diff options
| author | Richard Biener <rguenther@suse.de> | 2019-04-15 10:09:08 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-04-15 10:09:08 +0000 |
| commit | 869032b176d57ca8c8864a7818394106ca665d06 (patch) | |
| tree | 091ea0a9c663a03956c774a6a3a164628d4e9f04 /gcc/tree.h | |
| parent | 79a18702006d53bc378affcd5dd6c8df7883b58f (diff) | |
re PR ipa/88936 (-fipa-pta breaks bash (incorrect optimisation of recursive static function))
2019-04-15 Richard Biener <rguenther@suse.de>
PR ipa/88936
* tree.h (auto_var_p): Declare.
* tree.c (auto_var_p): New function, split out from ...
(auto_var_in_fn_p): ... here.
* tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
member.
(new_var_info): Initialize it.
(set_uids_in_ptset): Also set the shadow variable uid if required.
(ipa_pta_execute): Postprocess points-to solutions assigning
shadow variable uids for locals that may reach their containing
function recursively.
* tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
assert but instead check whether the points-to solution is
a singleton.
* gcc.dg/torture/pr88936-1.c: New testcase.
* gcc.dg/torture/pr88936-2.c: Likewise.
* gcc.dg/torture/pr88936-3.c: Likewise.
From-SVN: r270366
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree.h b/gcc/tree.h index 94a810694a5..7c00c292eb9 100644 --- a/gcc/tree.h +++ b/gcc/tree.h @@ -4893,6 +4893,7 @@ extern bool stdarg_p (const_tree); extern bool prototype_p (const_tree); extern bool is_typedef_decl (const_tree x); extern bool typedef_variant_p (const_tree); +extern bool auto_var_p (const_tree); extern bool auto_var_in_fn_p (const_tree, const_tree); extern tree build_low_bits_mask (tree, unsigned); extern bool tree_nop_conversion_p (const_tree, const_tree); |