/* Calculate branch probabilities, and basic block execution counts.
Copyright (C) 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010
Free Software Foundation, Inc.
Contributed by James E. Wilson, UC Berkeley/Cygnus Support;
based on some ideas from Dain Samples of UC Berkeley.
#include "system.h"
#include "coretypes.h"
#include "tm.h"
-#include "rtl.h"
#include "flags.h"
-#include "output.h"
#include "regs.h"
-#include "expr.h"
#include "function.h"
-#include "toplev.h"
+#include "basic-block.h"
+#include "diagnostic-core.h"
#include "coverage.h"
#include "tree.h"
#include "tree-flow.h"
#include "tree-pass.h"
#include "timevar.h"
#include "value-prof.h"
-#include "ggc.h"
#include "cgraph.h"
static GTY(()) tree gcov_type_node;
static void* __gcov_indirect_call_callee; // actual callee address
*/
static void
-tree_init_ic_make_global_vars (void)
+init_ic_make_global_vars (void)
{
tree gcov_type_ptr;
ptr_void = build_pointer_type (void_type_node);
-
- ic_void_ptr_var
- = build_decl (VAR_DECL,
- get_identifier ("__gcov_indirect_call_callee"),
+
+ ic_void_ptr_var
+ = build_decl (UNKNOWN_LOCATION, VAR_DECL,
+ get_identifier ("__gcov_indirect_call_callee"),
ptr_void);
TREE_STATIC (ic_void_ptr_var) = 1;
TREE_PUBLIC (ic_void_ptr_var) = 0;
DECL_ARTIFICIAL (ic_void_ptr_var) = 1;
DECL_INITIAL (ic_void_ptr_var) = NULL;
- assemble_variable (ic_void_ptr_var, 0, 0, 0);
+ varpool_finalize_decl (ic_void_ptr_var);
+ varpool_mark_needed_node (varpool_node (ic_void_ptr_var));
gcov_type_ptr = build_pointer_type (get_gcov_type ());
- ic_gcov_type_ptr_var
- = build_decl (VAR_DECL,
- get_identifier ("__gcov_indirect_call_counters"),
+ ic_gcov_type_ptr_var
+ = build_decl (UNKNOWN_LOCATION, VAR_DECL,
+ get_identifier ("__gcov_indirect_call_counters"),
gcov_type_ptr);
TREE_STATIC (ic_gcov_type_ptr_var) = 1;
TREE_PUBLIC (ic_gcov_type_ptr_var) = 0;
DECL_ARTIFICIAL (ic_gcov_type_ptr_var) = 1;
DECL_INITIAL (ic_gcov_type_ptr_var) = NULL;
- assemble_variable (ic_gcov_type_ptr_var, 0, 0, 0);
+ varpool_finalize_decl (ic_gcov_type_ptr_var);
+ varpool_mark_needed_node (varpool_node (ic_gcov_type_ptr_var));
}
-static void
-tree_init_edge_profiler (void)
+void
+gimple_init_edge_profiler (void)
{
tree interval_profiler_fn_type;
tree pow2_profiler_fn_type;
tree_interval_profiler_fn
= build_fn_decl ("__gcov_interval_profiler",
interval_profiler_fn_type);
+ TREE_NOTHROW (tree_interval_profiler_fn) = 1;
+ DECL_ATTRIBUTES (tree_interval_profiler_fn)
+ = tree_cons (get_identifier ("leaf"), NULL,
+ DECL_ATTRIBUTES (tree_interval_profiler_fn));
/* void (*) (gcov_type *, gcov_type) */
pow2_profiler_fn_type
NULL_TREE);
tree_pow2_profiler_fn = build_fn_decl ("__gcov_pow2_profiler",
pow2_profiler_fn_type);
+ TREE_NOTHROW (tree_pow2_profiler_fn) = 1;
+ DECL_ATTRIBUTES (tree_pow2_profiler_fn)
+ = tree_cons (get_identifier ("leaf"), NULL,
+ DECL_ATTRIBUTES (tree_pow2_profiler_fn));
/* void (*) (gcov_type *, gcov_type) */
one_value_profiler_fn_type
tree_one_value_profiler_fn
