#include "system.h"
#include "coretypes.h"
#include "tm.h"
-#include "toplev.h"
+#include "diagnostic-core.h"
#include "tree.h"
#include "tree-inline.h"
-#include "rtl.h"
-#include "expr.h"
#include "flags.h"
#include "params.h"
#include "input.h"
#include "tree-mudflap.h"
#include "tree-flow.h"
#include "function.h"
-#include "ggc.h"
#include "tree-flow.h"
-#include "diagnostic.h"
+#include "tree-pretty-print.h"
#include "except.h"
#include "debug.h"
#include "pointer-set.h"
#include "target.h"
#include "integrate.h"
+#include "rtl.h" /* FIXME: For asm_str_count. */
+
/* I'm not real happy about this, but we need to handle gimple and
non-gimple trees. */
#include "gimple.h"
calls? */
-/* Weights that estimate_num_insns uses for heuristics in inlining. */
-
-eni_weights eni_inlining_weights;
-
/* Weights that estimate_num_insns uses to estimate the size of the
produced code. */
/* Prototypes. */
-static tree declare_return_variable (copy_body_data *, tree, tree);
+static tree declare_return_variable (copy_body_data *, tree, tree, basic_block);
static void remap_block (tree *, copy_body_data *);
static void copy_bind_expr (tree *, int *, copy_body_data *);
static tree mark_local_for_remap_r (tree *, int *, void *);
&& (TREE_CODE (SSA_NAME_VAR (name)) != RESULT_DECL
|| !id->transform_return_to_modify))
{
+ struct ptr_info_def *pi;
new_tree = make_ssa_name (new_tree, NULL);
insert_decl_map (id, name, new_tree);
SSA_NAME_OCCURS_IN_ABNORMAL_PHI (new_tree)
= SSA_NAME_OCCURS_IN_ABNORMAL_PHI (name);
TREE_TYPE (new_tree) = TREE_TYPE (SSA_NAME_VAR (new_tree));
+ /* At least IPA points-to info can be directly transferred. */
+ if (id->src_cfun->gimple_df
+ && id->src_cfun->gimple_df->ipa_pta
+ && (pi = SSA_NAME_PTR_INFO (name))
+ && !pi->pt.anything)
+ {
+ struct ptr_info_def *new_pi = get_ptr_info (new_tree);
+ new_pi->pt = pi->pt;
+ }
if (gimple_nop_p (SSA_NAME_DEF_STMT (name)))
{
/* By inlining function having uninitialized variable, we might
regions of the CFG, but this is expensive to test. */
if (id->entry_bb
&& is_gimple_reg (SSA_NAME_VAR (name))
+ && SSA_NAME_OCCURS_IN_ABNORMAL_PHI (name)
&& TREE_CODE (SSA_NAME_VAR (name)) != PARM_DECL
&& (id->entry_bb != EDGE_SUCC (ENTRY_BLOCK_PTR, 0)->dest
|| EDGE_COUNT (id->entry_bb->preds) != 1))
{
gimple_stmt_iterator gsi = gsi_last_bb (id->entry_bb);
gimple init_stmt;
+ tree zero = build_zero_cst (TREE_TYPE (new_tree));
- init_stmt = gimple_build_assign (new_tree,
- fold_convert (TREE_TYPE (new_tree),
- integer_zero_node));
+ init_stmt = gimple_build_assign (new_tree, zero);
gsi_insert_after (&gsi, init_stmt, GSI_NEW_STMT);
SSA_NAME_IS_DEFAULT_DEF (new_tree) = 0;
}
{
tree f, nf = NULL;
- for (f = TYPE_FIELDS (new_tree); f ; f = TREE_CHAIN (f))
+ for (f = TYPE_FIELDS (new_tree); f ; f = DECL_CHAIN (f))
{
t = remap_decl (f, id);
DECL_CONTEXT (t) = new_tree;
- TREE_CHAIN (t) = nf;
+ DECL_CHAIN (t) = nf;
nf = t;
}
TYPE_FIELDS (new_tree) = nreverse (nf);
tree new_decls = NULL_TREE;
/* Remap its variables. */
- for (old_var = decls; old_var; old_var = TREE_CHAIN (old_var))
+ for (old_var = decls; old_var; old_var = DECL_CHAIN (old_var))
{
tree new_var;
if (TREE_CODE (old_var) == VAR_DECL
&& ! DECL_EXTERNAL (old_var)
&& (var_ann (old_var) || !gimple_in_ssa_p (cfun)))
- cfun->local_decls = tree_cons (NULL_TREE, old_var,
- cfun->local_decls);
+ add_local_decl (cfun, old_var);
if ((!optimize || debug_info_level > DINFO_LEVEL_TERSE)
&& !DECL_IGNORED_P (old_var)
&& nonlocalized_list)
else
{
gcc_assert (DECL_P (new_var));
- TREE_CHAIN (new_var) = new_decls;
+ DECL_CHAIN (new_var) = new_decls;
new_decls = new_var;
+
+ /* Also copy value-expressions. */
+ if (TREE_CODE (new_var) == VAR_DECL
+ && DECL_HAS_VALUE_EXPR_P (new_var))
+ {
+ tree tem = DECL_VALUE_EXPR (new_var);
+ bool old_regimplify = id->regimplify;
+ id->remapping_type_depth++;
+ walk_tree (&tem, copy_tree_body_r, id, NULL);
+ id->remapping_type_depth--;
+ id->regimplify = old_regimplify;
+ SET_DECL_VALUE_EXPR (new_var, tem);
+ }
}
}
/* Create a new gimple_seq by remapping all the statements in BODY
using the inlining information in ID. */
-gimple_seq
+static gimple_seq
remap_gimple_seq (gimple_seq body, copy_body_data *id)
{
gimple_stmt_iterator si;
{
/* Otherwise, just copy the node. Note that copy_tree_r already
knows not to copy VAR_DECLs, etc., so this is safe. */
- if (TREE_CODE (*tp) == INDIRECT_REF)
+ if (TREE_CODE (*tp) == MEM_REF)
{
- /* Get rid of *& from inline substitutions that can happen when a
- pointer argument is an ADDR_EXPR. */
+ /* We need to re-canonicalize MEM_REFs from inline substitutions
+ that can happen when a pointer argument is an ADDR_EXPR. */
tree decl = TREE_OPERAND (*tp, 0);
tree *n;
+ /* See remap_ssa_name. */
+ if (TREE_CODE (decl) == SSA_NAME
+ && TREE_CODE (SSA_NAME_VAR (decl)) == RESULT_DECL
+ && id->transform_return_to_modify)
+ decl = SSA_NAME_VAR (decl);
+
n = (tree *) pointer_map_contains (id->decl_map, decl);
if (n)
{
- tree type, new_tree, old;
-
- /* If we happen to get an ADDR_EXPR in n->value, strip
- it manually here as we'll eventually get ADDR_EXPRs
