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| author | Jan Hubicka <hubicka@gcc.gnu.org> | 2015-12-09 19:29:38 +0000 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2015-12-09 19:29:38 +0000 |
| commit | 1326155711cd4af6bdbf347b51e2a7337cf07414 (patch) | |
| tree | 4d484ae9a9e235802ede77e2da1d0a8cf358608a /gcc/tree-ssa-alias.c | |
| parent | 0a04f2dfc296b88d71a59399d3db62639580e844 (diff) | |
| download | gcc-1326155711cd4af6bdbf347b51e2a7337cf07414.zip gcc-1326155711cd4af6bdbf347b51e2a7337cf07414.tar.gz gcc-1326155711cd4af6bdbf347b51e2a7337cf07414.tar.bz2 | |
re PR lto/61886 (LTO breaks fread with _FORTIFY_SOURCE=2)
PR ipa/61886
PR middle-end/25140
* ipa-reference.c (ipa_reference_get_not_read_global,
ipa_reference_get_not_read_global): Fix WRT aliases.
(is_improper): Break out from ...
(is_proper_for_analysis): ... here; fix WRT aliases.
(analyze_function, generate_summary,
ipa_reference_write_optimization_summary,
ipa_reference_read_optimization_summary): Use ipa_reference_var_uid.
* ipa-refrence.h (ipa_reference_var_uid): New inline.
* tree-ssa-alias.c: Revert my accidental previous commit.
(ref_maybe_used_by_call_p_1,
call_may_clobber_ref_p_1): Use ipa_reference_var_uid.
From-SVN: r231471
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index c859e3f..b0ab6fb 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -1739,21 +1739,15 @@ ref_maybe_used_by_call_p_1 (gcall *call, ao_ref *ref) && TREE_STATIC (base)) { struct cgraph_node *node = cgraph_node::get (callee); + bitmap not_read; /* FIXME: Callee can be an OMP builtin that does not have a call graph node yet. We should enforce that there are nodes for all decls in the IL and remove this check instead. */ - if (node) - { - enum availability avail; - bitmap not_read; - - node = node->ultimate_alias_target (&avail); - if (avail >= AVAIL_AVAILABLE - && (not_read = ipa_reference_get_not_read_global (node)) - && bitmap_bit_p (not_read, ipa_reference_var_uid (base))) - goto process_args; - } + if (node + && (not_read = ipa_reference_get_not_read_global (node)) + && bitmap_bit_p (not_read, ipa_reference_var_uid (base))) + goto process_args; } /* Check if the base variable is call-used. */ @@ -2134,18 +2128,12 @@ call_may_clobber_ref_p_1 (gcall *call, ao_ref *ref) && TREE_STATIC (base)) { struct cgraph_node *node = cgraph_node::get (callee); + bitmap not_written; - if (node) - { - bitmap not_written; - enum availability avail; - - node = node->ultimate_alias_target (&avail); - if (avail >= AVAIL_AVAILABLE - && (not_written = ipa_reference_get_not_written_global (node)) - && bitmap_bit_p (not_written, ipa_reference_var_uid (base))) - return false; - } + if (node + && (not_written = ipa_reference_get_not_written_global (node)) + && bitmap_bit_p (not_written, ipa_reference_var_uid (base))) + return false; } /* Check if the base variable is call-clobbered. */ |