3047       if (iff->outcnt() == 2) {         // Ignore dead tests
3048         Node *bol = iff->in(1);
3049         if (bol && bol->req() > 1 && bol->in(1) &&
3050             ((bol->in(1)->Opcode() == Op_CompareAndExchangeB) ||
3051              (bol->in(1)->Opcode() == Op_CompareAndExchangeS) ||
3052              (bol->in(1)->Opcode() == Op_CompareAndExchangeI) ||
3053              (bol->in(1)->Opcode() == Op_CompareAndExchangeL) ||
3054              (bol->in(1)->Opcode() == Op_CompareAndExchangeP) ||
3055              (bol->in(1)->Opcode() == Op_CompareAndExchangeN) ||
3056              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapB) ||
3057              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapS) ||
3058              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapI) ||
3059              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapL) ||
3060              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapP) ||
3061              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapN) ||
3062              (bol->in(1)->Opcode() == Op_CompareAndSwapB) ||
3063              (bol->in(1)->Opcode() == Op_CompareAndSwapS) ||
3064              (bol->in(1)->Opcode() == Op_CompareAndSwapI) ||
3065              (bol->in(1)->Opcode() == Op_CompareAndSwapL) ||
3066              (bol->in(1)->Opcode() == Op_CompareAndSwapP) ||
3067              (bol->in(1)->Opcode() == Op_CompareAndSwapN) ||
3068              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndExchangeP) ||
3069              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndExchangeN) ||
3070              (bol->in(1)->Opcode() == Op_ShenandoahWeakCompareAndSwapP) ||
3071              (bol->in(1)->Opcode() == Op_ShenandoahWeakCompareAndSwapN) ||
3072              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndSwapP) ||
3073              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndSwapN)))
3074           return;               // Allocation loops RARELY take backedge
3075         // Find the OTHER exit path from the IF
3076         Node* ex = iff->proj_out(1-test_con);
3077         float p = iff->_prob;
3078         if (!phase->is_member(this, ex) && iff->_fcnt == COUNT_UNKNOWN) {
3079           if (top == Op_IfTrue) {
3080             if (p < (PROB_FAIR + PROB_UNLIKELY_MAG(3))) {
3081               iff->_prob = PROB_STATIC_FREQUENT;
3082             }
3083           } else {
3084             if (p > (PROB_FAIR - PROB_UNLIKELY_MAG(3))) {
3085               iff->_prob = PROB_STATIC_INFREQUENT;
3086             }
3087           }
3088         }
3089       }
3090     }
3091     test = phase->idom(test);
3092   }
3093 }

3047       if (iff->outcnt() == 2) {         // Ignore dead tests
3048         Node *bol = iff->in(1);
3049         if (bol && bol->req() > 1 && bol->in(1) &&
3050             ((bol->in(1)->Opcode() == Op_CompareAndExchangeB) ||
3051              (bol->in(1)->Opcode() == Op_CompareAndExchangeS) ||
3052              (bol->in(1)->Opcode() == Op_CompareAndExchangeI) ||
3053              (bol->in(1)->Opcode() == Op_CompareAndExchangeL) ||
3054              (bol->in(1)->Opcode() == Op_CompareAndExchangeP) ||
3055              (bol->in(1)->Opcode() == Op_CompareAndExchangeN) ||
3056              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapB) ||
3057              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapS) ||
3058              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapI) ||
3059              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapL) ||
3060              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapP) ||
3061              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapN) ||
3062              (bol->in(1)->Opcode() == Op_CompareAndSwapB) ||
3063              (bol->in(1)->Opcode() == Op_CompareAndSwapS) ||
3064              (bol->in(1)->Opcode() == Op_CompareAndSwapI) ||
3065              (bol->in(1)->Opcode() == Op_CompareAndSwapL) ||
3066              (bol->in(1)->Opcode() == Op_CompareAndSwapP) ||
3067              (bol->in(1)->Opcode() == Op_CompareAndSwapN)))






3068           return;               // Allocation loops RARELY take backedge
3069         // Find the OTHER exit path from the IF
3070         Node* ex = iff->proj_out(1-test_con);
3071         float p = iff->_prob;
3072         if (!phase->is_member(this, ex) && iff->_fcnt == COUNT_UNKNOWN) {
3073           if (top == Op_IfTrue) {
3074             if (p < (PROB_FAIR + PROB_UNLIKELY_MAG(3))) {
3075               iff->_prob = PROB_STATIC_FREQUENT;
3076             }
3077           } else {
3078             if (p > (PROB_FAIR - PROB_UNLIKELY_MAG(3))) {
3079               iff->_prob = PROB_STATIC_INFREQUENT;
3080             }
3081           }
3082         }
3083       }
3084     }
3085     test = phase->idom(test);
3086   }
3087 }