- which lie about their types pointed to. In this case
- build_fold_indirect_ref wouldn't strip the
- INDIRECT_REF, but we absolutely rely on that. As
- fold_indirect_ref does other useful transformations,
- try that first, though. */
- type = TREE_TYPE (TREE_TYPE (*n));
- new_tree = unshare_expr (*n);
- old = *tp;
- *tp = gimple_fold_indirect_ref (new_tree);
- if (!*tp)
- {
- if (TREE_CODE (new_tree) == ADDR_EXPR)
- {
- *tp = fold_indirect_ref_1 (EXPR_LOCATION (new_tree),
- type, new_tree);
- /* ??? We should either assert here or build
- a VIEW_CONVERT_EXPR instead of blindly leaking
- incompatible types to our IL. */
- if (! *tp)
- *tp = TREE_OPERAND (new_tree, 0);
- }
- else
- {
- *tp = build1 (INDIRECT_REF, type, new_tree);
- TREE_THIS_VOLATILE (*tp) = TREE_THIS_VOLATILE (old);
- TREE_NO_WARNING (*tp) = TREE_NO_WARNING (old);
- }
+ tree old = *tp;
+ tree ptr = unshare_expr (*n);
+ tree tem;
+ if ((tem = maybe_fold_offset_to_reference (EXPR_LOCATION (*tp),
+ ptr,
+ TREE_OPERAND (*tp, 1),
+ TREE_TYPE (*tp)))
+ && TREE_THIS_VOLATILE (tem) == TREE_THIS_VOLATILE (old))
+ {
+ tree *tem_basep = &tem;
+ while (handled_component_p (*tem_basep))
+ tem_basep = &TREE_OPERAND (*tem_basep, 0);
+ if (TREE_CODE (*tem_basep) == MEM_REF)
+ *tem_basep
+ = build2 (MEM_REF, TREE_TYPE (*tem_basep),
+ TREE_OPERAND (*tem_basep, 0),
+ fold_convert (TREE_TYPE (TREE_OPERAND (*tp, 1)),
+ TREE_OPERAND (*tem_basep, 1)));
+ else
+ *tem_basep
+ = build2 (MEM_REF, TREE_TYPE (*tem_basep),
+ build_fold_addr_expr (*tem_basep),
+ build_int_cst
+ (TREE_TYPE (TREE_OPERAND (*tp, 1)), 0));
+ *tp = tem;
}
+ else
+ {
+ *tp = fold_build2 (MEM_REF, TREE_TYPE (*tp),
+ ptr, TREE_OPERAND (*tp, 1));
+ TREE_THIS_VOLATILE (*tp) = TREE_THIS_VOLATILE (old);
+ TREE_THIS_NOTRAP (*tp) = TREE_THIS_NOTRAP (old);
+ }
+ TREE_NO_WARNING (*tp) = TREE_NO_WARNING (old);
*walk_subtrees = 0;
return NULL;
}
else if (TREE_CODE (*tp) == ADDR_EXPR)
{
/* Variable substitution need not be simple. In particular,
- the INDIRECT_REF substitution above. Make sure that
+ the MEM_REF substitution above. Make sure that
TREE_CONSTANT and friends are up-to-date. But make sure
to not improperly set TREE_BLOCK on some sub-expressions. */
int invariant = is_gimple_min_invariant (*tp);
tree block = id->block;
id->block = NULL_TREE;
- walk_tree (&TREE_OPERAND (*tp, 0), copy_tree_body_r, id, NULL);
+ walk_tree (&TREE_OPERAND (*tp, 0), remap_gimple_op_r, data, NULL);
id->block = block;
-
- /* Handle the case where we substituted an INDIRECT_REF
- into the operand of the ADDR_EXPR. */
- if (TREE_CODE (TREE_OPERAND (*tp, 0)) == INDIRECT_REF)
- *tp = TREE_OPERAND (TREE_OPERAND (*tp, 0), 0);
- else
- recompute_tree_invariant_for_addr_expr (*tp);
+ recompute_tree_invariant_for_addr_expr (*tp);
/* If this used to be invariant, but is not any longer,
then regimplification is probably needed. */
*tp = build1 (INDIRECT_REF, type, new_tree);
TREE_THIS_VOLATILE (*tp) = TREE_THIS_VOLATILE (old);
TREE_SIDE_EFFECTS (*tp) = TREE_SIDE_EFFECTS (old);
+ TREE_READONLY (*tp) = TREE_READONLY (old);
+ TREE_THIS_NOTRAP (*tp) = TREE_THIS_NOTRAP (old);
}
}
*walk_subtrees = 0;
return NULL;
}
}
+ else if (TREE_CODE (*tp) == MEM_REF)
+ {
+ /* We need to re-canonicalize MEM_REFs from inline substitutions
+ that can happen when a pointer argument is an ADDR_EXPR. */
+ tree decl = TREE_OPERAND (*tp, 0);
+ tree *n;
+
+ n = (tree *) pointer_map_contains (id->decl_map, decl);
+ if (n)
+ {
+ tree old = *tp;
+ *tp = fold_build2 (MEM_REF, TREE_TYPE (*tp),
+ unshare_expr (*n), TREE_OPERAND (*tp, 1));
+ TREE_THIS_VOLATILE (*tp) = TREE_THIS_VOLATILE (old);
+ TREE_NO_WARNING (*tp) = TREE_NO_WARNING (old);
+ *walk_subtrees = 0;
+ return NULL;
+ }
+ }
/* Here is the "usual case". Copy this tree node, and then
tweak some special cases. */
tree *n;
n = (tree *) pointer_map_contains (id->decl_map,
TREE_BLOCK (*tp));
- gcc_assert (n);
- new_block = *n;
+ gcc_assert (n || id->remapping_type_depth != 0);
+ if (n)
+ new_block = *n;
}
TREE_BLOCK (*tp) = new_block;
}
If RETVAL is just the result decl, the result decl has
already been set (e.g. a recent "foo (&result_decl, ...)");
just toss the entire GIMPLE_RETURN. */
- if (retval && TREE_CODE (retval) != RESULT_DECL)
+ if (retval
+ && (TREE_CODE (retval) != RESULT_DECL
+ && (TREE_CODE (retval) != SSA_NAME
+ || TREE_CODE (SSA_NAME_VAR (retval)) != RESULT_DECL)))
{
copy = gimple_build_assign (id->retvar, retval);
/* id->retvar is already substituted. Skip it on later remapping. */
default:
break;
}
+
+ /* Reset alias info if we didn't apply measures to
+ keep it valid over inlining by setting DECL_PT_UID. */
+ if (!id->src_cfun->gimple_df
+ || !id->src_cfun->gimple_df->ipa_pta)
+ gimple_call_reset_alias_info (copy);
}
break;
basic_block copy_basic_block;
tree decl;
gcov_type freq;
+ basic_block prev;
+
+ /* Search for previous copied basic block. */
+ prev = bb->prev_bb;
+ while (!prev->aux)
+ prev = prev->prev_bb;
/* create_basic_block() will append every new block to
basic_block_info automatically. */
copy_basic_block = create_basic_block (NULL, (void *) 0,
