[turbofan] Improve memory consumption for state values descriptors.

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

 // 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 "test/unittests/compiler/instruction-selector-unittest.h"
 
 #include "src/code-factory.h"
 #include "src/compiler/compiler-source-position-table.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/schedule.h"
@@ skipping 459 matching lines @@
   EXPECT_EQ(OutputFrameStateCombine::kPushOutput,
             desc_before->state_combine().kind());
   EXPECT_EQ(1u, desc_before->parameters_count());
   EXPECT_EQ(1u, desc_before->locals_count());
   EXPECT_EQ(1u, desc_before->stack_count());
   EXPECT_EQ(43, s.ToInt32(call_instr->InputAt(3)));
   EXPECT_EQ(0, s.ToInt32(call_instr->InputAt(4)));  // This should be a context.
                                                     // We inserted 0 here.
   EXPECT_EQ(0.5, s.ToFloat64(call_instr->InputAt(5)));
   EXPECT_TRUE(s.ToHeapObject(call_instr->InputAt(6))->IsUndefined(isolate()));
-  EXPECT_EQ(MachineType::AnyTagged(),
-            desc_before->GetType(0));  // function is always
-                                       // tagged/any.
-  EXPECT_EQ(MachineType::Int32(), desc_before->GetType(1));
-  EXPECT_EQ(MachineType::AnyTagged(),
-            desc_before->GetType(2));  // context is always
-                                       // tagged/any.
-  EXPECT_EQ(MachineType::Float64(), desc_before->GetType(3));
-  EXPECT_EQ(MachineType::AnyTagged(), desc_before->GetType(4));
 
   // Function.
   EXPECT_EQ(s.ToVreg(function_node), s.ToVreg(call_instr->InputAt(7)));
   // Context.
   EXPECT_EQ(s.ToVreg(context), s.ToVreg(call_instr->InputAt(8)));
 
   EXPECT_EQ(kArchRet, s[index++]->arch_opcode());
 
   EXPECT_EQ(index, s.size());
 }
@@ skipping 79 matching lines @@
   // Deoptimization id.
   int32_t deopt_id_before = s.ToInt32(call_instr->InputAt(1));
   FrameStateDescriptor* desc_before =
       s.GetFrameStateDescriptor(deopt_id_before);
   FrameStateDescriptor* desc_before_outer = desc_before->outer_state();
   EXPECT_EQ(bailout_id_before, desc_before->bailout_id());
   EXPECT_EQ(1u, desc_before_outer->parameters_count());
   EXPECT_EQ(1u, desc_before_outer->locals_count());
   EXPECT_EQ(1u, desc_before_outer->stack_count());
   // Values from parent environment.
-  EXPECT_EQ(MachineType::AnyTagged(), desc_before->GetType(0));
   EXPECT_EQ(63, s.ToInt32(call_instr->InputAt(3)));
-  EXPECT_EQ(MachineType::Int32(), desc_before_outer->GetType(1));
   // Context:
   EXPECT_EQ(66, s.ToInt32(call_instr->InputAt(4)));
-  EXPECT_EQ(MachineType::AnyTagged(), desc_before_outer->GetType(2));
   EXPECT_EQ(64, s.ToInt32(call_instr->InputAt(5)));
-  EXPECT_EQ(MachineType::Int32(), desc_before_outer->GetType(3));
   EXPECT_EQ(65, s.ToInt32(call_instr->InputAt(6)));
-  EXPECT_EQ(MachineType::Int32(), desc_before_outer->GetType(4));
   // Values from the nested frame.
   EXPECT_EQ(1u, desc_before->parameters_count());
   EXPECT_EQ(1u, desc_before->locals_count());
   EXPECT_EQ(2u, desc_before->stack_count());
-  EXPECT_EQ(MachineType::AnyTagged(), desc_before->GetType(0));
   EXPECT_EQ(43, s.ToInt32(call_instr->InputAt(8)));
-  EXPECT_EQ(MachineType::Int32(), desc_before->GetType(1));
   EXPECT_EQ(46, s.ToInt32(call_instr->InputAt(9)));
-  EXPECT_EQ(MachineType::AnyTagged(), desc_before->GetType(2));
   EXPECT_EQ(0.25, s.ToFloat64(call_instr->InputAt(10)));
-  EXPECT_EQ(MachineType::Float64(), desc_before->GetType(3));
   EXPECT_EQ(44, s.ToInt32(call_instr->InputAt(11)));
-  EXPECT_EQ(MachineType::Int32(), desc_before->GetType(4));
   EXPECT_EQ(45, s.ToInt32(call_instr->InputAt(12)));
-  EXPECT_EQ(MachineType::Int32(), desc_before->GetType(5));
 
   // Function.
   EXPECT_EQ(s.ToVreg(function_node), s.ToVreg(call_instr->InputAt(13)));
   // Context.
   EXPECT_EQ(s.ToVreg(context2), s.ToVreg(call_instr->InputAt(14)));
   // Continuation.
 
   EXPECT_EQ(kArchRet, s[index++]->arch_opcode());
   EXPECT_EQ(index, s.size());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8