Convert GetActualEncodingNode to DSL inlinable node

Author: horakivo

src/main/java/org/truffleruby/core/encoding/EncodingNodes.java

@@ -520,28 +520,31 @@ boolean isUnicode(RubyEncoding encoding) {
     public abstract static class GetActualEncodingPrimitiveNode extends PrimitiveArrayArgumentsNode {
 
         @Specialization(guards = "libString.isRubyString(string)", limit = "1")
-        RubyEncoding getActualEncoding(Object string,
+        static RubyEncoding getActualEncoding(Object string,
                 @Cached GetActualEncodingNode getActualEncodingNode,
-                @Cached RubyStringLibrary libString) {
-            return getActualEncodingNode.execute(libString.getTString(string), libString.getEncoding(string));
+                @Cached RubyStringLibrary libString,
+                @Bind("this") Node node) {
+            return getActualEncodingNode.execute(node, libString.getTString(string), libString.getEncoding(string));
         }
 
     }
 
     // MRI: get_actual_encoding
+    @GenerateInline
+    @GenerateCached(false)
     public abstract static class GetActualEncodingNode extends RubyBaseNode {
 
-        public abstract RubyEncoding execute(AbstractTruffleString tstring, RubyEncoding encoding);
+        public abstract RubyEncoding execute(Node node, AbstractTruffleString tstring, RubyEncoding encoding);
 
         @Specialization(guards = "!encoding.isDummy")
-        RubyEncoding getActualEncoding(AbstractTruffleString tstring, RubyEncoding encoding) {
+        static RubyEncoding getActualEncoding(AbstractTruffleString tstring, RubyEncoding encoding) {
             return encoding;
         }
 
         @TruffleBoundary
         @Specialization(guards = "encoding.isDummy")
-        RubyEncoding getActualEncodingDummy(AbstractTruffleString tstring, RubyEncoding encoding,
-                @Cached TruffleString.ReadByteNode readByteNode) {
+        static RubyEncoding getActualEncodingDummy(AbstractTruffleString tstring, RubyEncoding encoding,
+                @Cached(inline = false) TruffleString.ReadByteNode readByteNode) {
             if (encoding.isUnicode) {
                 var enc = encoding.tencoding;
                 var byteLength = tstring.byteLength(enc);

src/main/java/org/truffleruby/core/string/StringNodes.java

@@ -1612,7 +1612,7 @@ static Object lstripBangSingleByte(RubyString string,
                 @Cached InlinedConditionProfile noopProfile,
                 @Bind("this") Node node) {
             var tstring = string.tstring;
-            var encoding = getActualEncodingNode.execute(tstring, libString.getEncoding(string));
+            var encoding = getActualEncodingNode.execute(node, tstring, libString.getEncoding(string));
             var tencoding = encoding.tencoding;
 
             var iterator = createCodePointIteratorNode.execute(tstring, tencoding, ErrorHandling.RETURN_NEGATIVE);
@@ -1751,7 +1751,7 @@ static Object rstripBangNonEmptyString(RubyString string,
                 @Cached @Exclusive InlinedConditionProfile noopProfile,
                 @Bind("this") Node node) {
             var tstring = string.tstring;
-            var encoding = getActualEncodingNode.execute(tstring, libString.getEncoding(string));
+            var encoding = getActualEncodingNode.execute(node, tstring, libString.getEncoding(string));
             var tencoding = encoding.tencoding;
 
             var iterator = createBackwardCodePointIteratorNode.execute(tstring, tencoding,
@@ -3423,7 +3423,7 @@ static Object stringChrAt(Object string, int byteIndex,
                 @Bind("strings.getTString(string)") AbstractTruffleString originalTString,
                 @Bind("strings.getEncoding(string)") RubyEncoding originalEncoding,
                 @Bind("this") Node node) {
-            final RubyEncoding actualEncoding = getActualEncodingNode.execute(originalTString, originalEncoding);
+            final RubyEncoding actualEncoding = getActualEncodingNode.execute(node, originalTString, originalEncoding);
             var tstring = forceEncodingNode.execute(originalTString, originalEncoding.tencoding,
                     actualEncoding.tencoding);