= build_fn_decl ("__gcov_one_value_profiler",
one_value_profiler_fn_type);
+ TREE_NOTHROW (tree_one_value_profiler_fn) = 1;
+ DECL_ATTRIBUTES (tree_one_value_profiler_fn)
+ = tree_cons (get_identifier ("leaf"), NULL,
+ DECL_ATTRIBUTES (tree_one_value_profiler_fn));
+
+ init_ic_make_global_vars ();
- tree_init_ic_make_global_vars ();
-
/* void (*) (gcov_type *, gcov_type, void *, void *) */
ic_profiler_fn_type
= build_function_type_list (void_type_node,
tree_indirect_call_profiler_fn
= build_fn_decl ("__gcov_indirect_call_profiler",
ic_profiler_fn_type);
+ TREE_NOTHROW (tree_indirect_call_profiler_fn) = 1;
+ DECL_ATTRIBUTES (tree_indirect_call_profiler_fn)
+ = tree_cons (get_identifier ("leaf"), NULL,
+ DECL_ATTRIBUTES (tree_indirect_call_profiler_fn));
+
/* void (*) (gcov_type *, gcov_type) */
average_profiler_fn_type
= build_function_type_list (void_type_node,
tree_average_profiler_fn
= build_fn_decl ("__gcov_average_profiler",
average_profiler_fn_type);
+ TREE_NOTHROW (tree_average_profiler_fn) = 1;
+ DECL_ATTRIBUTES (tree_average_profiler_fn)
+ = tree_cons (get_identifier ("leaf"), NULL,
+ DECL_ATTRIBUTES (tree_average_profiler_fn));
tree_ior_profiler_fn
= build_fn_decl ("__gcov_ior_profiler",
average_profiler_fn_type);
+ TREE_NOTHROW (tree_ior_profiler_fn) = 1;
+ DECL_ATTRIBUTES (tree_ior_profiler_fn)
+ = tree_cons (get_identifier ("leaf"), NULL,
+ DECL_ATTRIBUTES (tree_ior_profiler_fn));
+
+ /* LTO streamer needs assembler names. Because we create these decls
+ late, we need to initialize them by hand. */
+ DECL_ASSEMBLER_NAME (tree_interval_profiler_fn);
+ DECL_ASSEMBLER_NAME (tree_pow2_profiler_fn);
+ DECL_ASSEMBLER_NAME (tree_one_value_profiler_fn);
+ DECL_ASSEMBLER_NAME (tree_indirect_call_profiler_fn);
+ DECL_ASSEMBLER_NAME (tree_average_profiler_fn);
+ DECL_ASSEMBLER_NAME (tree_ior_profiler_fn);
}
}
-/* New call was added, make goto call edges if neccesary. */
-
-static void
-add_abnormal_goto_call_edges (gimple_stmt_iterator gsi)
-{
- gimple stmt = gsi_stmt (gsi);
-
- if (!stmt_can_make_abnormal_goto (stmt))
- return;
- if (!gsi_end_p (gsi))
- split_block (gimple_bb (stmt), stmt);
- make_abnormal_goto_edges (gimple_bb (stmt), true);
-}
-
-/* Output instructions as GIMPLE trees to increment the edge
- execution count, and insert them on E. We rely on
+/* Output instructions as GIMPLE trees to increment the edge
+ execution count, and insert them on E. We rely on
gsi_insert_on_edge to preserve the order. */
-static void
-tree_gen_edge_profiler (int edgeno, edge e)
+void
+gimple_gen_edge_profiler (int edgeno, edge e)
{
tree ref, one;
gimple stmt1, stmt2, stmt3;
/* We share one temporary variable declaration per function. This
gets re-set in tree_profiling. */
if (gcov_type_tmp_var == NULL_TREE)
- gcov_type_tmp_var = create_tmp_var (gcov_type_node, "PROF_edge_counter");
+ gcov_type_tmp_var = create_tmp_reg (gcov_type_node, "PROF_edge_counter");
ref = tree_coverage_counter_ref (GCOV_COUNTER_ARCS, edgeno);
one = build_int_cst (gcov_type_node, 1);
