[ignition] Replace branch+loop analysis with a single pass

src/compiler/bytecode-graph-builder.h

 // 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.
 
 #ifndef V8_COMPILER_BYTECODE_GRAPH_BUILDER_H_
 #define V8_COMPILER_BYTECODE_GRAPH_BUILDER_H_
 
-#include "src/compiler/bytecode-branch-analysis.h"
-#include "src/compiler/bytecode-loop-analysis.h"
+#include "src/compiler/bytecode-analysis.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/liveness-analyzer.h"
 #include "src/compiler/state-values-utils.h"
 #include "src/compiler/type-hint-analyzer.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 #include "src/interpreter/bytecode-flags.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/source-position-table.h"
 
 namespace v8 {
@@ skipping 227 matching lines @@
 
   const interpreter::BytecodeArrayIterator& bytecode_iterator() const {
     return *bytecode_iterator_;
   }
 
   void set_bytecode_iterator(
       const interpreter::BytecodeArrayIterator* bytecode_iterator) {
     bytecode_iterator_ = bytecode_iterator;
   }
 
-  const BytecodeBranchAnalysis* branch_analysis() const {
-    return branch_analysis_;
+  const BytecodeAnalysis* bytecode_analysis() const {
+    return bytecode_analysis_;
   }
 
-  void set_branch_analysis(const BytecodeBranchAnalysis* branch_analysis) {
-    branch_analysis_ = branch_analysis;
-  }
-
-  const BytecodeLoopAnalysis* loop_analysis() const { return loop_analysis_; }
-
-  void set_loop_analysis(const BytecodeLoopAnalysis* loop_analysis) {
-    loop_analysis_ = loop_analysis;
+  void set_bytecode_analysis(const BytecodeAnalysis* bytecode_analysis) {
+    bytecode_analysis_ = bytecode_analysis;
   }
 
   LivenessAnalyzer* liveness_analyzer() { return &liveness_analyzer_; }
 
   bool IsLivenessAnalysisEnabled() const {
     return this->is_liveness_analysis_enabled_;
   }
 
 #define DECLARE_VISIT_BYTECODE(name, ...) void Visit##name();
   BYTECODE_LIST(DECLARE_VISIT_BYTECODE)
 #undef DECLARE_VISIT_BYTECODE
 
   Zone* local_zone_;
   JSGraph* jsgraph_;
   float const invocation_frequency_;
   Handle<BytecodeArray> bytecode_array_;
   Handle<HandlerTable> exception_handler_table_;
   Handle<TypeFeedbackVector> feedback_vector_;
   const FrameStateFunctionInfo* frame_state_function_info_;
   const interpreter::BytecodeArrayIterator* bytecode_iterator_;
-  const BytecodeBranchAnalysis* branch_analysis_;
-  const BytecodeLoopAnalysis* loop_analysis_;
+  const BytecodeAnalysis* bytecode_analysis_;
   Environment* environment_;
   BailoutId osr_ast_id_;
 
   // Merge environments are snapshots of the environment at points where the
   // control flow merges. This models a forward data flow propagation of all
   // values from all predecessors of the merge in question.
   ZoneMap<int, Environment*> merge_environments_;
 
   // Exception handlers currently entered by the iteration.
   ZoneStack<ExceptionHandler> exception_handlers_;
@@ skipping 32 matching lines @@
   static int const kBinaryOperationSmiHintIndex = 2;
 
   DISALLOW_COPY_AND_ASSIGN(BytecodeGraphBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_BYTECODE_GRAPH_BUILDER_H_