Print MachineTypes when using --trace-turbo-graph.

src/compiler/common-operator.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 "src/compiler/common-operator.h"
 
 #include "src/assembler.h"
 #include "src/base/lazy-instance.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/opcodes.h"
@@ skipping 149 matching lines @@
 
 size_t hash_value(RelocatablePtrConstantInfo const& p) {
   return base::hash_combine(p.value(), p.rmode(), p.type());
 }
 
 std::ostream& operator<<(std::ostream& os,
                          RelocatablePtrConstantInfo const& p) {
   return os << p.value() << "|" << p.rmode() << "|" << p.type();
 }
 
+std::ostream& operator<<(std::ostream& os,
+                         const ZoneVector<MachineType>* types) {
+  // Print all the MachineTypes, separated by commas.
+  bool first = true;
+  for (MachineType elem : *types) {
+    if (!first) {
+      os << ", ";
+    }
+    first = false;
+    os << elem;
+  }
+  return os;
+}
+
 #define CACHED_OP_LIST(V)                                    \
   V(Dead, Operator::kFoldable, 0, 0, 0, 1, 1, 1)             \
   V(DeoptimizeIf, Operator::kFoldable, 2, 1, 1, 0, 1, 1)     \
   V(DeoptimizeUnless, Operator::kFoldable, 2, 1, 1, 0, 1, 1) \
   V(IfTrue, Operator::kKontrol, 0, 0, 1, 0, 0, 1)            \
   V(IfFalse, Operator::kKontrol, 0, 0, 1, 0, 0, 1)           \
   V(IfSuccess, Operator::kKontrol, 0, 0, 1, 0, 0, 1)         \
   V(IfDefault, Operator::kKontrol, 0, 0, 1, 0, 0, 1)         \
   V(Throw, Operator::kKontrol, 1, 1, 1, 0, 0, 1)             \
   V(Terminate, Operator::kKontrol, 0, 1, 1, 0, 0, 1)         \
@@ skipping 707 matching lines @@
 CommonOperatorBuilder::CreateFrameStateFunctionInfo(
     FrameStateType type, int parameter_count, int local_count,
     Handle<SharedFunctionInfo> shared_info) {
   return new (zone()->New(sizeof(FrameStateFunctionInfo)))
       FrameStateFunctionInfo(type, parameter_count, local_count, shared_info);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8