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| author | Jan Hubicka <hubicka@ucw.cz> | 2014-06-24 05:07:13 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2014-06-24 03:07:13 +0000 |
| commit | eb6a09a72512d4280d733ac952bfda092322793a (patch) | |
| tree | a51449e3f96f4e51de47700bc16b67cd2476d8ce /gcc/cgraph.h | |
| parent | d7dab049c733dce5c6bc35aae0194a0cef3aaa9f (diff) | |
| download | gcc-eb6a09a72512d4280d733ac952bfda092322793a.zip gcc-eb6a09a72512d4280d733ac952bfda092322793a.tar.gz gcc-eb6a09a72512d4280d733ac952bfda092322793a.tar.bz2 | |
varpool.c (dump_varpool_node): Dump used_by_single_function.
* varpool.c (dump_varpool_node): Dump used_by_single_function.
* tree-pass.h (make_pass_ipa_single_use): New pass.
* cgraph.h (used_by_single_function): New flag.
* lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Stream
it.
* passes.def (pass_ipa_single_use): Scedule.
* ipa.c (BOTTOM): New macro.
(meet): New function
(propagate_single_user): New function.
(ipa_single_use): New function.
(pass_data_ipa_single_use): New pass.
(pass_ipa_single_use): New pass.
(pass_ipa_single_use::gate): New gate.
(make_pass_ipa_single_use): New function.
From-SVN: r211925
Diffstat (limited to 'gcc/cgraph.h')
| -rw-r--r-- | gcc/cgraph.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/cgraph.h b/gcc/cgraph.h index 2fad193..ce6b9e6 100644 --- a/gcc/cgraph.h +++ b/gcc/cgraph.h @@ -719,6 +719,12 @@ public: unsigned dynamically_initialized : 1; ENUM_BITFIELD(tls_model) tls_model : 3; + + /* Set if the variable is known to be used by single function only. + This is computed by ipa_signle_use pass and used by late optimizations + in places where optimization would be valid for local static variable + if we did not do any inter-procedural code movement. */ + unsigned used_by_single_function : 1; }; /* Every top level asm statement is put into a asm_node. */ |