrOpcode::kObjectIsReceiver:
       state = LowerObjectIsReceiver(node, *effect, *control);
       break;
     case IrOpcode::kObjectIsString:
@@ skipping 131 matching lines @@
   Node* merge = graph()->NewNode(common()->Merge(2), if_true, alloc.control);
   Node* phi = graph()->NewNode(common()->Phi(MachineRepresentation::kTagged, 2),
                                vtrue, alloc.value, merge);
   Node* ephi =
       graph()->NewNode(common()->EffectPhi(2), effect, alloc.effect, merge);
 
   return ValueEffectControl(phi, ephi, merge);
 }
 
 EffectControlLinearizer::ValueEffectControl
+EffectControlLinearizer::LowerChangeTaggedToInt32(Node* node, Node* effect,
+                                                  Node* control) {
+  Node* value = node->InputAt(0);
+
+  Node* check = graph()->NewNode(simplified()->ObjectIsSmi(), value);
+  Node* branch =
+      graph()->NewNode(common()->Branch(BranchHint::kTrue), check, control);
+
+  Node* if_true = graph()->NewNode(common()->IfTrue(), branch);
+  Node* etrue = effect;
+  Node* vtrue =
+      graph()->NewNode(simplified()->ChangeTaggedSignedToInt32(), value);
+
+  Node* if_false = graph()->NewNode(common()->IfFalse(), branch);
+  Node* efalse = effect;
+  Node* vfalse;
+  {
+    STATIC_ASSERT(HeapNumber::kValueOffset == Oddball::kToNumberRawOffset);
+    vfalse = efalse = graph()->NewNode(
+        simplified()->LoadField(AccessBuilder::ForHeapNumberValue()), value,
+        efalse, if_false);
+    vfalse = graph()->NewNode(machine()->ChangeFloat64ToInt32(), vfalse);
+  }
+
+  control = graph()->NewNode(common()->Merge(2), if_true, if_false);
+  effect = graph()->NewNode(common()->EffectPhi(2), etrue, efalse, control);
+  value = graph()->NewNode(common()->Phi(MachineRepresentation::kWord32, 2),
+                           vtrue, vfalse, control);
+
+  return ValueEffectControl(value, effect, control);
+}
+
+EffectControlLinearizer::ValueEffectControl
+EffectControlLinearizer::LowerChangeTaggedToUint32(Node* node, Node* effect,
+                                                   Node* control) {
+  Node* value = node->InputAt(0);
+
+  Node* check = graph()->NewNode(simplified()->ObjectIsSmi(), value);
+  Node* branch =
+      graph()->NewNode(common()->Branch(BranchHint::kTrue), check, control);
+
+  Node* if_true = graph()->NewNode(common()->IfTrue(), branch);
+  Node* etrue = effect;
+  Node* vtrue =
+      graph()->NewNode(simplified()->ChangeTaggedSignedToInt32(), value);
+
+  Node* if_false = graph()->NewNode(common()->IfFalse(), branch);
+  Node* efalse = effect;
+  Node* vfalse;
+  {
+    STATIC_ASSERT(HeapNumber::kValueOffset == Oddball::kToNumberRawOffset);
+    vfalse = efalse = graph()->NewNode(
+        simplified()->LoadField(AccessBuilder::ForHeapNumberValue()), value,
+        efalse, if_false);
+    vfalse = graph()->NewNode(machine()->ChangeFloat64ToUint32(), vfalse);
+  }
+
+  control = graph()->NewNode(common()->Merge(2), if_true, if_false);
+  effect = graph()->NewNode(common()->EffectPhi(2), etrue, efalse, control);
+  value = graph()->NewNode(common()->Phi(MachineRepresentation::kWord32, 2),
+                           vtrue, vfalse, control);
+
+  return ValueEffectControl(value, effect, control);
+}
+
+EffectControlLinearizer::ValueEffectControl
+EffectControlLinearizer::LowerChangeTaggedToFloat64(Node* node, Node* effect,
