Mercurial > hg > truffle
changeset 1153:bea7a22a6f79
6915110: IfNode::up_one_dom moves beyond RootNode bug in src/share/vm/opto/ifnode.cpp
Summary: Check RootNode before check Loop in IfNode::up_one_dom().
Reviewed-by: never
Contributed-by: kevin.brown@sun.com
author | kvn |
---|---|
date | Fri, 08 Jan 2010 09:42:31 -0800 |
parents | cd37471eaecc |
children | 174ade00803b 4e6abf09f540 |
files | src/share/vm/opto/ifnode.cpp |
diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/share/vm/opto/ifnode.cpp Fri Jan 08 11:09:46 2010 +0100 +++ b/src/share/vm/opto/ifnode.cpp Fri Jan 08 09:42:31 2010 -0800 @@ -531,6 +531,9 @@ if (linear_only) return NULL; + if( dom->is_Root() ) + return NULL; + // Else hit a Region. Check for a loop header if( dom->is_Loop() ) return dom->in(1); // Skip up thru loops