Request for reviews (XS): 6883468 for HS16 and HS17
Vladimir.Kozlov at Sun.COM
Fri Sep 25 09:23:19 PDT 2009
Fixed 6883468: C2 compiler enters infinite loop in PhaseIterGVN::transform
There is ideal transformation ping-pong between AddPNode::Ideal()
for raw pointer and CastX2PNode::Ideal() transformation which
reconstruct raw AddP node again with the same input SubI(#0, Phi).
Avoid transformation in CastX2PNode::Ideal() if input is SubI node
and its in(1) is ConI(#0).
Fix verified (y/n): y, by customer
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