3044       if (iff->outcnt() == 2) {         // Ignore dead tests
3045         Node *bol = iff->in(1);
3046         if (bol && bol->req() > 1 && bol->in(1) &&
3047             ((bol->in(1)->Opcode() == Op_CompareAndExchangeB) ||
3048              (bol->in(1)->Opcode() == Op_CompareAndExchangeS) ||
3049              (bol->in(1)->Opcode() == Op_CompareAndExchangeI) ||
3050              (bol->in(1)->Opcode() == Op_CompareAndExchangeL) ||
3051              (bol->in(1)->Opcode() == Op_CompareAndExchangeP) ||
3052              (bol->in(1)->Opcode() == Op_CompareAndExchangeN) ||
3053              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapB) ||
3054              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapS) ||
3055              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapI) ||
3056              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapL) ||
3057              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapP) ||
3058              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapN) ||
3059              (bol->in(1)->Opcode() == Op_CompareAndSwapB) ||
3060              (bol->in(1)->Opcode() == Op_CompareAndSwapS) ||
3061              (bol->in(1)->Opcode() == Op_CompareAndSwapI) ||
3062              (bol->in(1)->Opcode() == Op_CompareAndSwapL) ||
3063              (bol->in(1)->Opcode() == Op_CompareAndSwapP) ||
3064              (bol->in(1)->Opcode() == Op_CompareAndSwapN) ||
3065              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndExchangeP) ||
3066              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndExchangeN) ||
3067              (bol->in(1)->Opcode() == Op_ShenandoahWeakCompareAndSwapP) ||
3068              (bol->in(1)->Opcode() == Op_ShenandoahWeakCompareAndSwapN) ||
3069              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndSwapP) ||
3070              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndSwapN)))
3071           return;               // Allocation loops RARELY take backedge
3072         // Find the OTHER exit path from the IF
3073         Node* ex = iff->proj_out(1-test_con);
3074         float p = iff->_prob;
3075         if (!phase->is_member(this, ex) && iff->_fcnt == COUNT_UNKNOWN) {
3076           if (top == Op_IfTrue) {
3077             if (p < (PROB_FAIR + PROB_UNLIKELY_MAG(3))) {
3078               iff->_prob = PROB_STATIC_FREQUENT;
3079             }
3080           } else {
3081             if (p > (PROB_FAIR - PROB_UNLIKELY_MAG(3))) {
3082               iff->_prob = PROB_STATIC_INFREQUENT;
3083             }
3084           }
3085         }
3086       }
3087     }
3088     test = phase->idom(test);
3089   }
3090 }

3044       if (iff->outcnt() == 2) {         // Ignore dead tests
3045         Node *bol = iff->in(1);
3046         if (bol && bol->req() > 1 && bol->in(1) &&
3047             ((bol->in(1)->Opcode() == Op_CompareAndExchangeB) ||
3048              (bol->in(1)->Opcode() == Op_CompareAndExchangeS) ||
3049              (bol->in(1)->Opcode() == Op_CompareAndExchangeI) ||
3050              (bol->in(1)->Opcode() == Op_CompareAndExchangeL) ||
3051              (bol->in(1)->Opcode() == Op_CompareAndExchangeP) ||
3052              (bol->in(1)->Opcode() == Op_CompareAndExchangeN) ||
3053              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapB) ||
3054              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapS) ||
3055              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapI) ||
3056              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapL) ||
3057              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapP) ||
3058              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapN) ||
3059              (bol->in(1)->Opcode() == Op_CompareAndSwapB) ||
3060              (bol->in(1)->Opcode() == Op_CompareAndSwapS) ||
3061              (bol->in(1)->Opcode() == Op_CompareAndSwapI) ||
3062              (bol->in(1)->Opcode() == Op_CompareAndSwapL) ||
3063              (bol->in(1)->Opcode() == Op_CompareAndSwapP) ||
3064              (bol->in(1)->Opcode() == Op_CompareAndSwapN)))






3065           return;               // Allocation loops RARELY take backedge
3066         // Find the OTHER exit path from the IF
3067         Node* ex = iff->proj_out(1-test_con);
3068         float p = iff->_prob;
3069         if (!phase->is_member(this, ex) && iff->_fcnt == COUNT_UNKNOWN) {
3070           if (top == Op_IfTrue) {
3071             if (p < (PROB_FAIR + PROB_UNLIKELY_MAG(3))) {
3072               iff->_prob = PROB_STATIC_FREQUENT;
3073             }
3074           } else {
3075             if (p > (PROB_FAIR - PROB_UNLIKELY_MAG(3))) {
3076               iff->_prob = PROB_STATIC_INFREQUENT;
3077             }
3078           }
3079         }
3080       }
3081     }
3082     test = phase->idom(test);
3083   }
3084 }