[turbofan] Run everything after representation selection concurrently.

src/compiler/simplified-operator.cc

 // Copyright 2012 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/simplified-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/types.h"
@@ skipping 196 matching lines @@
 #define PURE(Name, properties, input_count)                                \
   struct Name##Operator final : public Operator {                          \
     Name##Operator()                                                       \
         : Operator(IrOpcode::k##Name, Operator::kPure | properties, #Name, \
                    input_count, 0, 0, 1, 0, 0) {}                          \
   };                                                                       \
   Name##Operator k##Name;
   PURE_OP_LIST(PURE)
 #undef PURE
 
+  template <PretenureFlag kPretenure>
+  struct AllocateOperator final : public Operator1<PretenureFlag> {
+    AllocateOperator()
+        : Operator1<PretenureFlag>(IrOpcode::kAllocate, Operator::kNoThrow,
+                                   "Allocate", 1, 1, 1, 1, 1, 0, kPretenure) {}
+  };
+  AllocateOperator<NOT_TENURED> kAllocateNotTenuredOperator;
+  AllocateOperator<TENURED> kAllocateTenuredOperator;
+
 #define BUFFER_ACCESS(Type, type, TYPE, ctype, size)                          \
   struct LoadBuffer##Type##Operator final : public Operator1<BufferAccess> {  \
     LoadBuffer##Type##Operator()                                              \
         : Operator1<BufferAccess>(IrOpcode::kLoadBuffer,                      \
                                   Operator::kNoThrow | Operator::kNoWrite,    \
                                   "LoadBuffer", 3, 1, 1, 1, 1, 0,             \
                                   BufferAccess(kExternal##Type##Array)) {}    \
   };                                                                          \
   struct StoreBuffer##Type##Operator final : public Operator1<BufferAccess> { \
     StoreBuffer##Type##Operator()                                             \
@@ skipping 24 matching lines @@
 
 
 const Operator* SimplifiedOperatorBuilder::ReferenceEqual(Type* type) {
   return new (zone()) Operator(IrOpcode::kReferenceEqual,
                                Operator::kCommutative | Operator::kPure,
                                "ReferenceEqual", 2, 0, 0, 1, 0, 0);
 }
 
 
 const Operator* SimplifiedOperatorBuilder::Allocate(PretenureFlag pretenure) {
-  return new (zone())
-      Operator1<PretenureFlag>(IrOpcode::kAllocate, Operator::kNoThrow,
-                               "Allocate", 1, 1, 1, 1, 1, 0, pretenure);
+  switch (pretenure) {
+    case NOT_TENURED:
+      return &cache_.kAllocateNotTenuredOperator;
+    case TENURED:
+      return &cache_.kAllocateTenuredOperator;
+  }
+  UNREACHABLE();
+  return nullptr;
 }
 
 
 const Operator* SimplifiedOperatorBuilder::LoadBuffer(BufferAccess access) {
   switch (access.external_array_type()) {
 #define LOAD_BUFFER(Type, type, TYPE, ctype, size) \
   case kExternal##Type##Array:                     \
     return &cache_.kLoadBuffer##Type;
     TYPED_ARRAYS(LOAD_BUFFER)
 #undef LOAD_BUFFER
@@ skipping 30 matching lines @@
         Operator1<Type>(IrOpcode::k##Name, Operator::kNoThrow | properties,    \
                         #Name, value_input_count, 1, control_input_count,      \
                         output_count, 1, 0, access);                           \
   }
 ACCESS_OP_LIST(ACCESS)
 #undef ACCESS
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8