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re PR tree-optimization/52631 (VN does not use simplified expression for lookup)
authorJeff Law <law@gcc.gnu.org>
Sun, 20 Jan 2013 05:00:56 +0000 (22:00 -0700)
committerJeff Law <law@gcc.gnu.org>
Sun, 20 Jan 2013 05:00:56 +0000 (22:00 -0700)
commit5630e3e157a10a74e925de90e9badee11996a225
treeda83783cfe5329522a7123873999d87c323e4415tree
parent424bac94825a2dda9eafecae640d5952e0c40108commit | diff
re PR tree-optimization/52631 (VN does not use simplified expression for lookup)

        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.

From-SVN: r195318
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/tree-ssa/pr52631.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c diff | blob | history
gcc/tree-ssa-sccvn.c diff | blob | history