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Diffstat (limited to 'lib/gcc/arm-eabi/4.6.x-google/plugin/include/ipa-ref.h')
-rw-r--r-- | lib/gcc/arm-eabi/4.6.x-google/plugin/include/ipa-ref.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/lib/gcc/arm-eabi/4.6.x-google/plugin/include/ipa-ref.h b/lib/gcc/arm-eabi/4.6.x-google/plugin/include/ipa-ref.h new file mode 100644 index 0000000..2be7353 --- /dev/null +++ b/lib/gcc/arm-eabi/4.6.x-google/plugin/include/ipa-ref.h @@ -0,0 +1,92 @@ +/* IPA reference lists. + Copyright (C) 2010 + Free Software Foundation, Inc. + Contributed by Jan Hubicka + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +struct cgraph_node; +struct varpool_node; + +/* How the reference is done. */ +enum GTY(()) ipa_ref_use +{ + IPA_REF_LOAD, + IPA_REF_STORE, + IPA_REF_ADDR +}; + +/* Type of refering or refered type. */ +enum GTY(()) ipa_ref_type +{ + IPA_REF_CGRAPH, + IPA_REF_VARPOOL +}; + +/* We can have references spanning both callgraph and varpool, + so all pointers needs to be of both types. */ +union GTY(()) ipa_ref_ptr_u +{ + struct cgraph_node * GTY((tag ("IPA_REF_CGRAPH"))) cgraph_node; + struct varpool_node * GTY((tag ("IPA_REF_VARPOOL"))) varpool_node; +}; + +/* Record of reference in callgraph or varpool. */ +struct GTY(()) ipa_ref +{ + union ipa_ref_ptr_u GTY ((desc ("%1.refering_type"))) refering; + union ipa_ref_ptr_u GTY ((desc ("%1.refered_type"))) refered; + gimple stmt; + unsigned int refered_index; + ENUM_BITFIELD (ipa_ref_type) refering_type:1; + ENUM_BITFIELD (ipa_ref_type) refered_type:1; + ENUM_BITFIELD (ipa_ref_use) use:2; +}; + +typedef struct ipa_ref ipa_ref_t; +typedef struct ipa_ref *ipa_ref_ptr; + +DEF_VEC_O(ipa_ref_t); +DEF_VEC_ALLOC_O(ipa_ref_t,gc); +DEF_VEC_P(ipa_ref_ptr); +DEF_VEC_ALLOC_P(ipa_ref_ptr,heap); + +/* List of references. This is stored in both callgraph and varpool nodes. */ +struct GTY(()) ipa_ref_list +{ + /* Store actual references in references vector. */ + VEC(ipa_ref_t,gc) *references; + /* Refering is vector of pointers to references. It must not live in GGC space + or GGC will try to mark middle of references vectors. */ + VEC(ipa_ref_ptr,heap) * GTY((skip)) refering; +}; + +struct ipa_ref * ipa_record_reference (struct cgraph_node *, + struct varpool_node *, + struct cgraph_node *, + struct varpool_node *, + enum ipa_ref_use, gimple); + +void ipa_remove_reference (struct ipa_ref *); +void ipa_remove_all_references (struct ipa_ref_list *); +void ipa_remove_all_refering (struct ipa_ref_list *); +void ipa_dump_references (FILE *, struct ipa_ref_list *); +void ipa_dump_refering (FILE *, struct ipa_ref_list *); +void ipa_clone_references (struct cgraph_node *, struct varpool_node *, struct ipa_ref_list *); +void ipa_clone_refering (struct cgraph_node *, struct varpool_node *, struct ipa_ref_list *); +bool ipa_ref_cannot_lead_to_return (struct ipa_ref *); + |