- (basic_block) bb->prev_bb->aux);
+ (basic_block) prev->aux);
copy_basic_block->count = bb->count * count_scale / REG_BR_PROB_BASE;
/* We are going to rebuild frequencies from scratch. These values
tree new_rhs;
new_rhs = force_gimple_operand_gsi (&seq_gsi,
gimple_assign_rhs1 (stmt),
- true, NULL, false, GSI_NEW_STMT);
+ true, NULL, false,
+ GSI_CONTINUE_LINKING);
gimple_assign_set_rhs1 (stmt, new_rhs);
id->regimplify = false;
}
size_t nargs = gimple_call_num_args (id->gimple_call);
size_t n;
- for (p = DECL_ARGUMENTS (id->src_fn); p; p = TREE_CHAIN (p))
+ for (p = DECL_ARGUMENTS (id->src_fn); p; p = DECL_CHAIN (p))
nargs--;
/* Create the new array of arguments. */
gimple_call_set_lhs (new_call, gimple_call_lhs (stmt));
gsi_replace (©_gsi, new_call, false);
- gimple_set_bb (stmt, NULL);
stmt = new_call;
}
else if (is_gimple_call (stmt)
tree count, p;
gimple new_stmt;
- for (p = DECL_ARGUMENTS (id->src_fn); p; p = TREE_CHAIN (p))
+ for (p = DECL_ARGUMENTS (id->src_fn); p; p = DECL_CHAIN (p))
nargs--;
count = build_int_cst (integer_type_node, nargs);
bb->frequency,
copy_basic_block->frequency);
}
+ stmt = cgraph_redirect_edge_call_stmt_to_callee (edge);
}
break;
/* Constant propagation on argument done during inlining
may create new direct call. Produce an edge for it. */
if ((!edge
- || (edge->indirect_call
+ || (edge->indirect_inlining_edge
&& id->transform_call_graph_edges == CB_CGE_MOVE_CLONES))
- && is_gimple_call (stmt)
&& (fn = gimple_call_fndecl (stmt)) != NULL)
{
struct cgraph_node *dest = cgraph_node (fn);
/* We have missing edge in the callgraph. This can happen
when previous inlining turned an indirect call into a
direct call by constant propagating arguments or we are
- producing dead clone (for further clonning). In all
+ producing dead clone (for further cloning). In all
other cases we hit a bug (incorrect node sharing is the
most common reason for missing edges). */
gcc_assert (dest->needed || !dest->analyzed
- || !id->src_node->analyzed);
+ || dest->address_taken
+ || !id->src_node->analyzed
+ || !id->dst_node->analyzed);
if (id->transform_call_graph_edges == CB_CGE_MOVE_CLONES)
cgraph_create_edge_including_clones
(id->dst_node, dest, orig_stmt, stmt, bb->count,
= CIF_ORIGINALLY_INDIRECT_CALL;
if (dump_file)
{
- fprintf (dump_file, "Created new direct edge to %s",
+ fprintf (dump_file, "Created new direct edge to %s\n",
cgraph_node_name (dest));
}
}
/* Copy edges from BB into its copy constructed earlier, scale profile
accordingly. Edges will be taken care of later. Assume aux
- pointers to point to the copies of each BB. */
+ pointers to point to the copies of each BB. Return true if any
+ debug stmts are left after a statement that must end the basic block. */
-static void
+static bool
copy_edges_for_bb (basic_block bb, gcov_type count_scale, basic_block ret_bb)
{
basic_block new_bb = (basic_block) bb->aux;
edge old_edge;
gimple_stmt_iterator si;
int flags;
+ bool need_debug_cleanup = false;
/* Use the indices from the original blocks to create edges for the
new ones. */
}
if (bb->index == ENTRY_BLOCK || bb->index == EXIT_BLOCK)
- return;
+ return false;
for (si = gsi_start_bb (new_bb); !gsi_end_p (si);)
{
if (can_throw || nonlocal_goto)
{
if (!gsi_end_p (si))
+ {
+ while (!gsi_end_p (si) && is_gimple_debug (gsi_stmt (si)))
+ gsi_next (&si);
+ if (gsi_end_p (si))
+ need_debug_cleanup = true;
+ }
+ if (!gsi_end_p (si))
/* Note that bb's predecessor edges aren't necessarily
right at this point; split_block doesn't care. */
{
update_ssa_across_abnormal_edges (gimple_bb (copy_stmt), ret_bb,
can_throw, nonlocal_goto);
}
+ return need_debug_cleanup;
}
/* Copy the PHIs. All blocks and edges are copied, some blocks
edge_iterator ei;
gimple phi;
gimple_stmt_iterator si;
+ edge new_edge;
+ bool inserted = false;
for (si = gsi_start (phi_nodes (bb)); !gsi_end_p (si); gsi_next (&si))
{
tree res, new_res;
gimple new_phi;
- edge new_edge;
phi = gsi_stmt (si);
res = PHI_RESULT (phi);
= new_phi = create_phi_node (new_res, new_bb);
FOR_EACH_EDGE (new_edge, ei, new_bb->preds)
{
- edge const old_edge
- = find_edge ((basic_block) new_edge->src->aux, bb);
- tree arg = PHI_ARG_DEF_FROM_EDGE (phi, old_edge);
- tree new_arg = arg;
+ edge old_edge = find_edge ((basic_block) new_edge->src->aux, bb);
+ tree arg;
+ tree new_arg;
tree block = id->block;
+ edge_iterator ei2;
+
+ /* When doing partial cloning, we allow PHIs on the entry block
+ as long as all the arguments are the same. Find any input
+ edge to see argument to copy. */
+ if (!old_edge)
+ FOR_EACH_EDGE (old_edge, ei2, bb->preds)
+ if (!old_edge->src->aux)
+ break;
+
+ arg = PHI_ARG_DEF_FROM_EDGE (phi, old_edge);
+ new_arg = arg;
id->block = NULL_TREE;
walk_tree (&new_arg, copy_tree_body_r, id, NULL);
id->block = block;
{
gimple_seq stmts = NULL;
new_arg = force_gimple_operand (new_arg, &stmts, true, NULL);
- gsi_insert_seq_on_edge_immediate (new_edge, stmts);
+ gsi_insert_seq_on_edge (new_edge, stmts);
+ inserted = true;
}
add_phi_arg (new_phi, new_arg, new_edge,
gimple_phi_arg_location_from_edge (phi, old_edge));
