Unit test of instruction selection for calls with deoptimization.

test/compiler-unittests/instruction-selector-unittest.h

 // 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_UNITTESTS_INSTRUCTION_SELECTOR_UNITTEST_H_
 #define V8_COMPILER_UNITTESTS_INSTRUCTION_SELECTOR_UNITTEST_H_
 
 #include <deque>
 #include <set>
 
 #include "src/base/utils/random-number-generator.h"
 #include "src/compiler/instruction-selector.h"
 #include "src/compiler/raw-machine-assembler.h"
 #include "test/compiler-unittests/compiler-unittests.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 class InstructionSelectorTest : public CompilerTest {
  public:
   InstructionSelectorTest();
   virtual ~InstructionSelectorTest() {}
 
   base::RandomNumberGenerator* rng() { return &rng_; }
 
   class Stream;
 
-  enum StreamBuilderMode { kAllInstructions, kTargetInstructions };
+  enum StreamBuilderMode {
+    kAllInstructions,
+    kTargetInstructions,
+    kAllExceptNopInstructions
+  };
 
   class StreamBuilder V8_FINAL : public RawMachineAssembler {
    public:
     StreamBuilder(InstructionSelectorTest* test, MachineType return_type)
         : RawMachineAssembler(new (test->zone()) Graph(test->zone()),
                               CallDescriptorBuilder(test->zone(), return_type)),
           test_(test) {}
     StreamBuilder(InstructionSelectorTest* test, MachineType return_type,
                   MachineType parameter0_type)
         : RawMachineAssembler(new (test->zone()) Graph(test->zone()),
@@ skipping 99 matching lines @@
     int32_t ToInt32(const InstructionOperand* operand) const {
       return ToConstant(operand).ToInt32();
     }
 
     int ToVreg(const InstructionOperand* operand) const {
       if (operand->IsConstant()) return operand->index();
       EXPECT_EQ(InstructionOperand::UNALLOCATED, operand->kind());
       return UnallocatedOperand::cast(operand)->virtual_register();
     }
 
+    FrameStateDescriptor* GetDeoptimizationEntry(int deoptimization_id) {
+      EXPECT_LT(deoptimization_id, GetDeoptimizationEntryCount());
+      return deoptimization_entries_[deoptimization_id];
+    }
+
+    int GetDeoptimizationEntryCount() {
+      return static_cast<int>(deoptimization_entries_.size());
+    }
+
    private:
     Constant ToConstant(const InstructionOperand* operand) const {
       ConstantMap::const_iterator i;
       if (operand->IsConstant()) {
         i = constants_.find(operand->index());
         EXPECT_FALSE(constants_.end() == i);
       } else {
         EXPECT_EQ(InstructionOperand::IMMEDIATE, operand->kind());
         i = immediates_.find(operand->index());
         EXPECT_FALSE(immediates_.end() == i);
       }
       EXPECT_EQ(operand->index(), i->first);
       return i->second;
     }
 
     friend class StreamBuilder;
 
     typedef std::map<int, Constant> ConstantMap;
 
     ConstantMap constants_;
     ConstantMap immediates_;
     std::deque<Instruction*> instructions_;
     std::set<int> doubles_;
     std::set<int> references_;
+    std::deque<FrameStateDescriptor*> deoptimization_entries_;
   };
 
   base::RandomNumberGenerator rng_;
 };
 
 
 template <typename T>
 class InstructionSelectorTestWithParam
     : public InstructionSelectorTest,
       public ::testing::WithParamInterface<T> {};
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_UNITTESTS_INSTRUCTION_SELECTOR_UNITTEST_H_