diff options
Diffstat (limited to 'gcc/ipa-prop.h')
| -rw-r--r-- | gcc/ipa-prop.h | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/gcc/ipa-prop.h b/gcc/ipa-prop.h index 4da22a1c05d..2fb00afcac2 100644 --- a/gcc/ipa-prop.h +++ b/gcc/ipa-prop.h @@ -609,6 +609,27 @@ extern alloc_pool ipcp_values_pool; extern alloc_pool ipcp_sources_pool; extern alloc_pool ipcp_agg_lattice_pool; +/* Operation to be performed for the parameter in ipa_parm_adjustment + below. */ +enum ipa_parm_op { + IPA_PARM_OP_NONE, + + /* This describes a brand new parameter. + + The field `type' should be set to the new type, `arg_prefix' + should be set to the string prefix for the new DECL_NAME, and + `new_decl' will ultimately hold the newly created argument. */ + IPA_PARM_OP_NEW, + + /* This new parameter is an unmodified parameter at index base_index. */ + IPA_PARM_OP_COPY, + + /* This adjustment describes a parameter that is about to be removed + completely. Most users will probably need to book keep those so that they + don't leave behinfd any non default def ssa names belonging to them. */ + IPA_PARM_OP_REMOVE +}; + /* Structure to describe transformations of formal parameters and actual arguments. Each instance describes one new parameter and they are meant to be stored in a vector. Additionally, most users will probably want to store @@ -632,10 +653,11 @@ struct ipa_parm_adjustment arguments. */ tree alias_ptr_type; - /* The new declaration when creating/replacing a parameter. Created by - ipa_modify_formal_parameters, useful for functions modifying the body - accordingly. */ - tree reduction; + /* The new declaration when creating/replacing a parameter. Created + by ipa_modify_formal_parameters, useful for functions modifying + the body accordingly. For brand new arguments, this is the newly + created argument. */ + tree new_decl; /* New declaration of a substitute variable that we may use to replace all non-default-def ssa names when a parm decl is going away. */ @@ -645,22 +667,19 @@ struct ipa_parm_adjustment is NULL), this is going to be its nonlocalized vars value. */ tree nonlocal_value; + /* This holds the prefix to be used for the new DECL_NAME. */ + const char *arg_prefix; + /* Offset into the original parameter (for the cases when the new parameter is a component of an original one). */ HOST_WIDE_INT offset; - /* Zero based index of the original parameter this one is based on. (ATM - there is no way to insert a new parameter out of the blue because there is - no need but if it arises the code can be easily exteded to do so.) */ + /* Zero based index of the original parameter this one is based on. */ int base_index; - /* This new parameter is an unmodified parameter at index base_index. */ - unsigned copy_param : 1; - - /* This adjustment describes a parameter that is about to be removed - completely. Most users will probably need to book keep those so that they - don't leave behinfd any non default def ssa names belonging to them. */ - unsigned remove_param : 1; + /* Whether this parameter is a new parameter, a copy of an old one, + or one about to be removed. */ + enum ipa_parm_op op; /* The parameter is to be passed by reference. */ unsigned by_ref : 1; @@ -671,8 +690,8 @@ typedef struct ipa_parm_adjustment ipa_parm_adjustment_t; typedef vec<ipa_parm_adjustment_t> ipa_parm_adjustment_vec; vec<tree> ipa_get_vector_of_formal_parms (tree fndecl); -void ipa_modify_formal_parameters (tree fndecl, ipa_parm_adjustment_vec, - const char *); +vec<tree> ipa_get_vector_of_formal_parm_types (tree fntype); +void ipa_modify_formal_parameters (tree fndecl, ipa_parm_adjustment_vec); void ipa_modify_call_arguments (struct cgraph_edge *, gimple, ipa_parm_adjustment_vec); ipa_parm_adjustment_vec ipa_combine_adjustments (ipa_parm_adjustment_vec, @@ -690,6 +709,10 @@ tree ipa_value_from_jfunc (struct ipa_node_params *info, struct ipa_jump_func *jfunc); unsigned int ipcp_transform_function (struct cgraph_node *node); void ipa_dump_param (FILE *, struct ipa_node_params *info, int i); +bool ipa_modify_expr (tree *, bool, ipa_parm_adjustment_vec); +ipa_parm_adjustment *ipa_get_adjustment_candidate (tree **, bool *, + ipa_parm_adjustment_vec, + bool); /* From tree-sra.c: */ |