6601321: Assert(j == 1 || b->_nodes[j-1]->is_Phi(),"CreateEx must be first instruction in block")
Reviewed-by: kvn, rasbold, sgoldman, jrose
--- a/hotspot/src/share/vm/opto/lcm.cpp Wed Apr 23 11:20:36 2008 -0700
+++ b/hotspot/src/share/vm/opto/lcm.cpp Wed Apr 23 13:57:14 2008 -0700
@@ -629,6 +629,10 @@
// 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!
}