stmt1 = gimple_build_assign (gcov_type_tmp_var, ref);
+ gimple_assign_set_lhs (stmt1, make_ssa_name (gcov_type_tmp_var, stmt1));
stmt2 = gimple_build_assign_with_ops (PLUS_EXPR, gcov_type_tmp_var,
- gcov_type_tmp_var, one);
- stmt3 = gimple_build_assign (unshare_expr (ref), gcov_type_tmp_var);
+ gimple_assign_lhs (stmt1), one);
+ gimple_assign_set_lhs (stmt2, make_ssa_name (gcov_type_tmp_var, stmt2));
+ stmt3 = gimple_build_assign (unshare_expr (ref), gimple_assign_lhs (stmt2));
gsi_insert_on_edge (e, stmt1);
gsi_insert_on_edge (e, stmt2);
gsi_insert_on_edge (e, stmt3);
prepare_instrumented_value (gimple_stmt_iterator *gsi, histogram_value value)
{
tree val = value->hvalue.value;
+ if (POINTER_TYPE_P (TREE_TYPE (val)))
+ val = fold_convert (sizetype, val);
return force_gimple_operand_gsi (gsi, fold_convert (gcov_type_node, val),
true, NULL_TREE, true, GSI_SAME_STMT);
}
-/* Output instructions as GIMPLE trees to increment the interval histogram
- counter. VALUE is the expression whose value is profiled. TAG is the
+/* Output instructions as GIMPLE trees to increment the interval histogram
+ counter. VALUE is the expression whose value is profiled. TAG is the
tag of the section for counters, BASE is offset of the counter position. */
-static void
-tree_gen_interval_profiler (histogram_value value, unsigned tag, unsigned base)
+void
+gimple_gen_interval_profiler (histogram_value value, unsigned tag, unsigned base)
{
gimple stmt = value->hvalue.stmt;
gimple_stmt_iterator gsi = gsi_for_stmt (stmt);
value->hdata.intvl.int_start);
tree steps = build_int_cst_type (unsigned_type_node,
value->hdata.intvl.steps);
-
+
ref_ptr = force_gimple_operand_gsi (&gsi,
build_addr (ref, current_function_decl),
true, NULL_TREE, true, GSI_SAME_STMT);
call = gimple_build_call (tree_interval_profiler_fn, 4,
ref_ptr, val, start, steps);
gsi_insert_before (&gsi, call, GSI_NEW_STMT);
- add_abnormal_goto_call_edges (gsi);
}
-/* Output instructions as GIMPLE trees to increment the power of two histogram
- counter. VALUE is the expression whose value is profiled. TAG is the tag
+/* Output instructions as GIMPLE trees to increment the power of two histogram
+ counter. VALUE is the expression whose value is profiled. TAG is the tag
of the section for counters, BASE is offset of the counter position. */
-static void
-tree_gen_pow2_profiler (histogram_value value, unsigned tag, unsigned base)
+void
+gimple_gen_pow2_profiler (histogram_value value, unsigned tag, unsigned base)
{
gimple stmt = value->hvalue.stmt;
gimple_stmt_iterator gsi = gsi_for_stmt (stmt);
tree ref_ptr = tree_coverage_counter_addr (tag, base);
gimple call;
tree val;
-
+
ref_ptr = force_gimple_operand_gsi (&gsi, ref_ptr,
true, NULL_TREE, true, GSI_SAME_STMT);
val = prepare_instrumented_value (&gsi, value);
call = gimple_build_call (tree_pow2_profiler_fn, 2, ref_ptr, val);
gsi_insert_before (&gsi, call, GSI_NEW_STMT);
- add_abnormal_goto_call_edges (gsi);
}
/* Output instructions as GIMPLE trees for code to find the most common value.
