[turbofan] Turn IrOpcode::IsXXX() into range checks.

src/compiler/opcodes.h

Index: src/compiler/opcodes.h
diff --git a/src/compiler/opcodes.h b/src/compiler/opcodes.h
index b7a2f6b51ba22c1e6bad7403407c77c3781fc91f..fa85974c0136e2ff46b8dcb2007efc75bfed89b3 100644
--- a/src/compiler/opcodes.h
+++ b/src/compiler/opcodes.h
@@ -275,57 +275,24 @@ class IrOpcode {
   // Returns the mnemonic name of an opcode.
   static char const* Mnemonic(Value value);
 
-  static bool IsJsOpcode(Value val) {
-    switch (val) {
-// TODO(turbofan): make this a range check.
-#define RETURN_NAME(x) \
-  case k##x:           \
-    return true;
-      JS_OP_LIST(RETURN_NAME)
-#undef RETURN_NAME
-      default:
-        return false;
-    }
+  // Returns true if opcode for common operator.
+  static bool IsCommonOpcode(Value value) {
+    return kDead <= value && value <= kProjection;
   }
 
-  static bool IsControlOpcode(Value val) {
-    switch (val) {
-// TODO(turbofan): make this a range check.
-#define RETURN_NAME(x) \
-  case k##x:           \
-    return true;
-      CONTROL_OP_LIST(RETURN_NAME)
-#undef RETURN_NAME
-      default:
-        return false;
-    }
+  // Returns true if opcode for control operator.
+  static bool IsControlOpcode(Value value) {
+    return kDead <= value && value <= kEnd;
   }
 
-  static bool IsLeafOpcode(Value val) {
-    switch (val) {
-// TODO(turbofan): make this a table lookup.
-#define RETURN_NAME(x) \
-  case k##x:           \
-    return true;
-      LEAF_OP_LIST(RETURN_NAME)
-#undef RETURN_NAME
-      default:
-        return false;
-    }
+  // Returns true if opcode for JavaScript operator.
+  static bool IsJsOpcode(Value value) {
+    return kJSEqual <= value && value <= kJSDebugger;
   }
 
-  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;
-      CONTROL_OP_LIST(RETURN_NAME)
-      COMMON_OP_LIST(RETURN_NAME)
-#undef RETURN_NAME
-      default:
-        return false;
-    }
+  // Returns true if opcode for leaf operator.
+  static bool IsLeafOpcode(Value value) {
+    return kInt32Constant <= value && value <= kHeapConstant;
   }
 };