r195318 - in /trunk/gcc: ChangeLog testsuite/Ch...

[law@gcc.gnu.org]

Author: law
Date: Sun Jan 20 05:00:56 2013
New Revision: 195318

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195318
Log:
        PR tree-optimization/52631
        * tree-ssa-sccvn (visit_use): Before looking up the original
        statement, try looking up the simplified expression.

        PR tree-optimization/52631
        * tree-ssa/pr52631.c: New test.
        * tree-ssa/ssa-fre-9: Update expected output.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr52631.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c
    trunk/gcc/tree-ssa-sccvn.c