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8259316: [REDO] C1/C2 compiler support for blackholes

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Reviewed-by: vlivanov, kvn, iignatyev
This commit is contained in:
Aleksey Shipilev 2021-05-05 14:27:21 +00:00
parent f07bb2f4b9
commit 6018336fc5
32 changed files with 1167 additions and 6 deletions
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2
src/hotspot/share/opto/compile.cpp
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@ -3519,6 +3519,8 @@ void Compile::final_graph_reshaping_main_switch(Node* n, Final_Reshape_Counts& f
}
break;
}
case Op_Blackhole:
break;
case Op_RangeCheck: {
RangeCheckNode* rc = n->as_RangeCheck();
Node* iff = new IfNode(rc->in(0), rc->in(1), rc->_prob, rc->_fcnt);