VALUE is the expression whose value is profiled. TAG is the tag of the
section for counters, BASE is offset of the counter position. */
-static void
-tree_gen_one_value_profiler (histogram_value value, unsigned tag, unsigned base)
+void
+gimple_gen_one_value_profiler (histogram_value value, unsigned tag, unsigned base)
{
gimple stmt = value->hvalue.stmt;
gimple_stmt_iterator gsi = gsi_for_stmt (stmt);
tree ref_ptr = tree_coverage_counter_addr (tag, base);
gimple call;
tree val;
-
+
ref_ptr = force_gimple_operand_gsi (&gsi, ref_ptr,
true, NULL_TREE, true, GSI_SAME_STMT);
val = prepare_instrumented_value (&gsi, value);
call = gimple_build_call (tree_one_value_profiler_fn, 2, ref_ptr, val);
gsi_insert_before (&gsi, call, GSI_NEW_STMT);
- add_abnormal_goto_call_edges (gsi);
}
/* Output instructions as GIMPLE trees for code to find the most
- common called function in indirect call.
+ common called function in indirect call.
VALUE is the call expression whose indirect callee is profiled.
TAG is the tag of the section for counters, BASE is offset of the
counter position. */
-static void
-tree_gen_ic_profiler (histogram_value value, unsigned tag, unsigned base)
+void
+gimple_gen_ic_profiler (histogram_value value, unsigned tag, unsigned base)
{
tree tmp1;
gimple stmt1, stmt2, stmt3;
true, NULL_TREE, true, GSI_SAME_STMT);
/* Insert code:
-
- __gcov_indirect_call_counters = get_relevant_counter_ptr ();
+
+ __gcov_indirect_call_counters = get_relevant_counter_ptr ();
__gcov_indirect_call_callee = (void *) indirect call argument;
*/
- tmp1 = create_tmp_var (ptr_void, "PROF");
+ tmp1 = create_tmp_reg (ptr_void, "PROF");
stmt1 = gimple_build_assign (ic_gcov_type_ptr_var, ref_ptr);
stmt2 = gimple_build_assign (tmp1, unshare_expr (value->hvalue.value));
- stmt3 = gimple_build_assign (ic_void_ptr_var, tmp1);
+ gimple_assign_set_lhs (stmt2, make_ssa_name (tmp1, stmt2));
+ stmt3 = gimple_build_assign (ic_void_ptr_var, gimple_assign_lhs (stmt2));
gsi_insert_before (&gsi, stmt1, GSI_SAME_STMT);
gsi_insert_before (&gsi, stmt2, GSI_SAME_STMT);
beginning of every possible called function.
*/
-static void
-tree_gen_ic_func_profiler (void)
+void
+gimple_gen_ic_func_profiler (void)
{
struct cgraph_node * c_node = cgraph_node (current_function_decl);
gimple_stmt_iterator gsi;
- edge e;
- basic_block bb;
- edge_iterator ei;
gimple stmt1, stmt2;
- tree tree_uid, cur_func;
+ tree tree_uid, cur_func, counter_ptr, ptr_var, void0;
- if (!c_node->needed)
+ if (cgraph_only_called_directly_p (c_node))
return;
-
- tree_init_edge_profiler ();
-
- FOR_EACH_EDGE (e, ei, ENTRY_BLOCK_PTR->succs)
- {
- tree void0;
-
- bb = split_edge (e);
- gsi = gsi_start_bb (bb);
-
- cur_func = force_gimple_operand_gsi (&gsi,
- build_addr (current_function_decl,
- current_function_decl),
- true, NULL_TREE,
- true, GSI_SAME_STMT);
- tree_uid = build_int_cst (gcov_type_node, c_node->pid);
- stmt1 = gimple_build_call (tree_indirect_call_profiler_fn, 4,
- ic_gcov_type_ptr_var,
- tree_uid,
- cur_func,
- ic_void_ptr_var);
- gsi_insert_after (&gsi, stmt1, GSI_NEW_STMT);
- gcc_assert (EDGE_COUNT (bb->succs) == 1);
- bb = split_edge (EDGE_I (bb->succs, 0));
- add_abnormal_goto_call_edges (gsi);
-
- gsi = gsi_start_bb (bb);
- /* Set __gcov_indirect_call_callee to 0,
- so that calls from other modules won't get misattributed
- to the last caller of the current callee. */
- void0 = build_int_cst (build_pointer_type (void_type_node), 0);
- stmt2 = gimple_build_assign (ic_void_ptr_var, void0);
- gsi_insert_after (&gsi, stmt2, GSI_NEW_STMT);
- }
+
+ gimple_init_edge_profiler ();
+
