Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/src/compiler/simplified-operator-reducer.cc b/src/compiler/simplified-operator-reducer.cc
new file mode 100644
index 0000000..f6181ea
--- /dev/null
+++ b/src/compiler/simplified-operator-reducer.cc
@@ -0,0 +1,147 @@
+// 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/generic-node-inl.h"
+#include "src/compiler/js-graph.h"
+#include "src/compiler/machine-operator.h"
+#include "src/compiler/node-matchers.h"
+#include "src/compiler/simplified-operator-reducer.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+SimplifiedOperatorReducer::~SimplifiedOperatorReducer() {}
+
+
+Reduction SimplifiedOperatorReducer::Reduce(Node* node) {
+ switch (node->opcode()) {
+ case IrOpcode::kBooleanNot: {
+ HeapObjectMatcher<HeapObject> m(node->InputAt(0));
+ if (m.Is(Unique<HeapObject>::CreateImmovable(factory()->false_value()))) {
+ return Replace(jsgraph()->TrueConstant());
+ }
+ if (m.Is(Unique<HeapObject>::CreateImmovable(factory()->true_value()))) {
+ return Replace(jsgraph()->FalseConstant());
+ }
+ if (m.IsBooleanNot()) return Replace(m.node()->InputAt(0));
+ break;
+ }
+ case IrOpcode::kChangeBitToBool: {
+ Int32Matcher m(node->InputAt(0));
+ if (m.Is(0)) return Replace(jsgraph()->FalseConstant());
+ if (m.Is(1)) return Replace(jsgraph()->TrueConstant());
+ if (m.IsChangeBoolToBit()) return Replace(m.node()->InputAt(0));
+ break;
+ }
+ case IrOpcode::kChangeBoolToBit: {
+ HeapObjectMatcher<HeapObject> m(node->InputAt(0));
+ if (m.Is(Unique<HeapObject>::CreateImmovable(factory()->false_value()))) {
+ return ReplaceInt32(0);
+ }
+ if (m.Is(Unique<HeapObject>::CreateImmovable(factory()->true_value()))) {
+ return ReplaceInt32(1);
+ }
+ if (m.IsChangeBitToBool()) return Replace(m.node()->InputAt(0));
+ break;
+ }
+ case IrOpcode::kChangeFloat64ToTagged: {
+ Float64Matcher m(node->InputAt(0));
+ if (m.HasValue()) return ReplaceNumber(m.Value());
+ break;
+ }
+ case IrOpcode::kChangeInt32ToTagged: {
+ Int32Matcher m(node->InputAt(0));
+ if (m.HasValue()) return ReplaceNumber(m.Value());
+ break;
+ }
+ case IrOpcode::kChangeTaggedToFloat64: {
+ NumberMatcher m(node->InputAt(0));
+ if (m.HasValue()) return ReplaceFloat64(m.Value());
+ if (m.IsChangeFloat64ToTagged()) return Replace(m.node()->InputAt(0));
+ if (m.IsChangeInt32ToTagged()) {
+ return Change(node, machine()->ChangeInt32ToFloat64(),
+ m.node()->InputAt(0));
+ }
+ if (m.IsChangeUint32ToTagged()) {
+ return Change(node, machine()->ChangeUint32ToFloat64(),
+ m.node()->InputAt(0));
+ }
+ break;
+ }
+ case IrOpcode::kChangeTaggedToInt32: {
+ NumberMatcher m(node->InputAt(0));
+ if (m.HasValue()) return ReplaceInt32(DoubleToInt32(m.Value()));
+ if (m.IsChangeFloat64ToTagged()) {
+ return Change(node, machine()->ChangeFloat64ToInt32(),
+ m.node()->InputAt(0));
+ }
+ if (m.IsChangeInt32ToTagged()) return Replace(m.node()->InputAt(0));
+ break;
+ }
+ case IrOpcode::kChangeTaggedToUint32: {
+ NumberMatcher m(node->InputAt(0));
+ if (m.HasValue()) return ReplaceUint32(DoubleToUint32(m.Value()));
+ if (m.IsChangeFloat64ToTagged()) {
+ return Change(node, machine()->ChangeFloat64ToUint32(),
+ m.node()->InputAt(0));
+ }
+ if (m.IsChangeUint32ToTagged()) return Replace(m.node()->InputAt(0));
+ break;
+ }
+ case IrOpcode::kChangeUint32ToTagged: {
+ Uint32Matcher m(node->InputAt(0));
+ if (m.HasValue()) return ReplaceNumber(FastUI2D(m.Value()));
+ break;
+ }
+ default:
+ break;
+ }
+ return NoChange();
+}
+
+
+Reduction SimplifiedOperatorReducer::Change(Node* node, const Operator* op,
+ Node* a) {
+ node->set_op(op);
+ node->ReplaceInput(0, a);
+ return Changed(node);
+}
+
+
+Reduction SimplifiedOperatorReducer::ReplaceFloat64(double value) {
+ return Replace(jsgraph()->Float64Constant(value));
+}
+
+
+Reduction SimplifiedOperatorReducer::ReplaceInt32(int32_t value) {
+ return Replace(jsgraph()->Int32Constant(value));
+}
+
+
+Reduction SimplifiedOperatorReducer::ReplaceNumber(double value) {
+ return Replace(jsgraph()->Constant(value));
+}
+
+
+Reduction SimplifiedOperatorReducer::ReplaceNumber(int32_t value) {
+ return Replace(jsgraph()->Constant(value));
+}
+
+
+Graph* SimplifiedOperatorReducer::graph() const { return jsgraph()->graph(); }
+
+
+Factory* SimplifiedOperatorReducer::factory() const {
+ return jsgraph()->isolate()->factory();
+}
+
+
+MachineOperatorBuilder* SimplifiedOperatorReducer::machine() const {
+ return jsgraph()->machine();
+}
+
+} // namespace compiler
+} // namespace internal
+} // namespace v8