Mercurial > hg > truffle
diff src/share/vm/opto/block.cpp @ 566:91263420e1c6
6791852: assert(b->_nodes[insidx] == n,"got insidx set incorrectly")
Summary: Move the CreateEx up before each round of IFG construction
Reviewed-by: never, phh
author | kvn |
---|---|
date | Fri, 06 Feb 2009 13:31:03 -0800 |
parents | 72c5366e5d86 |
children | 0fbdb4381b99 523ded093c31 |
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--- a/src/share/vm/opto/block.cpp Thu Feb 05 14:43:58 2009 -0800 +++ b/src/share/vm/opto/block.cpp Fri Feb 06 13:31:03 2009 -0800 @@ -880,6 +880,7 @@ } void PhaseCFG::verify( ) const { +#ifdef ASSERT // Verify sane CFG for( uint i = 0; i < _num_blocks; i++ ) { Block *b = _blocks[i]; @@ -894,10 +895,20 @@ "CreateEx must be first instruction in block" ); } for( uint k = 0; k < n->req(); k++ ) { - Node *use = n->in(k); - if( use && use != n ) { - assert( _bbs[use->_idx] || use->is_Con(), + Node *def = n->in(k); + if( def && def != n ) { + assert( _bbs[def->_idx] || def->is_Con(), "must have block; constants for debug info ok" ); + // Verify that instructions in the block is in correct order. + // Uses must follow their definition if they are at the same block. + // Mostly done to check that MachSpillCopy nodes are placed correctly + // when CreateEx node is moved in build_ifg_physical(). + if( _bbs[def->_idx] == b && + !(b->head()->is_Loop() && n->is_Phi()) && + // See (+++) comment in reg_split.cpp + !(n->jvms() != NULL && n->jvms()->is_monitor_use(k)) ) { + assert( b->find_node(def) < j, "uses must follow definitions" ); + } } } } @@ -914,6 +925,7 @@ assert( b->_num_succs == 2, "Conditional branch must have two targets"); } } +#endif } #endif