/* Callgraph construction.
- Copyright (C) 2003-2013 Free Software Foundation, Inc.
+ Copyright (C) 2003-2014 Free Software Foundation, Inc.
Contributed by Jan Hubicka
This file is part of GCC.
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
-#include "tree-flow.h"
-#include "langhooks.h"
#include "pointer-set.h"
-#include "cgraph.h"
-#include "intl.h"
+#include "basic-block.h"
+#include "tree-ssa-alias.h"
+#include "internal-fn.h"
+#include "gimple-fold.h"
+#include "gimple-expr.h"
+#include "is-a.h"
#include "gimple.h"
+#include "gimple-iterator.h"
+#include "gimple-walk.h"
+#include "langhooks.h"
+#include "intl.h"
#include "tree-pass.h"
#include "ipa-utils.h"
#include "except.h"
struct record_reference_ctx
{
bool only_vars;
- struct varpool_node *varpool_node;
+ class varpool_node *varpool_node;
};
/* Walk tree and record all calls and references to functions/variables.
decl = get_base_var (*tp);
if (TREE_CODE (decl) == FUNCTION_DECL)
{
- struct cgraph_node *node = cgraph_get_create_real_symbol_node (decl);
+ struct cgraph_node *node = cgraph_get_create_node (decl);
if (!ctx->only_vars)
cgraph_mark_address_taken_node (node);
- ipa_record_reference ((symtab_node)ctx->varpool_node,
- (symtab_node)node,
+ ipa_record_reference (ctx->varpool_node,
+ node,
IPA_REF_ADDR, NULL);
}
if (TREE_CODE (decl) == VAR_DECL)
{
- struct varpool_node *vnode = varpool_node_for_decl (decl);
- ipa_record_reference ((symtab_node)ctx->varpool_node,
- (symtab_node)vnode,
+ varpool_node *vnode = varpool_node_for_decl (decl);
+ ipa_record_reference (ctx->varpool_node,
+ vnode,
IPA_REF_ADDR, NULL);
}
*walk_subtrees = 0;
type = TREE_OPERAND (type, 0);
if (TREE_CODE (type) == VAR_DECL)
{
- struct varpool_node *vnode = varpool_node_for_decl (type);
- ipa_record_reference ((symtab_node)node,
- (symtab_node)vnode,
+ varpool_node *vnode = varpool_node_for_decl (type);
+ ipa_record_reference (node,
+ vnode,
IPA_REF_ADDR, NULL);
}
}
{
eh_region i;
- if (DECL_FUNCTION_PERSONALITY (node->symbol.decl))
+ if (DECL_FUNCTION_PERSONALITY (node->decl))
{
- struct cgraph_node *per_node;
+ tree per_decl = DECL_FUNCTION_PERSONALITY (node->decl);
+ struct cgraph_node *per_node = cgraph_get_create_node (per_decl);
- per_node = cgraph_get_create_real_symbol_node (DECL_FUNCTION_PERSONALITY (node->symbol.decl));
- ipa_record_reference ((symtab_node)node, (symtab_node)per_node, IPA_REF_ADDR, NULL);
+ ipa_record_reference (node, per_node, IPA_REF_ADDR, NULL);
cgraph_mark_address_taken_node (per_node);
}
int
compute_call_stmt_bb_frequency (tree decl, basic_block bb)
{
- int entry_freq = ENTRY_BLOCK_PTR_FOR_FUNCTION
+ int entry_freq = ENTRY_BLOCK_PTR_FOR_FN
(DECL_STRUCT_FUNCTION (decl))->frequency;
int freq = bb->frequency;
- if (profile_status_for_function (DECL_STRUCT_FUNCTION (decl)) == PROFILE_ABSENT)
+ if (profile_status_for_fn (DECL_STRUCT_FUNCTION (decl)) == PROFILE_ABSENT)
return CGRAPH_FREQ_BASE;
if (!entry_freq)
/* Mark address taken in STMT. */
static bool
-mark_address (gimple stmt, tree addr, void *data)
+mark_address (gimple stmt, tree addr, tree, void *data)
{
addr = get_base_address (addr);
if (TREE_CODE (addr) == FUNCTION_DECL)