}
}
}
+
+ /* Commit the delayed edge insertions. */
+ if (inserted)
+ FOR_EACH_EDGE (new_edge, ei, new_bb->preds)
+ gsi_commit_one_edge_insert (new_edge, NULL);
}
gcc_assert (cfun->cfg == NULL);
gcc_assert (cfun->decl == new_fndecl);
- /* Copy items we preserve during clonning. */
+ /* Copy items we preserve during cloning. */
cfun->static_chain_decl = src_cfun->static_chain_decl;
cfun->nonlocal_goto_save_area = src_cfun->nonlocal_goto_save_area;
cfun->function_end_locus = src_cfun->function_end_locus;
cfun->last_verified = src_cfun->last_verified;
cfun->va_list_gpr_size = src_cfun->va_list_gpr_size;
cfun->va_list_fpr_size = src_cfun->va_list_fpr_size;
- cfun->function_frequency = src_cfun->function_frequency;
cfun->has_nonlocal_label = src_cfun->has_nonlocal_label;
cfun->stdarg = src_cfun->stdarg;
cfun->dont_save_pending_sizes_p = src_cfun->dont_save_pending_sizes_p;
cfun->after_inlining = src_cfun->after_inlining;
+ cfun->can_throw_non_call_exceptions
+ = src_cfun->can_throw_non_call_exceptions;
cfun->returns_struct = src_cfun->returns_struct;
cfun->returns_pcc_struct = src_cfun->returns_pcc_struct;
cfun->after_tree_profile = src_cfun->after_tree_profile;
pop_cfun ();
}
+/* Helper function for copy_cfg_body. Move debug stmts from the end
+ of NEW_BB to the beginning of successor basic blocks when needed. If the
+ successor has multiple predecessors, reset them, otherwise keep
+ their value. */
+
+static void
+maybe_move_debug_stmts_to_successors (copy_body_data *id, basic_block new_bb)
+{
+ edge e;
+ edge_iterator ei;
+ gimple_stmt_iterator si = gsi_last_nondebug_bb (new_bb);
+
+ if (gsi_end_p (si)
+ || gsi_one_before_end_p (si)
+ || !(stmt_can_throw_internal (gsi_stmt (si))
+ || stmt_can_make_abnormal_goto (gsi_stmt (si))))
+ return;
+
+ FOR_EACH_EDGE (e, ei, new_bb->succs)
+ {
+ gimple_stmt_iterator ssi = gsi_last_bb (new_bb);
+ gimple_stmt_iterator dsi = gsi_after_labels (e->dest);
+ while (is_gimple_debug (gsi_stmt (ssi)))
+ {
+ gimple stmt = gsi_stmt (ssi), new_stmt;
+ tree var;
+ tree value;
+
+ /* For the last edge move the debug stmts instead of copying
+ them. */
+ if (ei_one_before_end_p (ei))
+ {
+ si = ssi;
+ gsi_prev (&ssi);
+ if (!single_pred_p (e->dest))
+ gimple_debug_bind_reset_value (stmt);
+ gsi_remove (&si, false);
+ gsi_insert_before (&dsi, stmt, GSI_SAME_STMT);
+ continue;
+ }
+
+ var = gimple_debug_bind_get_var (stmt);
+ if (single_pred_p (e->dest))
+ {
+ value = gimple_debug_bind_get_value (stmt);
+ value = unshare_expr (value);
+ }
+ else
+ value = NULL_TREE;
+ new_stmt = gimple_build_debug_bind (var, value, stmt);
+ gsi_insert_before (&dsi, new_stmt, GSI_SAME_STMT);
+ VEC_safe_push (gimple, heap, id->debug_stmts, new_stmt);
+ gsi_prev (&ssi);
+ }
+ }
+}
+
/* Make a copy of the body of FN so that it can be inserted inline in
another function. Walks FN via CFG, returns new fndecl. */
static tree
copy_cfg_body (copy_body_data * id, gcov_type count, int frequency_scale,
- basic_block entry_block_map, basic_block exit_block_map)
+ basic_block entry_block_map, basic_block exit_block_map,
+ bitmap blocks_to_copy, basic_block new_entry)
{
tree callee_fndecl = id->src_fn;
/* Original cfun for the callee, doesn't change. */
struct function *cfun_to_copy;
basic_block bb;
tree new_fndecl = NULL;
+ bool need_debug_cleanup = false;
gcov_type count_scale;
int last;
+ int incoming_frequency = 0;
+ gcov_type incoming_count = 0;
if (ENTRY_BLOCK_PTR_FOR_FUNCTION (src_cfun)->count)
count_scale = (REG_BR_PROB_BASE * count
/* Register specific tree functions. */
gimple_register_cfg_hooks ();
+ /* If we are inlining just region of the function, make sure to connect new entry
+ to ENTRY_BLOCK_PTR. Since new entry can be part of loop, we must compute
+ frequency and probability of ENTRY_BLOCK_PTR based on the frequencies and
+ probabilities of edges incoming from nonduplicated region. */
+ if (new_entry)
+ {
+ edge e;
+ edge_iterator ei;
+
+ FOR_EACH_EDGE (e, ei, new_entry->preds)
+ if (!e->src->aux)
+ {
+ incoming_frequency += EDGE_FREQUENCY (e);
+ incoming_count += e->count;
+ }
+ incoming_count = incoming_count * count_scale / REG_BR_PROB_BASE;
+ incoming_frequency
+ = incoming_frequency * frequency_scale / REG_BR_PROB_BASE;
+ ENTRY_BLOCK_PTR->count = incoming_count;
+ ENTRY_BLOCK_PTR->frequency = incoming_frequency;
+ }
+
/* Must have a CFG here at this point. */
gcc_assert (ENTRY_BLOCK_PTR_FOR_FUNCTION
(DECL_STRUCT_FUNCTION (callee_fndecl)));
/* Use aux pointers to map the original blocks to copy. */
FOR_EACH_BB_FN (bb, cfun_to_copy)
- {
- basic_block new_bb = copy_bb (id, bb, frequency_scale, count_scale);
- bb->aux = new_bb;
- new_bb->aux = bb;
- }
+ if (!blocks_to_copy || bitmap_bit_p (blocks_to_copy, bb->index))
+ {
+ basic_block new_bb = copy_bb (id, bb, frequency_scale, count_scale);
+ bb->aux = new_bb;
+ new_bb->aux = bb;
+ }
last = last_basic_block;
/* Now that we've duplicated the blocks, duplicate their edges. */
FOR_ALL_BB_FN (bb, cfun_to_copy)
- copy_edges_for_bb (bb, count_scale, exit_block_map);
+ if (!blocks_to_copy
