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re PR tree-optimization/69726 (Bogus warnings with -O3 -Wuninitialized because dead...
authorRichard Biener <rguenther@suse.de>
Wed, 10 Feb 2016 12:46:33 +0000 (12:46 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Wed, 10 Feb 2016 12:46:33 +0000 (12:46 +0000)
commit24a179f835ec7ce4376071d3744ecd0083841ae7
treecb6e744fe6c158fa16fa2ad7250600acb7a156a8tree
parent066c14c940a7a20f53216f0e05a85c429e5e33eacommit | diff
re PR tree-optimization/69726 (Bogus warnings with -O3 -Wuninitialized because dead code after if-conversion)

2016-02-10  Richard Biener  <rguenther@suse.de>

PR tree-optimization/69726
* passes.def: Add DCE pass before late uninit.
* match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
really fixup if-conversions job.

* gcc.dg/uninit-22.c: New testcase.

From-SVN: r233267
gcc/ChangeLog diff | blob | history
gcc/match.pd diff | blob | history
gcc/passes.def diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/uninit-22.c [new file with mode: 0644] blob