{
- struct cgraph_node *node = cgraph_get_create_real_symbol_node (addr);
+ struct cgraph_node *node = cgraph_get_create_node (addr);
cgraph_mark_address_taken_node (node);
- ipa_record_reference ((symtab_node)data,
- (symtab_node)node,
+ ipa_record_reference ((symtab_node *)data,
+ node,
IPA_REF_ADDR, stmt);
}
else if (addr && TREE_CODE (addr) == VAR_DECL
&& (TREE_STATIC (addr) || DECL_EXTERNAL (addr)))
{
- struct varpool_node *vnode = varpool_node_for_decl (addr);
+ varpool_node *vnode = varpool_node_for_decl (addr);
- ipa_record_reference ((symtab_node)data,
- (symtab_node)vnode,
+ ipa_record_reference ((symtab_node *)data,
+ vnode,
IPA_REF_ADDR, stmt);
}
/* Mark load of T. */
static bool
-mark_load (gimple stmt, tree t, void *data)
+mark_load (gimple stmt, tree t, tree, void *data)
{
t = get_base_address (t);
if (t && TREE_CODE (t) == FUNCTION_DECL)
{
/* ??? This can happen on platforms with descriptors when these are
directly manipulated in the code. Pretend that it's an address. */
- struct cgraph_node *node = cgraph_get_create_real_symbol_node (t);
+ struct cgraph_node *node = cgraph_get_create_node (t);
cgraph_mark_address_taken_node (node);
- ipa_record_reference ((symtab_node)data,
- (symtab_node)node,
+ ipa_record_reference ((symtab_node *)data,
+ node,
IPA_REF_ADDR, stmt);
}
else if (t && TREE_CODE (t) == VAR_DECL
&& (TREE_STATIC (t) || DECL_EXTERNAL (t)))
{
- struct varpool_node *vnode = varpool_node_for_decl (t);
+ varpool_node *vnode = varpool_node_for_decl (t);
- ipa_record_reference ((symtab_node)data,
- (symtab_node)vnode,
+ ipa_record_reference ((symtab_node *)data,
+ vnode,
IPA_REF_LOAD, stmt);
}
return false;
/* Mark store of T. */
static bool
-mark_store (gimple stmt, tree t, void *data)
+mark_store (gimple stmt, tree t, tree, void *data)
{
t = get_base_address (t);
if (t && TREE_CODE (t) == VAR_DECL
&& (TREE_STATIC (t) || DECL_EXTERNAL (t)))
{
- struct varpool_node *vnode = varpool_node_for_decl (t);
+ varpool_node *vnode = varpool_node_for_decl (t);
- ipa_record_reference ((symtab_node)data,
- (symtab_node)vnode,
+ ipa_record_reference ((symtab_node *)data,
+ vnode,
IPA_REF_STORE, stmt);
}
return false;
/* Create cgraph edges for function calls.
Also look for functions and variables having addresses taken. */
-static unsigned int
-build_cgraph_edges (void)
+namespace {
+
+const pass_data pass_data_build_cgraph_edges =
+{
+ GIMPLE_PASS, /* type */
+ "*build_cgraph_edges", /* name */
+ OPTGROUP_NONE, /* optinfo_flags */
+ true, /* has_execute */
+ TV_NONE, /* tv_id */
+ PROP_cfg, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ 0, /* todo_flags_finish */
+};
+
+class pass_build_cgraph_edges : public gimple_opt_pass
+{
+public:
+ pass_build_cgraph_edges (gcc::context *ctxt)
+ : gimple_opt_pass (pass_data_build_cgraph_edges, ctxt)
+ {}
+
+ /* opt_pass methods: */
+ virtual unsigned int execute (function *);
+
+}; // class pass_build_cgraph_edges
+
+unsigned int
+pass_build_cgraph_edges::execute (function *fun)
{
basic_block bb;
struct cgraph_node *node = cgraph_get_node (current_function_decl);
/* Create the callgraph edges and record the nodes referenced by the function.