+ gsi = gsi_after_labels (single_succ (ENTRY_BLOCK_PTR));
+
+ cur_func = force_gimple_operand_gsi (&gsi,
+ build_addr (current_function_decl,
+ current_function_decl),
+ true, NULL_TREE,
+ true, GSI_SAME_STMT);
+ counter_ptr = force_gimple_operand_gsi (&gsi, ic_gcov_type_ptr_var,
+ true, NULL_TREE, true,
+ GSI_SAME_STMT);
+ ptr_var = force_gimple_operand_gsi (&gsi, ic_void_ptr_var,
+ true, NULL_TREE, true,
+ GSI_SAME_STMT);
+ tree_uid = build_int_cst (gcov_type_node, c_node->pid);
+ stmt1 = gimple_build_call (tree_indirect_call_profiler_fn, 4,
+ counter_ptr, tree_uid, cur_func, ptr_var);
+ gsi_insert_before (&gsi, stmt1, GSI_SAME_STMT);
+
+ /* Set __gcov_indirect_call_callee to 0,
+ so that calls from other modules won't get misattributed
+ to the last caller of the current callee. */
+ void0 = build_int_cst (build_pointer_type (void_type_node), 0);
+ stmt2 = gimple_build_assign (ic_void_ptr_var, void0);
+ gsi_insert_before (&gsi, stmt2, GSI_SAME_STMT);
}
-/* Output instructions as GIMPLE trees for code to find the most common value
+/* Output instructions as GIMPLE trees for code to find the most common value
of a difference between two evaluations of an expression.
VALUE is the expression whose value is profiled. TAG is the tag of the
section for counters, BASE is offset of the counter position. */
-static void
-tree_gen_const_delta_profiler (histogram_value value ATTRIBUTE_UNUSED,
+void
+gimple_gen_const_delta_profiler (histogram_value value ATTRIBUTE_UNUSED,
unsigned tag ATTRIBUTE_UNUSED,
unsigned base ATTRIBUTE_UNUSED)
{
gcc_unreachable ();
}
-/* Output instructions as GIMPLE trees to increment the average histogram
- counter. VALUE is the expression whose value is profiled. TAG is the
+/* Output instructions as GIMPLE trees to increment the average histogram
+ counter. VALUE is the expression whose value is profiled. TAG is the
tag of the section for counters, BASE is offset of the counter position. */
-static void
-tree_gen_average_profiler (histogram_value value, unsigned tag, unsigned base)
+void
+gimple_gen_average_profiler (histogram_value value, unsigned tag, unsigned base)
{
gimple stmt = value->hvalue.stmt;
gimple_stmt_iterator gsi = gsi_for_stmt (stmt);
tree ref_ptr = tree_coverage_counter_addr (tag, base);
gimple call;
tree val;
-
+
ref_ptr = force_gimple_operand_gsi (&gsi, ref_ptr,
true, NULL_TREE,
true, GSI_SAME_STMT);
val = prepare_instrumented_value (&gsi, value);
call = gimple_build_call (tree_average_profiler_fn, 2, ref_ptr, val);
gsi_insert_before (&gsi, call, GSI_NEW_STMT);
- add_abnormal_goto_call_edges (gsi);
}
-/* Output instructions as GIMPLE trees to increment the ior histogram
- counter. VALUE is the expression whose value is profiled. TAG is the
+/* Output instructions as GIMPLE trees to increment the ior histogram
+ counter. VALUE is the expression whose value is profiled. TAG is the
tag of the section for counters, BASE is offset of the counter position. */
-static void
-tree_gen_ior_profiler (histogram_value value, unsigned tag, unsigned base)
+void
+gimple_gen_ior_profiler (histogram_value value, unsigned tag, unsigned base)
{
gimple stmt = value->hvalue.stmt;
gimple_stmt_iterator gsi = gsi_for_stmt (stmt);
tree ref_ptr = tree_coverage_counter_addr (tag, base);
gimple call;
tree val;
-
+
ref_ptr = force_gimple_operand_gsi (&gsi, ref_ptr,
true, NULL_TREE, true, GSI_SAME_STMT);
val = prepare_instrumented_value (&gsi, value);
call = gimple_build_call (tree_ior_profiler_fn, 2, ref_ptr, val);
gsi_insert_before (&gsi, call, GSI_NEW_STMT);
- add_abnormal_goto_call_edges (gsi);
}
-/* Return 1 if tree-based profiling is in effect, else 0.
