diff options
author | Andrew MacLeod <amacleod@redhat.com> | 2013-10-09 13:42:17 +0000 |
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committer | Andrew Macleod <amacleod@gcc.gnu.org> | 2013-10-09 13:42:17 +0000 |
commit | cc524fc7b800bff51dc86d05d8ce80d9c5524ef3 (patch) | |
tree | 40318ce4bf8ae61fbdc6507579e982b6008fb23f /gcc/gimple-ssa.h | |
parent | 713438778be52a0cb0533fad271c05481435b519 (diff) |
tree-flow.h (tm_restart_node, gimple_df): Move to gimple-ssa.h.
* tree-flow.h (tm_restart_node, gimple_df): Move to gimple-ssa.h.
(struct int_tree_map): Move to tree-hasher.h
(SCALE, LABEL, PERCENT): Move to gimple.h
* tree-flow-inline.h: Delete. Move functions to other files.
(unmodifiable_var_p, ref_contains_array_ref): Unused, so delete.
* gimple-ssa.h (tm_restart_node, gimple_df): Relocate from tree-flow.h.
(gimple_in_ssa_p, gimple_vop): Relocate from tree-flow-inline.h
* gimple.h (imple_stmt_max_uid, set_gimple_stmt_max_uid,
inc_gimple_stmt_max_uid, get_lineno): Relocate from tree-flow-inline.h.
(SCALE, LABEL, PERCENT): Relocate from tree-flow.h
* tree-hasher.h: Don't include tree-flow.h.
(struct int_tree_map): Relocate from tree-flow.h.
* tree-sra.c (contains_view_convert_expr_p): Relocate from
tree-flow-inline.h and make static.
* tree-ssa-alias.h (ranges_overlap_p): Relocate from tree-flow-inline.h.
* tree-ssa-operands.c (gimple_ssa_operands): Relocate from
tree-flow-inline.h and make static.
* tree.h (is_global_var, may_be_aliased): Relocate from
tree-flow-inline.h.
* Makefile.in (GTFILES): Remove tree-flow.h and add gimple-ssa.h.
* value-prof.c: No longer include tree-flow-inline.h.
* tree-switch-conversion.c: No longer include tree-flow-inline.h.
From-SVN: r203318
Diffstat (limited to 'gcc/gimple-ssa.h')
-rw-r--r-- | gcc/gimple-ssa.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/gcc/gimple-ssa.h b/gcc/gimple-ssa.h index 0687847ff12..f764efc64b2 100644 --- a/gcc/gimple-ssa.h +++ b/gcc/gimple-ssa.h @@ -21,6 +21,88 @@ along with GCC; see the file COPYING3. If not see #ifndef GCC_GIMPLE_SSA_H #define GCC_GIMPLE_SSA_H +/* This structure is used to map a gimple statement to a label, + or list of labels to represent transaction restart. */ + +struct GTY(()) tm_restart_node { + gimple stmt; + tree label_or_list; +}; + +/* Gimple dataflow datastructure. All publicly available fields shall have + gimple_ accessor defined, all publicly modifiable fields should have + gimple_set accessor. */ +struct GTY(()) gimple_df { + /* A vector of all the noreturn calls passed to modify_stmt. + cleanup_control_flow uses it to detect cases where a mid-block + indirect call has been turned into a noreturn call. When this + happens, all the instructions after the call are no longer + reachable and must be deleted as dead. */ + vec<gimple, va_gc> *modified_noreturn_calls; + + /* Array of all SSA_NAMEs used in the function. */ + vec<tree, va_gc> *ssa_names; + + /* Artificial variable used for the virtual operand FUD chain. */ + tree vop; + + /* The PTA solution for the ESCAPED artificial variable. */ + struct pt_solution escaped; + + /* A map of decls to artificial ssa-names that point to the partition + of the decl. */ + struct pointer_map_t * GTY((skip(""))) decls_to_pointers; + + /* Free list of SSA_NAMEs. */ + vec<tree, va_gc> *free_ssanames; + + /* Hashtable holding definition for symbol. If this field is not NULL, it + means that the first reference to this variable in the function is a + USE or a VUSE. In those cases, the SSA renamer creates an SSA name + for this variable with an empty defining statement. */ + htab_t GTY((param_is (union tree_node))) default_defs; + + /* True if there are any symbols that need to be renamed. */ + unsigned int ssa_renaming_needed : 1; + + /* True if all virtual operands need to be renamed. */ + unsigned int rename_vops : 1; + + /* True if the code is in ssa form. */ + unsigned int in_ssa_p : 1; + + /* True if IPA points-to information was computed for this function. */ + unsigned int ipa_pta : 1; + + struct ssa_operands ssa_operands; + + /* Map gimple stmt to tree label (or list of labels) for transaction + restart and abort. */ + htab_t GTY ((param_is (struct tm_restart_node))) tm_restart; +}; + + +/* Return true when gimple SSA form was built. + gimple_in_ssa_p is queried by gimplifier in various early stages before SSA + infrastructure is initialized. Check for presence of the datastructures + at first place. */ +static inline bool +gimple_in_ssa_p (const struct function *fun) +{ + return fun && fun->gimple_df && fun->gimple_df->in_ssa_p; +} + +/* Inline functions for manipulating various data structures defined in + tree-flow.h. See tree-flow.h for documentation. */ + +/* Artificial variable used for the virtual operand FUD chain. */ +static inline tree +gimple_vop (const struct function *fun) +{ + gcc_checking_assert (fun && fun->gimple_df); + return fun->gimple_df->vop; +} + /* Return the set of VUSE operand for statement G. */ static inline use_operand_p |