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6601321: Assert(j == 1 || b->_nodes[j-1]->is_Phi(),"CreateEx must be first instruction in block")

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Reviewed-by: kvn, rasbold, sgoldman, jrose
This commit is contained in:
Tom Rodriguez 2008-04-23 13:57:14 -07:00
parent 69155d87f9
commit 041877583d
1 changed files with 4 additions and 0 deletions
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4
hotspot/src/share/vm/opto/lcm.cpp
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@ -629,6 +629,10 @@ bool Block::schedule_local(PhaseCFG *cfg, Matcher &matcher, int *ready_cnt, Vect
// of the phi to be scheduled first. The select() method breaks
// ties in scheduling by worklist order.
delay.push(m);
} else if (m->is_Mach() && m->as_Mach()->ideal_Opcode() == Op_CreateEx) {
// Force the CreateEx to the top of the list so it's processed
// first and ends up at the start of the block.
worklist.insert(0, m);
} else {
worklist.push(m); // Then on to worklist!
}