- If it is, set up hooks for tree-based profiling.
- Gate for pass_tree_profile. */
-
-static bool
-do_tree_profiling (void)
-{
- if (profile_arc_flag || flag_test_coverage || flag_branch_probabilities)
- {
- tree_register_profile_hooks ();
- gimple_register_value_prof_hooks ();
- return true;
- }
- return false;
-}
+/* Profile all functions in the callgraph. */
static unsigned int
tree_profiling (void)
{
+ struct cgraph_node *node;
+
/* Don't profile functions produced at destruction time, particularly
the gcov datastructure initializer. Don't profile if it has been
already instrumented either (when OpenMP expansion creates
child function from already instrumented body). */
- if (cgraph_state == CGRAPH_STATE_FINISHED
- || cfun->after_tree_profile)
+ if (cgraph_state == CGRAPH_STATE_FINISHED)
return 0;
- /* Re-set global shared temporary variable for edge-counters. */
- gcov_type_tmp_var = NULL_TREE;
-
- branch_prob ();
-
- if (! flag_branch_probabilities
- && flag_profile_values)
- tree_gen_ic_func_profiler ();
-
- if (flag_branch_probabilities
- && flag_profile_values
- && flag_value_profile_transformations)
- value_profile_transformations ();
- /* The above could hose dominator info. Currently there is
- none coming in, this is a safety valve. It should be
- easy to adjust it, if and when there is some. */
- free_dominance_info (CDI_DOMINATORS);
- free_dominance_info (CDI_POST_DOMINATORS);
- cfun->after_tree_profile = 1;
+ for (node = cgraph_nodes; node; node = node->next)
+ {
+ if (!node->analyzed
+ || !gimple_has_body_p (node->decl)
+ || !(!node->clone_of || node->decl != node->clone_of->decl))
+ continue;
+
+ /* Don't profile functions produced for builtin stuff. */
+ if (DECL_SOURCE_LOCATION (node->decl) == BUILTINS_LOCATION
+ || DECL_STRUCT_FUNCTION (node->decl)->after_tree_profile)
+ continue;
+
+ push_cfun (DECL_STRUCT_FUNCTION (node->decl));
+ current_function_decl = node->decl;
+
+ /* Re-set global shared temporary variable for edge-counters. */
+ gcov_type_tmp_var = NULL_TREE;
+
+ branch_prob ();
+
+ if (! flag_branch_probabilities
+ && flag_profile_values)
+ gimple_gen_ic_func_profiler ();
+
+ if (flag_branch_probabilities
+ && flag_profile_values
+ && flag_value_profile_transformations)
+ gimple_value_profile_transformations ();
+
+ /* The above could hose dominator info. Currently there is
+ none coming in, this is a safety valve. It should be
+ easy to adjust it, if and when there is some. */
+ free_dominance_info (CDI_DOMINATORS);
+ free_dominance_info (CDI_POST_DOMINATORS);
+
+ current_function_decl = NULL;
+ pop_cfun ();
+ }
+
+ /* Drop pure/const flags from instrumented functions. */
+ for (node = cgraph_nodes; node; node = node->next)
+ {
+ if (!node->analyzed
+ || !gimple_has_body_p (node->decl)
+ || !(!node->clone_of || node->decl != node->clone_of->decl))
+ continue;
+
+ /* Don't profile functions produced for builtin stuff. */
+ if (DECL_SOURCE_LOCATION (node->decl) == BUILTINS_LOCATION
+ || DECL_STRUCT_FUNCTION (node->decl)->after_tree_profile)
+ continue;
+
+ cgraph_set_const_flag (node, false, false);
+ cgraph_set_pure_flag (node, false, false);
+ }
+
+ /* Update call statements and rebuild the cgraph. */
+ for (node = cgraph_nodes; node; node = node->next)
+ {
+ basic_block bb;
+
+ if (!node->analyzed
+ || !gimple_has_body_p (node->decl)
+ || !(!node->clone_of || node->decl != node->clone_of->decl))
+ continue;
+
+ /* Don't profile functions produced for builtin stuff. */
+ if (DECL_SOURCE_LOCATION (node->decl) == BUILTINS_LOCATION
+ || DECL_STRUCT_FUNCTION (node->decl)->after_tree_profile)
+ continue;
+
+ push_cfun (DECL_STRUCT_FUNCTION (node->decl));
+ current_function_decl = node->decl;
+
+ FOR_EACH_BB (bb)
+ {
+ gimple_stmt_iterator gsi;
+ for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
+ {
+ gimple stmt = gsi_stmt (gsi);
+ if (is_gimple_call (stmt))
+ update_stmt (stmt);
+ }
+ }
+
+ cfun->after_tree_profile = 1;
+ update_ssa (TODO_update_ssa);
+
+ rebuild_cgraph_edges ();
+
+ current_function_decl = NULL;
+ pop_cfun ();
+ }
+
return 0;
}
-struct gimple_opt_pass pass_tree_profile =
+/* When profile instrumentation, use or test coverage shall be performed. */
+
+static bool
+gate_tree_profile_ipa (void)
{
- {
- GIMPLE_PASS,
- "tree_profile", /* name */
- do_tree_profiling, /* gate */
- tree_profiling, /* execute */
- NULL, /* sub */
- NULL, /* next */
- 0, /* static_pass_number */
- TV_BRANCH_PROB, /* tv_id */
- PROP_gimple_leh | PROP_cfg, /* properties_required */
- PROP_gimple_leh | PROP_cfg, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_verify_stmts | TODO_dump_func /* todo_flags_finish */
- }
-};
+ return (!in_lto_p
+ && (flag_branch_probabilities || flag_test_coverage
+ || profile_arc_flag));
+}
-struct profile_hooks tree_profile_hooks =
+struct simple_ipa_opt_pass pass_ipa_tree_profile =
{
- tree_init_edge_profiler, /* init_edge_profiler */
- tree_gen_edge_profiler, /* gen_edge_profiler */
- tree_gen_interval_profiler, /* gen_interval_profiler */
- tree_gen_pow2_profiler, /* gen_pow2_profiler */
- tree_gen_one_value_profiler, /* gen_one_value_profiler */
- tree_gen_const_delta_profiler, /* gen_const_delta_profiler */
- tree_gen_ic_profiler, /* gen_ic_profiler */
- tree_gen_average_profiler, /* gen_average_profiler */
- tree_gen_ior_profiler /* gen_ior_profiler */
+ {
+ SIMPLE_IPA_PASS,
+ "tree_profile_ipa", /* name */
+ gate_tree_profile_ipa, /* gate */
+ tree_profiling, /* execute */
+ NULL, /* sub */
+ NULL, /* next */
+ 0, /* static_pass_number */
+ TV_IPA_PROFILE, /* tv_id */
+ 0, /* properties_required */
+ 0, /* properties_provided */
+ 0, /* properties_destroyed */
+ 0, /* todo_flags_start */
+ TODO_dump_func /* todo_flags_finish */
+ }
};
#include "gt-tree-profile.h"
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