public void visitReturnStatement(GrReturnStatement returnStatement) {
boolean isNodeNeeded = myHead == null || myHead.getElement() != returnStatement;
final GrExpression value = returnStatement.getReturnValue();
if (value != null) value.accept(this);
if (isNodeNeeded) {
InstructionImpl returnInstruction = startNode(returnStatement);
addPendingEdge(null, myHead);
finishNode(returnInstruction);
} else {
addPendingEdge(null, myHead);
}
interruptFlow();
}
private static boolean returnStatementsAreEquivalent(
@NotNull GrReturnStatement statement1, @NotNull GrReturnStatement statement2) {
final GrExpression returnValue1 = statement1.getReturnValue();
final GrExpression returnValue2 = statement2.getReturnValue();
return expressionsAreEquivalent(returnValue1, returnValue2);
}