+ || (bb->index > 0 && bitmap_bit_p (blocks_to_copy, bb->index)))
+ need_debug_cleanup |= copy_edges_for_bb (bb, count_scale, exit_block_map);
+
+ if (new_entry)
+ {
+ edge e = make_edge (entry_block_map, (basic_block)new_entry->aux, EDGE_FALLTHRU);
+ e->probability = REG_BR_PROB_BASE;
+ e->count = incoming_count;
+ }
if (gimple_in_ssa_p (cfun))
FOR_ALL_BB_FN (bb, cfun_to_copy)
- copy_phis_for_bb (bb, id);
+ if (!blocks_to_copy
+ || (bb->index > 0 && bitmap_bit_p (blocks_to_copy, bb->index)))
+ copy_phis_for_bb (bb, id);
FOR_ALL_BB_FN (bb, cfun_to_copy)
- {
- ((basic_block)bb->aux)->aux = NULL;
- bb->aux = NULL;
- }
+ if (bb->aux)
+ {
+ if (need_debug_cleanup
+ && bb->index != ENTRY_BLOCK
+ && bb->index != EXIT_BLOCK)
+ maybe_move_debug_stmts_to_successors (id, (basic_block) bb->aux);
+ ((basic_block)bb->aux)->aux = NULL;
+ bb->aux = NULL;
+ }
/* Zero out AUX fields of newly created block during EH edge
insertion. */
for (; last < last_basic_block; last++)
- BASIC_BLOCK (last)->aux = NULL;
+ {
+ if (need_debug_cleanup)
+ maybe_move_debug_stmts_to_successors (id, BASIC_BLOCK (last));
+ BASIC_BLOCK (last)->aux = NULL;
+ }
entry_block_map->aux = NULL;
exit_block_map->aux = NULL;
if (!id->debug_stmts)
return;
- for (i = 0; VEC_iterate (gimple, id->debug_stmts, i, stmt); i++)
+ FOR_EACH_VEC_ELT (gimple, id->debug_stmts, i, stmt)
copy_debug_stmt (stmt, id);
VEC_free (gimple, heap, id->debug_stmts);
static tree
copy_body (copy_body_data *id, gcov_type count, int frequency_scale,
- basic_block entry_block_map, basic_block exit_block_map)
+ basic_block entry_block_map, basic_block exit_block_map,
+ bitmap blocks_to_copy, basic_block new_entry)
{
tree fndecl = id->src_fn;
tree body;
/* If this body has a CFG, walk CFG and copy. */
gcc_assert (ENTRY_BLOCK_PTR_FOR_FUNCTION (DECL_STRUCT_FUNCTION (fndecl)));
- body = copy_cfg_body (id, count, frequency_scale, entry_block_map, exit_block_map);
+ body = copy_cfg_body (id, count, frequency_scale, entry_block_map, exit_block_map,
+ blocks_to_copy, new_entry);
copy_debug_stmts (id);
return body;
}
/* Declare this new variable. */
- TREE_CHAIN (var) = *vars;
+ DECL_CHAIN (var) = *vars;
*vars = var;
/* Make gimplifier happy about this variable. */
/* Loop through the parameter declarations, replacing each with an
equivalent VAR_DECL, appropriately initialized. */
- for (p = parms, i = 0; p; p = TREE_CHAIN (p), i++)
+ for (p = parms, i = 0; p; p = DECL_CHAIN (p), i++)
{
tree val;
val = i < gimple_call_num_args (stmt) ? gimple_call_arg (stmt, i) : NULL;
setup_one_parameter (id, p, val, fn, bb, &vars);
}
+ /* After remapping parameters remap their types. This has to be done
+ in a second loop over all parameters to appropriately remap
+ variable sized arrays when the size is specified in a
+ parameter following the array. */
+ for (p = parms, i = 0; p; p = DECL_CHAIN (p), i++)
+ {
+ tree *varp = (tree *) pointer_map_contains (id->decl_map, p);
+ if (varp
+ && TREE_CODE (*varp) == VAR_DECL)
+ {
+ tree def = (gimple_in_ssa_p (cfun) && is_gimple_reg (p)
+ ? gimple_default_def (id->src_cfun, p) : NULL);
+ tree var = *varp;
+ TREE_TYPE (var) = remap_type (TREE_TYPE (var), id);
+ /* Also remap the default definition if it was remapped
+ to the default definition of the parameter replacement
+ by the parameter setup. */
+ if (def)
+ {
+ tree *defp = (tree *) pointer_map_contains (id->decl_map, def);
+ if (defp
+ && TREE_CODE (*defp) == SSA_NAME
+ && SSA_NAME_VAR (*defp) == var)
+ TREE_TYPE (*defp) = TREE_TYPE (var);
+ }
+ }
+ }
/* Initialize the static chain. */
p = DECL_STRUCT_FUNCTION (fn)->static_chain_decl;
as seen by the caller. */
static tree
-declare_return_variable (copy_body_data *id, tree return_slot, tree modify_dest)
+declare_return_variable (copy_body_data *id, tree return_slot, tree modify_dest,
+ basic_block entry_bb)
{
tree callee = id->src_fn;
tree caller = id->dst_fn;
via return slot optimization are not believed to have address
taken by alias analysis. */
gcc_assert (TREE_CODE (return_slot) != SSA_NAME);
- if (gimple_in_ssa_p (cfun))
- {
- HOST_WIDE_INT bitsize;
- HOST_WIDE_INT bitpos;
- tree offset;
- enum machine_mode mode;
- int unsignedp;
- int volatilep;
- tree base;
- base = get_inner_reference (return_slot, &bitsize, &bitpos,
- &offset,
- &mode, &unsignedp, &volatilep,
- false);
- if (TREE_CODE (base) == INDIRECT_REF)
- base = TREE_OPERAND (base, 0);
- if (TREE_CODE (base) == SSA_NAME)
- base = SSA_NAME_VAR (base);
- mark_sym_for_renaming (base);
- }
var = return_slot_addr;
}
else
}
DECL_SEEN_IN_BIND_EXPR_P (var) = 1;
- DECL_STRUCT_FUNCTION (caller)->local_decls
- = tree_cons (NULL_TREE, var,
- DECL_STRUCT_FUNCTION (caller)->local_decls);
+ add_local_decl (DECL_STRUCT_FUNCTION (caller), var);
/* Do not have the rest of GCC warn about this variable as it should
not be visible to the user. */
done:
/* Register the VAR_DECL as the equivalent for the RESULT_DECL; that
way, when the RESULT_DECL is encountered, it will be
- automatically replaced by the VAR_DECL. */
- insert_decl_map (id, result, var);
+ automatically replaced by the VAR_DECL.
