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authormeyering <meyering@138bc75d-0d04-0410-961f-82ee72b054a4>2011-04-20 18:19:03 +0000
committermeyering <meyering@138bc75d-0d04-0410-961f-82ee72b054a4>2011-04-20 18:19:03 +0000
commitdd045aeeddc65c15840ac25e90f729e2805dfc17 (patch)
treee56a024bf4863c42aaa3f941f466a849bb9d3b82 /gcc/sese.c
parentff3aed6233b16f02b26f82b3dac7d604aac42641 (diff)
downloadgcc-dd045aeeddc65c15840ac25e90f729e2805dfc17.tar.gz
remove useless if-before-free tests
Change "if (E) free (E);" to "free (E);" everywhere except in the libgo/, intl/, zlib/ and classpath/ directories. Also transform equivalent variants like "if (E != NULL) free (E);" and allow an extra cast on the argument to free. Otherwise, the tested and freed "E" expressions must be identical, modulo white space. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@172785 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/sese.c')
-rw-r--r--gcc/sese.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/gcc/sese.c b/gcc/sese.c
index bfb0276d3a8..3ce83b9f7c1 100644
--- a/gcc/sese.c
+++ b/gcc/sese.c
@@ -449,8 +449,7 @@ set_rename (htab_t rename_map, tree old_name, tree expr)
if (!slot)
return;
- if (*slot)
- free (*slot);
+ free (*slot);
*slot = new_rename_map_elt (old_name, expr);
}
@@ -676,8 +675,7 @@ if_region_set_false_region (ifsese if_region, sese region)
SESE_EXIT (region) = false_edge;
- if (if_region->false_region)
- free (if_region->false_region);
+ free (if_region->false_region);
if_region->false_region = region;
if (slot)