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authorRichard Guenther <rguenther@suse.de>2010-04-30 08:18:51 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2010-04-30 08:18:51 +0000
commit0646825443aef1495f97f719f91fdc7a5c1e26f8 (patch)
treec6ff670cbfdd68868a66b9b4e1ca2e9bd5e76882 /gcc/builtins.c
parent8cdea6ab132a3624569e3dd32eabff4d84fb5a25 (diff)
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builtins.c (fold_builtin_1): Delete free (0).
2010-04-30 Richard Guenther <rguenther@suse.de> * builtins.c (fold_builtin_1): Delete free (0). * gcc.dg/tree-ssa/builtin-free.c: New testcase. From-SVN: r158923
Diffstat (limited to 'gcc/builtins.c')
-rw-r--r--gcc/builtins.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c
index 997c13a..b514ae0 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -9817,7 +9817,6 @@ fold_builtin_1 (location_t loc, tree fndecl, tree arg0, bool ignore)
enum built_in_function fcode = DECL_FUNCTION_CODE (fndecl);
switch (fcode)
{
-
case BUILT_IN_CONSTANT_P:
{
tree val = fold_builtin_constant_p (arg0);
@@ -10199,6 +10198,11 @@ fold_builtin_1 (location_t loc, tree fndecl, tree arg0, bool ignore)
case BUILT_IN_VPRINTF:
return fold_builtin_printf (loc, fndecl, arg0, NULL_TREE, ignore, fcode);
+ case BUILT_IN_FREE:
+ if (integer_zerop (arg0))
+ return build_empty_stmt (loc);
+ break;
+
default:
break;
}