/* The following definitions and interfaces are used by
interprocedural analyses. */
-/* A jump function for a callsite represents the values passed as actual
+/* A jump function for a callsite represents the values passed as actual
arguments of the callsite. There are three main types of values :
Formal - the caller's formal parameter is passed as an actual argument.
Constant - a constant is passed as an actual argument.
Unknown - neither of the above.
- Integer and real constants are represented as IPA_CONST and Fortran
- constants are represented as IPA_CONST_REF. Finally, IPA_CONST_MEMBER_PTR
- stands for C++ member pointers constants. */
+ Integer and real constants are represented as IPA_CONST.
+ Finally, IPA_CONST_MEMBER_PTR stands for C++ member pointers constants. */
enum jump_func_type
{
IPA_UNKNOWN = 0, /* newly allocated and zeroed jump functions default */
IPA_CONST,
- IPA_CONST_REF,
IPA_CONST_MEMBER_PTR,
IPA_PASS_THROUGH
};
IPA_CONST_VALUE - simple scalar constant,
Cval of formal f will have a constant value if all callsites to this
function have the same constant value passed to f.
- Integer and real constants are represented as IPA_CONST and Fortran
- constants are represented as IPA_CONST_REF. */
+ Integer and real constants are represented as IPA_CONST. */
enum ipa_lattice_type
{
IPA_BOTTOM,
IPA_CONST_VALUE,
- IPA_CONST_VALUE_REF,
IPA_TOP
};
struct ipa_member_ptr_cst member_cst;
};
-/* A jump function for a callsite represents the values passed as actual
- arguments of the callsite. See enum jump_func_type for the various
+/* A jump function for a callsite represents the values passed as actual
+ arguments of the callsite. See enum jump_func_type for the various
types of jump functions supported. */
struct ipa_jump_func
{
union jump_func_value value;
};
-/* All formal parameters in the program have a cval computed by
+/* All formal parameters in the program have a cval computed by
the interprocedural stage of IPCP. See enum ipa_lattice_type for
the various types of lattices supported */
struct ipcp_lattice
{
/* The tree that will be replaced. */
tree old_tree;
- /* The new (replacing) tree. */
+ /* The new (replacing) tree. */
tree new_tree;
/* True when a substitution should be done, false otherwise. */
bool replace_p;
bool ref_p;
};
-/* ipa_param_flags contains various flags that describe how the associated
- parameter is treated within a function. */
-struct ipa_param_flags
-{
- /* Whether the value parameter has been modified within the function. */
- unsigned modified : 1;
- /* Whether the parameter has been used as a call destination. */
- unsigned called : 1;
-};
-
/* Each instance of the following structure describes a statement that calls a
function parameter. Those referring to statements within the same function
are linked in a list. */
bool processed;
};
+/* Structure describing a single formal parameter. */
+struct ipa_param_descriptor
+{
+ /* IPA-CP lattice. */
+ struct ipcp_lattice ipcp_lattice;
+ /* PARAM_DECL of this parameter. */
+ tree decl;
+ /* Whether the value parameter has been modified within the function. */
+ unsigned modified : 1;
+ /* Whether the parameter has been used as a call destination. */
+ unsigned called : 1;
+};
+
/* ipa_node_params stores information related to formal parameters of functions
and some other information for interprocedural passes that operate on
parameters (such as ipa-cp). */
this function's parameters would not be analyzed by the different
stages of IPA CP. */
int param_count;
- /* Array of lattices. */
- struct ipcp_lattice *ipcp_lattices;
- /* Mapping each parameter to its PARM_DECL tree. */
- tree *param_decls;
- /* Various flags describing individual parameters. */
- struct ipa_param_flags *param_flags;
+ /* Pointer to an array of structures describing individual formal
+ parameters. */
+ struct ipa_param_descriptor *params;
/* List of structures enumerating calls to a formal parameter. */
struct ipa_param_call_note *param_calls;
/* Only for versioned nodes this field would not be NULL,
it points to the node that IPA cp cloned from. */
struct cgraph_node *ipcp_orig_node;
/* Meaningful only for original functions. Expresses the
- ratio between the direct calls and sum of all invocations of
- this function (given by profiling info). It is used to calculate
+ ratio between the direct calls and sum of all invocations of
+ this function (given by profiling info). It is used to calculate
the profiling information of the original function and the versioned
one. */
gcov_type count_scale;
are or will be shared among various passes. */
/* Set the number of formal parameters. */
+
static inline void
ipa_set_param_count (struct ipa_node_params *info, int count)
{
}
/* Return the number of formal parameters. */
+
static inline int
ipa_get_param_count (struct ipa_node_params *info)
{
return info->param_count;
}
-/* Returns the declaration of ith param of the corresponding node. Note there
- is no setter function as this array is built just once using
- ipa_create_param_decls_array. */
