[Bug tree-optimization/26939] PRE confuses loop number of iterations analysis

[rguenth at gcc dot gnu dot org]

------- Comment #8 from rguenth at gcc dot gnu dot org  2006-03-30 15:29 -------
Just for the record, the attached patch bootstrapped and regtested on
x86_64-unknown-linux-gnu, with the following fallout:

FAIL: gcc.dg/tree-ssa/loadpre4.c scan-tree-dump-times Eliminated: 1 1
FAIL: gcc.dg/tree-ssa/loadpre6.c scan-tree-dump-times Eliminated: 2 1


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26939