/**
* The entry point for this phase
*
* @param ir the IR
* @param forward Should we compute regular dominators, or post-dominators?
* @param unfactor Should we unfactor the CFG?
*/
public static void perform(IR ir, boolean forward, boolean unfactor) {
if (ir.hasReachableExceptionHandlers()) {
if (unfactor) {
ir.unfactor();
} else {
throw new OperationNotImplementedException("IR with exception handlers");
}
}
LTDominators dom = new LTDominators(ir, forward);
dom.analyze(ir);
}
/**
* Compute approximate dominator/post dominator without unfactoring exception handlers. Can only
* be used if what the client wants is approximate domination (ie, if it doesn't actually have to
* be correct...)
*
* @param ir the IR
* @param forward Should we compute regular dominators, or post-dominators?
*/
public static void approximate(IR ir, boolean forward) {
LTDominators dom = new LTDominators(ir, forward);
dom.analyze(ir);
}