+
+ When returning by reference, ensure that RESULT_DECL remaps to
+ gimple_val. */
+ if (DECL_BY_REFERENCE (result)
+ && !is_gimple_val (var))
+ {
+ tree temp = create_tmp_var (TREE_TYPE (result), "retvalptr");
+ if (gimple_in_ssa_p (id->src_cfun))
+ {
+ get_var_ann (temp);
+ add_referenced_var (temp);
+ }
+ insert_decl_map (id, result, temp);
+ /* When RESULT_DECL is in SSA form, we need to use it's default_def
+ SSA_NAME. */
+ if (gimple_in_ssa_p (id->src_cfun) && gimple_default_def (id->src_cfun, result))
+ temp = remap_ssa_name (gimple_default_def (id->src_cfun, result), id);
+ insert_init_stmt (id, entry_bb, gimple_build_assign (temp, var));
+ }
+ else
+ insert_decl_map (id, result, var);
/* Remember this so we can ignore it in remap_decls. */
id->retvar = var;
copy_forbidden (struct function *fun, tree fndecl)
{
const char *reason = fun->cannot_be_copied_reason;
- tree step;
+ tree decl;
+ unsigned ix;
/* Only examine the function once. */
if (fun->cannot_be_copied_set)
goto fail;
}
- for (step = fun->local_decls; step; step = TREE_CHAIN (step))
- {
- tree decl = TREE_VALUE (step);
-
- if (TREE_CODE (decl) == VAR_DECL
- && TREE_STATIC (decl)
- && !DECL_EXTERNAL (decl)
- && DECL_INITIAL (decl)
- && walk_tree_without_duplicates (&DECL_INITIAL (decl),
- has_label_address_in_static_1,
- fndecl))
- {
- reason = G_("function %q+F can never be copied because it saves "
- "address of local label in a static variable");
- goto fail;
- }
- }
+ FOR_EACH_LOCAL_DECL (fun, ix, decl)
+ if (TREE_CODE (decl) == VAR_DECL
+ && TREE_STATIC (decl)
+ && !DECL_EXTERNAL (decl)
+ && DECL_INITIAL (decl)
+ && walk_tree_without_duplicates (&DECL_INITIAL (decl),
+ has_label_address_in_static_1,
+ fndecl))
+ {
+ reason = G_("function %q+F can never be copied because it saves "
+ "address of local label in a static variable");
+ goto fail;
+ }
fail:
fun->cannot_be_copied_reason = reason;
return forbidden_p;
}
+/* Return true if CALLEE cannot be inlined into CALLER. */
+
+static bool
+inline_forbidden_into_p (tree caller, tree callee)
+{
+ /* Don't inline if the functions have different EH personalities. */
+ if (DECL_FUNCTION_PERSONALITY (caller)
+ && DECL_FUNCTION_PERSONALITY (callee)
+ && (DECL_FUNCTION_PERSONALITY (caller)
+ != DECL_FUNCTION_PERSONALITY (callee)))
+ return true;
+
+ /* Don't inline if the callee can throw non-call exceptions but the
+ caller cannot. */
+ if (DECL_STRUCT_FUNCTION (callee)
+ && DECL_STRUCT_FUNCTION (callee)->can_throw_non_call_exceptions
+ && !(DECL_STRUCT_FUNCTION (caller)
+ && DECL_STRUCT_FUNCTION (caller)->can_throw_non_call_exceptions))
+ return true;
+
+ return false;
+}
+
/* Returns nonzero if FN is a function that does not have any
fundamental inline blocking properties. */
inlinable = false;
}
- /* Don't auto-inline anything that might not be bound within
- this unit of translation. */
- else if (!DECL_DECLARED_INLINE_P (fn)
- && DECL_REPLACEABLE_P (fn))
- inlinable = false;
-
else if (!function_attribute_inlinable_p (fn))
{
if (do_warning)
gcc_assert (!VOID_TYPE_P (type));
+ if (TREE_CODE (type) == VECTOR_TYPE)
+ {
+ enum machine_mode inner = TYPE_MODE (TREE_TYPE (type));
+ enum machine_mode simd
+ = targetm.vectorize.preferred_simd_mode (inner);
+ int simd_mode_size = GET_MODE_SIZE (simd);
+ return ((GET_MODE_SIZE (TYPE_MODE (type)) + simd_mode_size - 1)
+ / simd_mode_size);
+ }
+
size = int_size_in_bytes (type);
if (size < 0 || size > MOVE_MAX_PIECES * MOVE_RATIO (!optimize_size))
CASE_CONVERT:
case COMPLEX_EXPR:
case PAREN_EXPR:
+ case VIEW_CONVERT_EXPR:
return 0;
/* Assign cost of 1 to usual operations.
case POINTER_PLUS_EXPR:
case MINUS_EXPR:
case MULT_EXPR:
+ case FMA_EXPR:
case ADDR_SPACE_CONVERT_EXPR:
case FIXED_CONVERT_EXPR:
case WIDEN_SUM_EXPR:
case WIDEN_MULT_EXPR:
case DOT_PROD_EXPR:
+ case WIDEN_MULT_PLUS_EXPR:
+ case WIDEN_MULT_MINUS_EXPR:
case VEC_WIDEN_MULT_HI_EXPR:
case VEC_WIDEN_MULT_LO_EXPR:
tree decl = gimple_call_fndecl (stmt);
tree addr = gimple_call_fn (stmt);
tree funtype = TREE_TYPE (addr);
+ bool stdarg = false;
if (POINTER_TYPE_P (funtype))
funtype = TREE_TYPE (funtype);
- if (decl && DECL_BUILT_IN_CLASS (decl) == BUILT_IN_MD)
- cost = weights->target_builtin_call_cost;
- else
- cost = weights->call_cost;
+ /* Do not special case builtins where we see the body.
+ This just confuse inliner. */
+ if (!decl || cgraph_node (decl)->analyzed)
+ ;
+ /* For buitins that are likely expanded to nothing or
+ inlined do not account operand costs. */
+ else if (is_simple_builtin (decl))
+ return 0;
+ else if (is_inexpensive_builtin (decl))
+ return weights->target_builtin_call_cost;
+ else if (DECL_BUILT_IN_CLASS (decl) == BUILT_IN_NORMAL)
+ {
+ /* We canonicalize x * x to pow (x, 2.0) with -ffast-math, so
+ specialize the cheap expansion we do here.
