98   PhiCandidate& phi_candidate = result.first->second;  in CreatePhiCandidate()  local
99   return phi_candidate;  in CreatePhiCandidate()
131 uint32_t SSARewriter::TryRemoveTrivialPhi(PhiCandidate* phi_candidate) {  in TryRemoveTrivialPhi()  argument
133   for (uint32_t arg_id : phi_candidate->phi_args()) {  in TryRemoveTrivialPhi()
134     if (arg_id == same_id || arg_id == phi_candidate->result_id()) {  in TryRemoveTrivialPhi()
141       assert(phi_candidate->copy_of() == 0 &&  in TryRemoveTrivialPhi()
143       return phi_candidate->result_id();  in TryRemoveTrivialPhi()
156   phi_candidate->MarkCopyOf(same_id);  in TryRemoveTrivialPhi()
162   ReplacePhiUsersWith(*phi_candidate, same_id);  in TryRemoveTrivialPhi()
167 uint32_t SSARewriter::AddPhiOperands(PhiCandidate* phi_candidate) {  in AddPhiOperands()  argument
168   assert(phi_candidate->phi_args().size() == 0 &&  in AddPhiOperands()
172   for (uint32_t pred : pass_->cfg()->preds(phi_candidate->bb()->id())) {  in AddPhiOperands()
209                           ? GetReachingDef(phi_candidate->var_id(), pred_bb)  in AddPhiOperands()
211     phi_candidate->phi_args().push_back(arg_id);  in AddPhiOperands()
219       if (defining_phi && defining_phi != phi_candidate) {  in AddPhiOperands()
220         defining_phi->AddUser(phi_candidate->result_id());  in AddPhiOperands()
228     phi_candidate->MarkIncomplete();  in AddPhiOperands()
229     incomplete_phis_.push(phi_candidate);  in AddPhiOperands()
230     return phi_candidate->result_id();  in AddPhiOperands()
234   uint32_t repl_id = TryRemoveTrivialPhi(phi_candidate);  in AddPhiOperands()
235   if (repl_id == phi_candidate->result_id()) {  in AddPhiOperands()
238     phi_candidate->MarkComplete();  in AddPhiOperands()
239     phis_to_generate_.push_back(phi_candidate);  in AddPhiOperands()
273     PhiCandidate& phi_candidate = CreatePhiCandidate(var_id, bb);  in GetReachingDef()  local
276     WriteVariable(var_id, bb, phi_candidate.result_id());  in GetReachingDef()
277     val_id = AddPhiOperands(&phi_candidate);  in GetReachingDef()
477 uint32_t SSARewriter::GetPhiArgument(const PhiCandidate* phi_candidate,  in GetPhiArgument()  argument
479   assert(phi_candidate->IsReady() &&  in GetPhiArgument()
482   uint32_t arg_id = phi_candidate->phi_args()[ix];  in GetPhiArgument()
511   for (const PhiCandidate* phi_candidate : phis_to_generate_) {  in ApplyReplacements()  local
513     std::cerr << "Phi candidate: " << phi_candidate->PrettyPrint(pass_->cfg())  in ApplyReplacements()
517     assert(phi_candidate->is_complete() &&  in ApplyReplacements()
521     auto* local_var = pass_->get_def_use_mgr()->GetDef(phi_candidate->var_id());  in ApplyReplacements()
528     for (uint32_t pred_label : pass_->cfg()->preds(phi_candidate->bb()->id())) {  in ApplyReplacements()
529       uint32_t op_val_id = GetPhiArgument(phi_candidate, arg_ix++);  in ApplyReplacements()
549                         phi_candidate->result_id(), phi_operands));  in ApplyReplacements()
552     pass_->context()->set_instr_block(&*phi_inst, phi_candidate->bb());  in ApplyReplacements()
553     auto insert_it = phi_candidate->bb()->begin();  in ApplyReplacements()
556         phi_candidate->var_id(), phi_candidate->result_id(),  in ApplyReplacements()
562         &*insert_it, phi_candidate->var_id(), phi_candidate->result_id(),  in ApplyReplacements()
607 void SSARewriter::FinalizePhiCandidate(PhiCandidate* phi_candidate) {  in FinalizePhiCandidate()  argument
608   assert(phi_candidate->phi_args().size() > 0 &&  in FinalizePhiCandidate()
612   for (uint32_t pred : pass_->cfg()->preds(phi_candidate->bb()->id())) {  in FinalizePhiCandidate()
614     uint32_t& arg_id = phi_candidate->phi_args()[ix++];  in FinalizePhiCandidate()
619                    ? GetReachingDef(phi_candidate->var_id(), pred_bb)  in FinalizePhiCandidate()
620                    : pass_->GetUndefVal(phi_candidate->var_id());  in FinalizePhiCandidate()
625   phi_candidate->MarkComplete();  in FinalizePhiCandidate()
629   if (TryRemoveTrivialPhi(phi_candidate) == phi_candidate->result_id()) {  in FinalizePhiCandidate()
632     assert(!phi_candidate->copy_of() && "A completed Phi cannot be trivial.");  in FinalizePhiCandidate()
633     phis_to_generate_.push_back(phi_candidate);  in FinalizePhiCandidate()
646     PhiCandidate* phi_candidate = incomplete_phis_.front();  in FinalizePhiCandidates()  local
648     FinalizePhiCandidate(phi_candidate);  in FinalizePhiCandidates()