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re PR tree-optimization/70724 (Miscompiles python3 with FDO)
authorRichard Biener <rguenther@suse.de>
Tue, 19 Apr 2016 13:22:19 +0000 (13:22 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Tue, 19 Apr 2016 13:22:19 +0000 (13:22 +0000)
commit65f52ee9b978858ed791162f29a04f2cbcef6dbc
treec229c8622615d24353d0e083b34905437310e60ftree
parent27b95a65410ccb700752c8178fd19f1485a4b5bfcommit | diff
re PR tree-optimization/70724 (Miscompiles python3 with FDO)

2016-04-19  Richard Biener  <rguenther@suse.de>

PR tree-optimization/70724
* tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
restoring out from ...
(free_scc_vn): ... here.
* tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
* tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
tail merging.
(pass_fre::execute): Restore SSA info.

* gcc.dg/torture/pr70724.c: New testcase.

From-SVN: r235203
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/torture/pr70724.c [new file with mode: 0644] blob
gcc/tree-ssa-pre.c diff | blob | history
gcc/tree-ssa-sccvn.c diff | blob | history
gcc/tree-ssa-sccvn.h diff | blob | history