graal-compiler: src/share/vm/ci/ciStreams.hpp comparison

8023657: New type profiling points: arguments to call Summary: x86 interpreter and c1 type profiling for arguments at calls Reviewed-by: kvn, twisti

comparison

equal deleted inserted replaced

-:46ef27bcacb3
+:d13d7aba8c12
 //
 // The class is used to iterate over the elements of a method signature.
 class ciSignatureStream : public StackObj {
 private:
 ciSignature* _sig;
-int    _pos;
+int          _pos;
+// holder is a method's holder
+ciKlass*     _holder;
 public:
-ciSignatureStream(ciSignature* signature) {
+ciSignatureStream(ciSignature* signature, ciKlass* holder = NULL) {
 _sig = signature;
 _pos = 0;
+_holder = holder;
 }
 bool at_return_type() { return _pos == _sig->count(); }
 bool is_done() { return _pos > _sig->count(); }
 if (at_return_type()) {
 return _sig->return_type();
 } else {
 return _sig->type_at(_pos);
 }
+}
+// next klass in the signature
+ciKlass* next_klass() {
+ciKlass* sig_k;
+if (_holder != NULL) {
+sig_k = _holder;
+_holder = NULL;
+} else {
+while (!type()->is_klass()) {
+next();
+}
+assert(!at_return_type(), "passed end of signature");
+sig_k = type()->as_klass();
+next();
+}
+return sig_k;
 }
 };
 // ciExceptionHandlerStream

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