+ ??? This asks for a more general solution. */
+ switch (DECL_FUNCTION_CODE (decl))
+ {
+ case BUILT_IN_POW:
+ case BUILT_IN_POWF:
+ case BUILT_IN_POWL:
+ if (TREE_CODE (gimple_call_arg (stmt, 1)) == REAL_CST
+ && REAL_VALUES_EQUAL
+ (TREE_REAL_CST (gimple_call_arg (stmt, 1)), dconst2))
+ return estimate_operator_cost (MULT_EXPR, weights,
+ gimple_call_arg (stmt, 0),
+ gimple_call_arg (stmt, 0));
+ break;
- if (decl && DECL_BUILT_IN_CLASS (decl) == BUILT_IN_NORMAL)
- switch (DECL_FUNCTION_CODE (decl))
- {
- case BUILT_IN_CONSTANT_P:
- return 0;
- case BUILT_IN_EXPECT:
- return 0;
-
- /* Prefetch instruction is not expensive. */
- case BUILT_IN_PREFETCH:
- cost = weights->target_builtin_call_cost;
- break;
-
- /* Exception state returns or moves registers around. */
- case BUILT_IN_EH_FILTER:
- case BUILT_IN_EH_POINTER:
- case BUILT_IN_EH_COPY_VALUES:
- return 0;
-
- default:
- break;
- }
+ default:
+ break;
+ }
+ }
+ cost = weights->call_cost;
if (decl)
funtype = TREE_TYPE (decl);
if (!VOID_TYPE_P (TREE_TYPE (funtype)))
cost += estimate_move_cost (TREE_TYPE (funtype));
+
+ if (funtype)
+ stdarg = stdarg_p (funtype);
+
/* Our cost must be kept in sync with
cgraph_estimate_size_after_inlining that does use function
- declaration to figure out the arguments. */
- if (decl && DECL_ARGUMENTS (decl))
+ declaration to figure out the arguments.
+
+ For functions taking variable list of arguments we must
+ look into call statement intself. This is safe because
+ we will get only higher costs and in most cases we will
+ not inline these anyway. */
+ if (decl && DECL_ARGUMENTS (decl) && !stdarg)
{
tree arg;
- for (arg = DECL_ARGUMENTS (decl); arg; arg = TREE_CHAIN (arg))
+ for (arg = DECL_ARGUMENTS (decl); arg; arg = DECL_CHAIN (arg))
if (!VOID_TYPE_P (TREE_TYPE (arg)))
cost += estimate_move_cost (TREE_TYPE (arg));
}
- else if (funtype && prototype_p (funtype))
+ else if (funtype && prototype_p (funtype) && !stdarg)
{
tree t;
for (t = TYPE_ARG_TYPES (funtype); t && t != void_list_node;
break;
}
+ case GIMPLE_RETURN:
+ return weights->return_cost;
+
case GIMPLE_GOTO:
case GIMPLE_LABEL:
case GIMPLE_NOP:
case GIMPLE_PHI:
- case GIMPLE_RETURN:
case GIMPLE_PREDICT:
case GIMPLE_DEBUG:
return 0;
eni_size_weights.div_mod_cost = 1;
eni_size_weights.omp_cost = 40;
eni_size_weights.time_based = false;
+ eni_size_weights.return_cost = 1;
/* Estimating time for call is difficult, since we have no idea what the
called function does. In the current uses of eni_time_weights,
underestimating the cost does less harm than overestimating it, so
we choose a rather small value here. */
eni_time_weights.call_cost = 10;
- eni_time_weights.target_builtin_call_cost = 10;
+ eni_time_weights.target_builtin_call_cost = 1;
eni_time_weights.div_mod_cost = 10;
eni_time_weights.omp_cost = 40;
eni_time_weights.time_based = true;
+ eni_time_weights.return_cost = 2;
}
/* Estimate the number of instructions in a gimple_seq. */
BLOCK_SUPERCONTEXT (new_block) = current_block;
}
-/* Fetch callee declaration from the call graph edge going from NODE and
- associated with STMR call statement. Return NULL_TREE if not found. */
-static tree
-get_indirect_callee_fndecl (struct cgraph_node *node, gimple stmt)
+/* Add local variables from CALLEE to CALLER. */
+
+static inline void
+add_local_variables (struct function *callee, struct function *caller,
+ copy_body_data *id, bool check_var_ann)
{
- struct cgraph_edge *cs;
+ tree var;
+ unsigned ix;
- cs = cgraph_edge (node, stmt);
- if (cs)
- return cs->callee->decl;
+ FOR_EACH_LOCAL_DECL (callee, ix, var)
+ if (TREE_STATIC (var) && !TREE_ASM_WRITTEN (var))
+ {
+ if (!check_var_ann
+ || (var_ann (var) && add_referenced_var (var)))
+ add_local_decl (caller, var);
+ }
+ else if (!can_be_nonlocal (var, id))
+ {
+ tree new_var = remap_decl (var, id);
- return NULL_TREE;
+ /* Remap debug-expressions. */
+ if (TREE_CODE (new_var) == VAR_DECL
+ && DECL_DEBUG_EXPR_IS_FROM (new_var)
+ && new_var != var)
+ {
+ tree tem = DECL_DEBUG_EXPR (var);
+ bool old_regimplify = id->regimplify;
+ id->remapping_type_depth++;
+ walk_tree (&tem, copy_tree_body_r, id, NULL);
+ id->remapping_type_depth--;
+ id->regimplify = old_regimplify;
+ SET_DECL_DEBUG_EXPR (new_var, tem);
+ }
+ add_local_decl (caller, new_var);
+ }
}
/* If STMT is a GIMPLE_CALL, replace it with its inline expansion. */
gimple_stmt_iterator gsi, stmt_gsi;
bool successfully_inlined = FALSE;
bool purge_dead_abnormal_edges;
- tree t_step;
- tree var;
/* Set input_location here so we get the right instantiation context
if we call instantiate_decl from inlinable_function_p. */
If we cannot, then there is no hope of inlining the function. */
fn = gimple_call_fndecl (stmt);
if (!fn)
- {
- fn = get_indirect_callee_fndecl (id->dst_node, stmt);
- if (!fn)
- goto egress;
- }
+ goto egress;
/* Turn forward declarations into real ones. */
fn = cgraph_node (fn)->decl;
cg_edge = cgraph_edge (id->dst_node, stmt);
- /* Don't inline functions with different EH personalities. */
- if (DECL_FUNCTION_PERSONALITY (cg_edge->caller->decl)
- && DECL_FUNCTION_PERSONALITY (cg_edge->callee->decl)
- && (DECL_FUNCTION_PERSONALITY (cg_edge->caller->decl)
- != DECL_FUNCTION_PERSONALITY (cg_edge->callee->decl)))
