[Truffle] Specialized String#replace.

jruby · Jan 29, 2016 · cc38367 · cc38367
1 parent e624281
commit cc38367
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/core/StringNodes.java b/truffle/src/main/java/org/jruby/truffle/nodes/core/StringNodes.java
@@ -1613,12 +1613,14 @@ public ReplaceNode(RubyContext context, SourceSection sourceSection) {
             return ToStrNodeGen.create(getContext(), getSourceSection(), other);
         }
 
-        @Specialization(guards = "isRubyString(other)")
-        public DynamicObject replace(DynamicObject string, DynamicObject other) {
-            if (string == other) {
-                return string;
-            }
+        @Specialization(guards = "string == other")
+        public DynamicObject replaceStringIsSameAsOther(DynamicObject string, DynamicObject other) {
+            return string;
+        }
 
+
+        @Specialization(guards = { "string != other", "isRubyString(other)" })
+        public DynamicObject replace(DynamicObject string, DynamicObject other) {
             StringOperations.setRope(string, rope(other));
 
             return string;