+/* Return the declaration of Ith formal parameter of the function corresponding
+ to INFO. Note there is no setter function as this array is built just once
+ using ipa_initialize_node_params. */
+
static inline tree
-ipa_get_ith_param (struct ipa_node_params *info, int i)
+ipa_get_param (struct ipa_node_params *info, int i)
{
- return info->param_decls[i];
+ return info->params[i].decl;
}
-/* Returns the modification flag corresponding to the ith parameter. Note
- there is no setter method as the goal is to set all flags when building the
- array in ipa_detect_param_modifications. */
+/* Return the modification flag corresponding to the Ith formal parameter of
+ the function associated with INFO. Note that there is no setter method as
+ the goal is to set all flags when building the array in
+ ipa_detect_param_modifications. */
+
static inline bool
-ipa_is_ith_param_modified (struct ipa_node_params *info, int i)
+ipa_is_param_modified (struct ipa_node_params *info, int i)
{
- return info->param_flags[i].modified;
+ return info->params[i].modified;
}
-/* Returns the called flag corresponding o the ith paramterer. Note there is
- no setter method as the goal is to set all flags when building the array in
+/* Return the called flag corresponding to the Ith formal parameter of the
+ function associated with INFO. Note that there is no setter method as the
+ goal is to set all flags when building the array in
ipa_detect_called_params. */
+
static inline bool
-ipa_is_ith_param_called (struct ipa_node_params *info, int i)
+ipa_is_param_called (struct ipa_node_params *info, int i)
{
- return info->param_flags[i].called;
+ return info->params[i].called;
}
/* Flag this node as having callers with variable number of arguments. */
+
static inline void
ipa_set_called_with_variable_arg (struct ipa_node_params *info)
{
}
/* Have we detected this node was called with variable number of arguments? */
+
static inline bool
ipa_is_called_with_var_arguments (struct ipa_node_params *info)
{
are or will be shared among various passes. */
/* Set the number of actual arguments. */
+
static inline void
ipa_set_cs_argument_count (struct ipa_edge_args *args, int count)
{
}
/* Return the number of actual arguments. */
+
static inline int
ipa_get_cs_argument_count (struct ipa_edge_args *args)
{
/* Returns a pointer to the jump function for the ith argument. Please note
there is no setter function as jump functions are all set up in
ipa_compute_jump_functions. */
+
static inline struct ipa_jump_func *
ipa_get_ith_jump_func (struct ipa_edge_args *args, int i)
{
typedef struct ipa_node_params ipa_node_params_t;
typedef struct ipa_edge_args ipa_edge_args_t;
-/* Types of vectors hodling the infos. */
+/* Types of vectors holding the infos. */
DEF_VEC_O (ipa_node_params_t);
DEF_VEC_ALLOC_O (ipa_node_params_t, heap);
DEF_VEC_O (ipa_edge_args_t);
void ipa_register_cgraph_hooks (void);
/* This function ensures the array of node param infos is big enough to
- accomdate a structure for all nodes and realloacates it if not. */
+ accommodate a structure for all nodes and reallocates it if not. */
+
static inline void
ipa_check_create_node_params (void)
{
ipa_node_params_vector, cgraph_max_uid + 1);
}
-/* This function ensures the array of adge arguments infos is big enough to
- accomdate a structure for all edges and realloacates it if not. */
+/* This function ensures the array of edge arguments infos is big enough to
+ accommodate a structure for all edges and reallocates it if not. */
+
static inline void
ipa_check_create_edge_args (void)
{
cgraph_edge_max_uid + 1);
}
-/* Returns true if the array of edge infos is large enough to accomodate an
+/* Returns true if the array of edge infos is large enough to accommodate an
info for EDGE. The main purpose of this function is that debug dumping
function can check info availability without causing reallocations. */
+
static inline bool
ipa_edge_args_info_available_for_edge_p (struct cgraph_edge *edge)
{
void ipa_compute_jump_functions (struct cgraph_edge *);
void ipa_count_arguments (struct cgraph_edge *);
-/* Function parameters related computations. */
-void ipa_count_formal_params (struct cgraph_node *);
-void ipa_create_param_decls_array (struct cgraph_node *);
+/* Function formal parameters related computations. */
+void ipa_initialize_node_params (struct cgraph_node *node);
void ipa_detect_param_modifications (struct cgraph_node *);
void ipa_analyze_params_uses (struct cgraph_node *);
-void ipa_propagate_indirect_call_infos (struct cgraph_edge *cs,
- VEC (cgraph_edge_p, heap) *new_edges);
+bool ipa_propagate_indirect_call_infos (struct cgraph_edge *cs,
+ VEC (cgraph_edge_p, heap) **new_edges);
/* Debugging interface. */
-void ipa_print_all_tree_maps (FILE *);
-void ipa_print_node_param_flags (FILE * f, struct cgraph_node *node);
-void ipa_print_all_param_flags (FILE *);
+void ipa_print_node_params (FILE *, struct cgraph_node *node);
+void ipa_print_all_params (FILE *);
void ipa_print_node_jump_functions (FILE *f, struct cgraph_node *node);
void ipa_print_all_jump_functions (FILE * f);
OSDN Git Service