body. */
- FOR_EACH_BB (bb)
+ FOR_EACH_BB_FN (bb, fun)
{
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
{
gimple stmt = gsi_stmt (gsi);
tree decl;
+ if (is_gimple_debug (stmt))
+ continue;
+
if (is_gimple_call (stmt))
{
int freq = compute_call_stmt_bb_frequency (current_function_decl,
if (decl)
cgraph_create_edge (node, cgraph_get_create_node (decl),
stmt, bb->count, freq);
+ else if (gimple_call_internal_p (stmt))
+ ;
else
cgraph_create_indirect_edge (node, stmt,
gimple_call_flags (stmt),
&& gimple_omp_parallel_child_fn (stmt))
{
tree fn = gimple_omp_parallel_child_fn (stmt);
- ipa_record_reference ((symtab_node)node,
- (symtab_node)cgraph_get_create_real_symbol_node (fn),
+ ipa_record_reference (node,
+ cgraph_get_create_node (fn),
IPA_REF_ADDR, stmt);
}
if (gimple_code (stmt) == GIMPLE_OMP_TASK)
{
tree fn = gimple_omp_task_child_fn (stmt);
if (fn)
- ipa_record_reference ((symtab_node)node,
- (symtab_node) cgraph_get_create_real_symbol_node (fn),
+ ipa_record_reference (node,
+ cgraph_get_create_node (fn),
IPA_REF_ADDR, stmt);
fn = gimple_omp_task_copy_fn (stmt);
if (fn)
- ipa_record_reference ((symtab_node)node,
- (symtab_node)cgraph_get_create_real_symbol_node (fn),
+ ipa_record_reference (node,
+ cgraph_get_create_node (fn),
IPA_REF_ADDR, stmt);
}
}
}
/* Look for initializers of constant variables and private statics. */
- FOR_EACH_LOCAL_DECL (cfun, ix, decl)
+ FOR_EACH_LOCAL_DECL (fun, ix, decl)
if (TREE_CODE (decl) == VAR_DECL
&& (TREE_STATIC (decl) && !DECL_EXTERNAL (decl))
&& !DECL_HAS_VALUE_EXPR_P (decl))
varpool_finalize_decl (decl);
- record_eh_tables (node, cfun);
+ record_eh_tables (node, fun);
pointer_set_destroy (visited_nodes);
return 0;
}
-struct gimple_opt_pass pass_build_cgraph_edges =
+} // anon namespace
+
+gimple_opt_pass *
+make_pass_build_cgraph_edges (gcc::context *ctxt)
{
- {
- GIMPLE_PASS,
- "*build_cgraph_edges", /* name */
- OPTGROUP_NONE, /* optinfo_flags */
- NULL, /* gate */
- build_cgraph_edges, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_NONE, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- 0 /* todo_flags_finish */
- }
-};
+ return new pass_build_cgraph_edges (ctxt);
+}
/* Record references to functions and other variables present in the
initial value of DECL, a variable.
record_references_in_initializer (tree decl, bool only_vars)
{
struct pointer_set_t *visited_nodes = pointer_set_create ();
- struct varpool_node *node = varpool_node_for_decl (decl);
+ varpool_node *node = varpool_node_for_decl (decl);
struct record_reference_ctx ctx = {false, NULL};
ctx.varpool_node = node;
gimple_stmt_iterator gsi;
cgraph_node_remove_callees (node);
- ipa_remove_all_references (&node->symbol.ref_list);
+ ipa_remove_all_references (&node->ref_list);
- node->count = ENTRY_BLOCK_PTR->count;
+ node->count = ENTRY_BLOCK_PTR_FOR_FN (cfun)->count;
- FOR_EACH_BB (bb)
+ FOR_EACH_BB_FN (bb, cfun)
{
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
{
if (decl)
cgraph_create_edge (node, cgraph_get_create_node (decl), stmt,
bb->count, freq);
+ else if (gimple_call_internal_p (stmt))
+ ;
else
cgraph_create_indirect_edge (node, stmt,
gimple_call_flags (stmt),
basic_block bb;
struct cgraph_node *node = cgraph_get_node (current_function_decl);
gimple_stmt_iterator gsi;
+ struct ipa_ref *ref;
+ int i;
- ipa_remove_all_references (&node->symbol.ref_list);
