RFR(XS): 8028207: assert(_outcnt==1) failed: not unique in compile.cpp
rickard.backman at oracle.com
Tue Nov 12 22:10:33 PST 2013
On 11/12, Vladimir Kozlov wrote:
> On 11/12/13 6:23 AM, Rickard Bäckman wrote:
> >can I have this small change reviewed please?
> >When having two MathExactNodes with identical input, where one doesn't
> >dominate the other we get a problem where the BoolNode controlling the
> >overflow gets multiple IfNodes.
> >In final_graph_reshaping we want to set the control edge of each node
> >that uses the result of the MathExactNode to the non-throwing branch of
> >that If. If there is more than one there is no way of saying which use
> >requires which If.
> >Webrev: http://cr.openjdk.java.net/~rbackman/8028207/
> >Bug: https://bugs.openjdk.java.net/browse/JDK-8028207
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