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comparison src/share/vm/opto/loopopts.cpp @ 253:b0fe4deeb9fb

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6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") Summary: Escape Analysis fixes. Reviewed-by: never, rasbold
author kvn
date Mon, 28 Jul 2008 17:12:52 -0700
parents 020a0b730379
children c3e045194476
comparison
equal deleted inserted replaced
252:be7facf71163 253:b0fe4deeb9fb
576 // Attempt to use a conditional move instead of a phi/branch 576 // Attempt to use a conditional move instead of a phi/branch
577 if( ConditionalMoveLimit > 0 && n_op == Op_Region ) { 577 if( ConditionalMoveLimit > 0 && n_op == Op_Region ) {
578 Node *cmov = conditional_move( n ); 578 Node *cmov = conditional_move( n );
579 if( cmov ) return cmov; 579 if( cmov ) return cmov;
580 } 580 }
581 if( n->is_CFG() || n_op == Op_StorePConditional || n_op == Op_StoreLConditional || n_op == Op_CompareAndSwapI || n_op == Op_CompareAndSwapL ||n_op == Op_CompareAndSwapP) return n; 581 if( n->is_CFG() || n->is_LoadStore() )
582 return n;
582 if( n_op == Op_Opaque1 || // Opaque nodes cannot be mod'd 583 if( n_op == Op_Opaque1 || // Opaque nodes cannot be mod'd
583 n_op == Op_Opaque2 ) { 584 n_op == Op_Opaque2 ) {
584 if( !C->major_progress() ) // If chance of no more loop opts... 585 if( !C->major_progress() ) // If chance of no more loop opts...
585 _igvn._worklist.push(n); // maybe we'll remove them 586 _igvn._worklist.push(n); // maybe we'll remove them
586 return n; 587 return n;