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| author | Richard Biener <rguenther@suse.de> | 2014-05-16 08:05:50 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-05-16 08:05:50 +0000 |
| commit | a764d66099b476db7d59829da1b86fd4a701523f (patch) | |
| tree | 6b4c7eeefda2e10dbce6363164cd1f14df8d78f7 /gcc/fold-const.c | |
| parent | a27c386001166cec7abc12d54e96413022bcc747 (diff) | |
| download | gcc-a764d66099b476db7d59829da1b86fd4a701523f.zip gcc-a764d66099b476db7d59829da1b86fd4a701523f.tar.gz gcc-a764d66099b476db7d59829da1b86fd4a701523f.tar.bz2 | |
tree-ssa-sccvn.c: Include tree-cfg.h and domwalk.h.
2014-05-16 Richard Biener <rguenther@suse.de>
* tree-ssa-sccvn.c: Include tree-cfg.h and domwalk.h.
(set_ssa_val_to): Handle unexpected sets to VN_TOP.
(visit_phi): Ignore edges marked as not executable.
(class cond_dom_walker): New.
(cond_dom_walker::before_dom_children): Value-number
control statements and mark successor edges as not
executable if possible.
(run_scc_vn): First walk all control statements in
dominator order, marking edges as not executable.
* tree-inline.c (copy_edges_for_bb): Be not confused
about random edge flags.
* gcc.dg/tree-ssa/ssa-fre-39.c: New testcase.
* gcc.dg/tree-ssa/ssa-fre-40.c: Likewise.
* gcc.dg/tree-ssa/ssa-pre-8.c: One more elimination.
* gcc.dg/tree-ssa/struct-aliasing-2.c: Scan cddce1 dump.
From-SVN: r210492
Diffstat (limited to 'gcc/fold-const.c')
0 files changed, 0 insertions, 0 deletions