minor improvement of internal_compiler

dakk · Dec 5, 2023 · c4d0a77 · c4d0a77
1 parent 316cd71
commit c4d0a77
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/qlasskit/compiler/internalcompiler.py b/qlasskit/compiler/internalcompiler.py
@@ -56,7 +56,8 @@ def compile(
                     a_true = qc.add_qubit("TRUE")
                     qc.x(a_true)
                 iret = a_true
-            elif isinstance(symp_exp, Symbol):
+            # Qubit mapped to another qubit (iff sym.name is a _ret)
+            elif isinstance(symp_exp, Symbol) and sym.name.startswith("_ret"):
                 iret = qc.add_qubit(sym.name)
                 qc.cx(qc[symp_exp.name], iret)
             else: