3046       if (iff->outcnt() == 2) {         // Ignore dead tests
3047         Node *bol = iff->in(1);
3048         if (bol && bol->req() > 1 && bol->in(1) &&
3049             ((bol->in(1)->Opcode() == Op_CompareAndExchangeB) ||
3050              (bol->in(1)->Opcode() == Op_CompareAndExchangeS) ||
3051              (bol->in(1)->Opcode() == Op_CompareAndExchangeI) ||
3052              (bol->in(1)->Opcode() == Op_CompareAndExchangeL) ||
3053              (bol->in(1)->Opcode() == Op_CompareAndExchangeP) ||
3054              (bol->in(1)->Opcode() == Op_CompareAndExchangeN) ||
3055              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapB) ||
3056              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapS) ||
3057              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapI) ||
3058              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapL) ||
3059              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapP) ||
3060              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapN) ||
3061              (bol->in(1)->Opcode() == Op_CompareAndSwapB) ||
3062              (bol->in(1)->Opcode() == Op_CompareAndSwapS) ||
3063              (bol->in(1)->Opcode() == Op_CompareAndSwapI) ||
3064              (bol->in(1)->Opcode() == Op_CompareAndSwapL) ||
3065              (bol->in(1)->Opcode() == Op_CompareAndSwapP) ||
3066              (bol->in(1)->Opcode() == Op_CompareAndSwapN) ||
3067              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndExchangeP) ||
3068              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndExchangeN) ||
3069              (bol->in(1)->Opcode() == Op_ShenandoahWeakCompareAndSwapP) ||
3070              (bol->in(1)->Opcode() == Op_ShenandoahWeakCompareAndSwapN) ||
3071              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndSwapP) ||
3072              (bol->in(1)->Opcode() == Op_ShenandoahCompareAndSwapN)))
3073           return;               // Allocation loops RARELY take backedge
3074         // Find the OTHER exit path from the IF
3075         Node* ex = iff->proj_out(1-test_con);
3076         float p = iff->_prob;
3077         if (!phase->is_member(this, ex) && iff->_fcnt == COUNT_UNKNOWN) {
3078           if (top == Op_IfTrue) {
3079             if (p < (PROB_FAIR + PROB_UNLIKELY_MAG(3))) {
3080               iff->_prob = PROB_STATIC_FREQUENT;
3081             }
3082           } else {
3083             if (p > (PROB_FAIR - PROB_UNLIKELY_MAG(3))) {
3084               iff->_prob = PROB_STATIC_INFREQUENT;
3085             }
3086           }
3087         }
3088       }
3089     }
3090     test = phase->idom(test);
3091   }
3092 }

3046       if (iff->outcnt() == 2) {         // Ignore dead tests
3047         Node *bol = iff->in(1);
3048         if (bol && bol->req() > 1 && bol->in(1) &&
3049             ((bol->in(1)->Opcode() == Op_CompareAndExchangeB) ||
3050              (bol->in(1)->Opcode() == Op_CompareAndExchangeS) ||
3051              (bol->in(1)->Opcode() == Op_CompareAndExchangeI) ||
3052              (bol->in(1)->Opcode() == Op_CompareAndExchangeL) ||
3053              (bol->in(1)->Opcode() == Op_CompareAndExchangeP) ||
3054              (bol->in(1)->Opcode() == Op_CompareAndExchangeN) ||
3055              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapB) ||
3056              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapS) ||
3057              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapI) ||
3058              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapL) ||
3059              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapP) ||
3060              (bol->in(1)->Opcode() == Op_WeakCompareAndSwapN) ||
3061              (bol->in(1)->Opcode() == Op_CompareAndSwapB) ||
3062              (bol->in(1)->Opcode() == Op_CompareAndSwapS) ||
3063              (bol->in(1)->Opcode() == Op_CompareAndSwapI) ||
3064              (bol->in(1)->Opcode() == Op_CompareAndSwapL) ||
3065              (bol->in(1)->Opcode() == Op_CompareAndSwapP) ||
3066              (bol->in(1)->Opcode() == Op_CompareAndSwapN)))






3067           return;               // Allocation loops RARELY take backedge
3068         // Find the OTHER exit path from the IF
3069         Node* ex = iff->proj_out(1-test_con);
3070         float p = iff->_prob;
3071         if (!phase->is_member(this, ex) && iff->_fcnt == COUNT_UNKNOWN) {
3072           if (top == Op_IfTrue) {
3073             if (p < (PROB_FAIR + PROB_UNLIKELY_MAG(3))) {
3074               iff->_prob = PROB_STATIC_FREQUENT;
3075             }
3076           } else {
3077             if (p > (PROB_FAIR - PROB_UNLIKELY_MAG(3))) {
3078               iff->_prob = PROB_STATIC_INFREQUENT;
3079             }
3080           }
3081         }
3082       }
3083     }
3084     test = phase->idom(test);
3085   }
3086 }