+ /* Keep speculative references for further cgraph edge expansion. */
+ for (i = 0; ipa_ref_list_reference_iterate (&node->ref_list, i, ref);)
+ if (!ref->speculative)
+ ipa_remove_reference (ref);
+ else
+ i++;
- node->count = ENTRY_BLOCK_PTR->count;
+ node->count = ENTRY_BLOCK_PTR_FOR_FN (cfun)->count;
- FOR_EACH_BB (bb)
+ FOR_EACH_BB_FN (bb, cfun)
{
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
ipa_record_stmt_references (node, gsi_stmt (gsi));
record_eh_tables (node, cfun);
}
-struct gimple_opt_pass pass_rebuild_cgraph_edges =
+namespace {
+
+const pass_data pass_data_rebuild_cgraph_edges =
{
- {
- GIMPLE_PASS,
- "*rebuild_cgraph_edges", /* name */
- OPTGROUP_NONE, /* optinfo_flags */
- NULL, /* gate */
- rebuild_cgraph_edges, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_CGRAPH, /* tv_id */
- PROP_cfg, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- 0, /* todo_flags_finish */
- }
+ GIMPLE_PASS, /* type */
+ "*rebuild_cgraph_edges", /* name */
+ OPTGROUP_NONE, /* optinfo_flags */
+ true, /* has_execute */
+ TV_CGRAPH, /* tv_id */
+ PROP_cfg, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ 0, /* todo_flags_finish */
};
+class pass_rebuild_cgraph_edges : public gimple_opt_pass
+{
+public:
+ pass_rebuild_cgraph_edges (gcc::context *ctxt)
+ : gimple_opt_pass (pass_data_rebuild_cgraph_edges, ctxt)
+ {}
+
+ /* opt_pass methods: */
+ opt_pass * clone () { return new pass_rebuild_cgraph_edges (m_ctxt); }
+ virtual unsigned int execute (function *) { return rebuild_cgraph_edges (); }
-static unsigned int
-remove_cgraph_callee_edges (void)
+}; // class pass_rebuild_cgraph_edges
+
+} // anon namespace
+
+gimple_opt_pass *
+make_pass_rebuild_cgraph_edges (gcc::context *ctxt)
{
- cgraph_node_remove_callees (cgraph_get_node (current_function_decl));
- return 0;
+ return new pass_rebuild_cgraph_edges (ctxt);
}
-struct gimple_opt_pass pass_remove_cgraph_callee_edges =
+
+namespace {
+
+const pass_data pass_data_remove_cgraph_callee_edges =
{
- {
- GIMPLE_PASS,
- "*remove_cgraph_callee_edges", /* name */
- OPTGROUP_NONE, /* optinfo_flags */
- NULL, /* gate */
- remove_cgraph_callee_edges, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_NONE, /* tv_id */
- 0, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- 0, /* todo_flags_finish */
- }
+ GIMPLE_PASS, /* type */
+ "*remove_cgraph_callee_edges", /* name */
+ OPTGROUP_NONE, /* optinfo_flags */
+ true, /* has_execute */
+ TV_NONE, /* tv_id */
+ 0, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ 0, /* todo_flags_finish */
};
+
+class pass_remove_cgraph_callee_edges : public gimple_opt_pass
+{
+public:
+ pass_remove_cgraph_callee_edges (gcc::context *ctxt)
+ : gimple_opt_pass (pass_data_remove_cgraph_callee_edges, ctxt)
+ {}
+
+ /* opt_pass methods: */
+ opt_pass * clone () {
+ return new pass_remove_cgraph_callee_edges (m_ctxt);
+ }
+ virtual unsigned int execute (function *);
+
+}; // class pass_remove_cgraph_callee_edges
+
+unsigned int
+pass_remove_cgraph_callee_edges::execute (function *)
+{
+ struct cgraph_node *node = cgraph_get_node (current_function_decl);
+ cgraph_node_remove_callees (node);
+ ipa_remove_all_references (&node->ref_list);
+ return 0;
+}
+
+} // anon namespace
+
+gimple_opt_pass *
+make_pass_remove_cgraph_callee_edges (gcc::context *ctxt)
+{
+ return new pass_remove_cgraph_callee_edges (ctxt);
+}
projects / platform / upstream / gcc.git / blobdiff