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re PR tree-optimization/37542 (PRE doesn't simplify during phi-translation)
authorRichard Guenther <rguenther@suse.de>
Sun, 2 Nov 2008 15:26:04 +0000 (15:26 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Sun, 2 Nov 2008 15:26:04 +0000 (15:26 +0000)
commit40f64141b31a3e5e8102eed09e3c58c6ea7d3ac8
tree7d774c5ca44289be14a3e90d232870e60aa071e5tree
parent15fe850fe4e170adc06c9231173a55fd10b12b2dcommit | diff
re PR tree-optimization/37542 (PRE doesn't simplify during phi-translation)

2008-11-02  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/37542
* tree-ssa-pre.c (fully_constant_expression): Handle more cases.
* tree-ssa-sccvn.c (vn_get_expr_for): Fix typo.
(vn_nary_op_lookup_stmt): Adjust for unary reference trees.
(vn_nary_op_insert_stmt): Likewise.
(visit_use): Likewise.

* gcc.dg/tree-ssa/ssa-pre-22.c: New testcase.
* gcc.c-torture/compile/20081101-1.c: Likewise.

From-SVN: r141534
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/compile/20081101-1.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-22.c [new file with mode: 0644] blob
gcc/tree-ssa-pre.c diff | blob | history
gcc/tree-ssa-sccvn.c diff | blob | history