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| author | Jeff Law <law@redhat.com> | 2015-12-21 20:09:08 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2015-12-21 20:09:08 -0700 |
| commit | 102a9b43207e6fb7d427e23382a1f9b148829b34 (patch) | |
| tree | b34f61f7c00e0684439297efcda0a5a8e496b585 /gcc | |
| parent | 399f5feb92e4c588ec230d4a0b8ac9b0fa95d7ed (diff) | |
| download | gcc-102a9b43207e6fb7d427e23382a1f9b148829b34.zip gcc-102a9b43207e6fb7d427e23382a1f9b148829b34.tar.gz gcc-102a9b43207e6fb7d427e23382a1f9b148829b34.tar.bz2 | |
dbgcnt.def (dom_unreachable_edges): New debug counter.
* dbgcnt.def (dom_unreachable_edges): New debug counter.
* tree-ssa-dom.c: Include dbgcnt.h
(dom_opt_dom_walker::before_dom_children): Handle the new counter.
From-SVN: r231896
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/dbgcnt.def | 1 | ||||
| -rw-r--r-- | gcc/tree-ssa-dom.c | 4 |
3 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f1f1d69..9e3ab5a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-12-21 Jeff Law <law@redhat.com> + + * dbgcnt.def (dom_unreachable_edges): New debug counter. + * tree-ssa-dom.c: Include dbgcnt.h + (dom_opt_dom_walker::before_dom_children): Handle the new counter. + 2015-12-21 Andrew Pinski <apinski@cavium.com> * config/aarch64/aarch64-option-extensions.def (LSE): Change diff --git a/gcc/dbgcnt.def b/gcc/dbgcnt.def index 583b16b..65f18fb 100644 --- a/gcc/dbgcnt.def +++ b/gcc/dbgcnt.def @@ -192,3 +192,4 @@ DEBUG_COUNTER (treepre_insert) DEBUG_COUNTER (tree_sra) DEBUG_COUNTER (vect_loop) DEBUG_COUNTER (vect_slp) +DEBUG_COUNTER (dom_unreachable_edges) diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index 88fc517..1b689a0 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -44,6 +44,7 @@ along with GCC; see the file COPYING3. If not see #include "tree-ssa-dom.h" #include "gimplify.h" #include "tree-cfgcleanup.h" +#include "dbgcnt.h" /* This file implements optimizations on the dominator tree. */ @@ -1369,6 +1370,9 @@ dom_opt_dom_walker::before_dom_children (basic_block bb) /* Now prepare to process dominated blocks. */ record_edge_info (bb); cprop_into_successor_phis (bb, m_const_and_copies); + if (taken_edge && !dbg_cnt (dom_unreachable_edges)) + return NULL; + return taken_edge; } |