Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(145)

Unified Diff: src/compiler/js-generic-lowering.h

Issue 426233002: Land the Fan (disabled) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Review feedback, rebase and "git cl format" Created 6 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/compiler/js-context-specialization.cc ('k') | src/compiler/js-generic-lowering.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/compiler/js-generic-lowering.h
diff --git a/src/compiler/js-generic-lowering.h b/src/compiler/js-generic-lowering.h
new file mode 100644
index 0000000000000000000000000000000000000000..e3113e541dae33e38a7807ffdc6503b94a8a5df5
--- /dev/null
+++ b/src/compiler/js-generic-lowering.h
@@ -0,0 +1,83 @@
+// 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.
+
+#ifndef V8_COMPILER_JS_GENERIC_LOWERING_H_
+#define V8_COMPILER_JS_GENERIC_LOWERING_H_
+
+#include "src/v8.h"
+
+#include "src/allocation.h"
+#include "src/compiler/graph.h"
+#include "src/compiler/js-graph.h"
+#include "src/compiler/lowering-builder.h"
+#include "src/compiler/opcodes.h"
+#include "src/unique.h"
+
+namespace v8 {
+namespace internal {
+
+// Forward declarations.
+class HydrogenCodeStub;
+
+namespace compiler {
+
+// Forward declarations.
+class CommonOperatorBuilder;
+class MachineOperatorBuilder;
+class Linkage;
+
+// Lowers JS-level operators to runtime and IC calls in the "generic" case.
+class JSGenericLowering : public LoweringBuilder {
+ public:
+ JSGenericLowering(CompilationInfo* info, JSGraph* graph,
+ MachineOperatorBuilder* machine,
+ SourcePositionTable* source_positions);
+ virtual ~JSGenericLowering() {}
+
+ virtual void Lower(Node* node);
+
+ protected:
+// Dispatched depending on opcode.
+#define DECLARE_LOWER(x) Node* Lower##x(Node* node);
+ ALL_OP_LIST(DECLARE_LOWER)
+#undef DECLARE_LOWER
+
+ // Helpers to create new constant nodes.
+ Node* SmiConstant(int immediate);
+ Node* Int32Constant(int immediate);
+ Node* CodeConstant(Handle<Code> code);
+ Node* FunctionConstant(Handle<JSFunction> function);
+ Node* ExternalConstant(ExternalReference ref);
+
+ // Helpers to patch existing nodes in the graph.
+ void PatchOperator(Node* node, Operator* new_op);
+ void PatchInsertInput(Node* node, int index, Node* input);
+
+ // Helpers to replace existing nodes with a generic call.
+ void ReplaceWithCompareIC(Node* node, Token::Value token, bool pure);
+ void ReplaceWithICStubCall(Node* node, HydrogenCodeStub* stub);
+ void ReplaceWithBuiltinCall(Node* node, Builtins::JavaScript id, int args);
+ void ReplaceWithRuntimeCall(Node* node, Runtime::FunctionId f, int args = -1);
+
+ Zone* zone() const { return graph()->zone(); }
+ Isolate* isolate() const { return zone()->isolate(); }
+ JSGraph* jsgraph() const { return jsgraph_; }
+ Graph* graph() const { return jsgraph()->graph(); }
+ Linkage* linkage() const { return linkage_; }
+ CompilationInfo* info() const { return info_; }
+ CommonOperatorBuilder* common() const { return jsgraph()->common(); }
+ MachineOperatorBuilder* machine() const { return machine_; }
+
+ private:
+ CompilationInfo* info_;
+ JSGraph* jsgraph_;
+ Linkage* linkage_;
+ MachineOperatorBuilder* machine_;
+ SetOncePointer<Node> centrystub_constant_;
+};
+}
+}
+} // namespace v8::internal::compiler
+
+#endif // V8_COMPILER_JS_GENERIC_LOWERING_H_
« no previous file with comments | « src/compiler/js-context-specialization.cc ('k') | src/compiler/js-generic-lowering.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698