From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/ipa-ref.h | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 gcc/ipa-ref.h (limited to 'gcc/ipa-ref.h') diff --git a/gcc/ipa-ref.h b/gcc/ipa-ref.h new file mode 100644 index 000000000..2be73536f --- /dev/null +++ b/gcc/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 +. */ + +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 *); + -- cgit v1.2.3