+                                                    Node* control) {
+  Node* value = node->InputAt(0);
+
+  Node* check = graph()->NewNode(simplified()->ObjectIsSmi(), value);
+  Node* branch =
+      graph()->NewNode(common()->Branch(BranchHint::kTrue), check, control);
+
+  Node* if_true = graph()->NewNode(common()->IfTrue(), branch);
+  Node* etrue = effect;
+  Node* vtrue;
+  {
+    vtrue = graph()->NewNode(simplified()->ChangeTaggedSignedToInt32(), value);
+    vtrue = graph()->NewNode(machine()->ChangeInt32ToFloat64(), vtrue);
+  }
+
+  Node* if_false = graph()->NewNode(common()->IfFalse(), branch);
+  Node* efalse = effect;
+  Node* vfalse;
+  {
+    STATIC_ASSERT(HeapNumber::kValueOffset == Oddball::kToNumberRawOffset);
+    vfalse = efalse = graph()->NewNode(
+        simplified()->LoadField(AccessBuilder::ForHeapNumberValue()), value,
+        efalse, if_false);
+  }
+
+  control = graph()->NewNode(common()->Merge(2), if_true, if_false);
+  effect = graph()->NewNode(common()->EffectPhi(2), etrue, efalse, control);
+  value = graph()->NewNode(common()->Phi(MachineRepresentation::kFloat64, 2),
+                           vtrue, vfalse, control);
+
+  return ValueEffectControl(value, effect, control);
+}
+
+EffectControlLinearizer::ValueEffectControl
+EffectControlLinearizer::LowerTruncateTaggedToWord32(Node* node, Node* effect,
+                                                     Node* control) {
+  Node* value = node->InputAt(0);
+
+  Node* check = graph()->NewNode(simplified()->ObjectIsSmi(), value);
+  Node* branch =
+      graph()->NewNode(common()->Branch(BranchHint::kTrue), check, control);
+
+  Node* if_true = graph()->NewNode(common()->IfTrue(), branch);
+  Node* etrue = effect;
+  Node* vtrue =
+      graph()->NewNode(simplified()->ChangeTaggedSignedToInt32(), value);
+
+  Node* if_false = graph()->NewNode(common()->IfFalse(), branch);
+  Node* efalse = effect;
+  Node* vfalse;
+  {
+    STATIC_ASSERT(HeapNumber::kValueOffset == Oddball::kToNumberRawOffset);
+    vfalse = efalse = graph()->NewNode(
+        simplified()->LoadField(AccessBuilder::ForHeapNumberValue()), value,
+        efalse, if_false);
+    vfalse = graph()->NewNode(machine()->TruncateFloat64ToWord32(), vfalse);
+  }
+
+  control = graph()->NewNode(common()->Merge(2), if_true, if_false);
+  effect = graph()->NewNode(common()->EffectPhi(2), etrue, efalse, control);
+  value = graph()->NewNode(common()->Phi(MachineRepresentation::kWord32, 2),
+                           vtrue, vfalse, control);
+
+  return ValueEffectControl(value, effect, control);
+}
+
+EffectControlLinearizer::ValueEffectControl
 EffectControlLinearizer::LowerObjectIsCallable(Node* node, Node* effect,
                                                Node* control) {
   Node* value = node->InputAt(0);
 
   Node* check = graph()->NewNode(simplified()->ObjectIsSmi(), value);
   Node* branch =
       graph()->NewNode(common()->Branch(BranchHint::kFalse), check, control);
 
   Node* if_true = graph()->NewNode(common()->IfTrue(), branch);
   Node* etrue = effect;
@@ skipping 213 matching lines @@
   return jsgraph()->Int32Constant(Smi::kMaxValue);
 }
 
 Node* EffectControlLinearizer::SmiShiftBitsConstant() {
   return jsgraph()->IntPtrConstant(kSmiShiftSize + kSmiTagSize);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8