Move input/output counts directly into Operators, simplying OperatorProperties.

src/compiler/opcodes.h

Index: src/compiler/opcodes.h
diff --git a/src/compiler/opcodes.h b/src/compiler/opcodes.h
index 4853110bb1aa654d929cea2ca19874f899bd6bef..3c26b33befbfadee32926d6097bd0bce6792e741 100644
--- a/src/compiler/opcodes.h
+++ b/src/compiler/opcodes.h
@@ -263,6 +263,7 @@ class IrOpcode {
 
   // Returns the mnemonic name of an opcode.
   static const char* Mnemonic(Value val) {
+    // TODO(turbofan): make this a table lookup.
     switch (val) {
 #define RETURN_NAME(x) \
   case k##x:           \
@@ -276,6 +277,7 @@ class IrOpcode {
 
   static bool IsJsOpcode(Value val) {
     switch (val) {
+// TODO(turbofan): make this a range check.
 #define RETURN_NAME(x) \
   case k##x:           \
     return true;
@@ -288,6 +290,7 @@ class IrOpcode {
 
   static bool IsControlOpcode(Value val) {
     switch (val) {
+// TODO(turbofan): make this a range check.
 #define RETURN_NAME(x) \
   case k##x:           \
     return true;
@@ -300,6 +303,7 @@ class IrOpcode {
 
   static bool IsLeafOpcode(Value val) {
     switch (val) {
+// TODO(turbofan): make this a table lookup.
 #define RETURN_NAME(x) \
   case k##x:           \
     return true;
@@ -312,6 +316,7 @@ class IrOpcode {
 
   static bool IsCommonOpcode(Value val) {
     switch (val) {
+// TODO(turbofan): make this a table lookup or a range check.
 #define RETURN_NAME(x) \
   case k##x:           \
     return true;