+ /* First check that inlining isn't simply forbidden in this case. */
+ if (inline_forbidden_into_p (cg_edge->caller->decl, cg_edge->callee->decl))
goto egress;
- /* Don't try to inline functions that are not well-suited to
- inlining. */
+ /* Don't try to inline functions that are not well-suited to inlining. */
if (!cgraph_inline_p (cg_edge, &reason))
{
/* If this call was originally indirect, we do not want to emit any
inlining related warnings or sorry messages because there are no
guarantees regarding those. */
- if (cg_edge->indirect_call)
+ if (cg_edge->indirect_inlining_edge)
goto egress;
if (lookup_attribute ("always_inline", DECL_ATTRIBUTES (fn))
&& cgraph_global_info_ready)
{
sorry ("inlining failed in call to %q+F: %s", fn,
- cgraph_inline_failed_string (reason));
+ _(cgraph_inline_failed_string (reason)));
sorry ("called from here");
}
else if (warn_inline && DECL_DECLARED_INLINE_P (fn)
&& cgraph_global_info_ready)
{
warning (OPT_Winline, "inlining failed in call to %q+F: %s",
- fn, cgraph_inline_failed_string (reason));
+ fn, _(cgraph_inline_failed_string (reason)));
warning (OPT_Winline, "called from here");
}
goto egress;
}
/* Declare the return variable for the function. */
- use_retvar = declare_return_variable (id, return_slot, modify_dest);
+ use_retvar = declare_return_variable (id, return_slot, modify_dest, bb);
/* Add local vars in this inlined callee to caller. */
- t_step = id->src_cfun->local_decls;
- for (; t_step; t_step = TREE_CHAIN (t_step))
- {
- var = TREE_VALUE (t_step);
- if (TREE_STATIC (var) && !TREE_ASM_WRITTEN (var))
- {
- if (var_ann (var) && add_referenced_var (var))
- cfun->local_decls = tree_cons (NULL_TREE, var,
- cfun->local_decls);
- }
- else if (!can_be_nonlocal (var, id))
- cfun->local_decls = tree_cons (NULL_TREE, remap_decl (var, id),
- cfun->local_decls);
- }
+ add_local_variables (id->src_cfun, cfun, id, true);
if (dump_file && (dump_flags & TDF_DETAILS))
{
duplicate our body before altering anything. */
copy_body (id, bb->count,
cg_edge->frequency * REG_BR_PROB_BASE / CGRAPH_FREQ_BASE,
- bb, return_block);
+ bb, return_block, NULL, NULL);
- /* Reset the escaped and callused solutions. */
+ /* Reset the escaped solution. */
if (cfun->gimple_df)
- {
- pt_solution_reset (&cfun->gimple_df->escaped);
- pt_solution_reset (&cfun->gimple_df->callused);
- }
+ pt_solution_reset (&cfun->gimple_df->escaped);
/* Clean up. */
if (id->debug_map)
}
if (purge_dead_abnormal_edges)
- gimple_purge_dead_abnormal_call_edges (return_block);
+ {
+ gimple_purge_dead_eh_edges (return_block);
+ gimple_purge_dead_abnormal_call_edges (return_block);
+ }
/* If the value of the new expression is ignored, that's OK. We
don't warn about this for CALL_EXPRs, so we shouldn't warn about
/* Expand call statements reachable from STMT_P.
We can only have CALL_EXPRs as the "toplevel" tree code or nested
- in a MODIFY_EXPR. See tree-gimple.c:get_call_expr_in(). We can
+ in a MODIFY_EXPR. See gimple.c:get_call_expr_in(). We can
unfortunately not use that function here because we need a pointer
to the CALL_EXPR, not the tree itself. */
basic_block bb;
int last = n_basic_blocks;
struct gimplify_ctx gctx;
+ bool inlined_p = false;
/* There is no point in performing inlining if errors have already
occurred -- and we might crash if we try to inline invalid
code. */
- if (errorcount || sorrycount)
+ if (seen_error ())
return 0;
/* Clear out ID. */
follow it; we'll trudge through them, processing their CALL_EXPRs
along the way. */
FOR_EACH_BB (bb)
- gimple_expand_calls_inline (bb, &id);
+ inlined_p |= gimple_expand_calls_inline (bb, &id);
pop_gimplify_context (NULL);
}
#endif
- /* Fold the statements before compacting/renumbering the basic blocks. */
+ /* Fold queued statements. */
fold_marked_statements (last, id.statements_to_fold);
pointer_set_destroy (id.statements_to_fold);
gcc_assert (!id.debug_stmts);
- /* Renumber the (code) basic_blocks consecutively. */
- compact_blocks ();
+ /* If we didn't inline into the function there is nothing to do. */
+ if (!inlined_p)
+ return 0;
+
/* Renumber the lexical scoping (non-code) blocks consecutively. */
number_blocks (fn);
- fold_cond_expr_cond ();
delete_unreachable_blocks_update_callgraph (&id);
#ifdef ENABLE_CHECKING
verify_cgraph_node (id.dst_node);
return (TODO_update_ssa
| TODO_cleanup_cfg
| (gimple_in_ssa_p (cfun) ? TODO_remove_unused_locals : 0)
+ | (gimple_in_ssa_p (cfun) ? TODO_update_address_taken : 0)
| (profile_status != PROFILE_ABSENT ? TODO_rebuild_frequencies : 0));
}
return NULL;
}
-bool
+DEBUG_FUNCTION bool
debug_find_tree (tree top, tree search)
{
return walk_tree_without_duplicates (&top, debug_find_tree_1, search) != 0;
declare_inline_vars (tree block, tree vars)
{
tree t;
- for (t = vars; t; t = TREE_CHAIN (t))
+ for (t = vars; t; t = DECL_CHAIN (t))
{
DECL_SEEN_IN_BIND_EXPR_P (t) = 1;
gcc_assert (!TREE_STATIC (t) && !TREE_ASM_WRITTEN (t));
- cfun->local_decls = tree_cons (NULL_TREE, t, cfun->local_decls);
+ add_local_decl (cfun, t);
}
if (block)
/* The new variable/label has no RTL, yet. */
if (CODE_CONTAINS_STRUCT (TREE_CODE (copy), TS_DECL_WRTL)
&& !TREE_STATIC (copy) && !DECL_EXTERNAL (copy))
- SET_DECL_RTL (copy, NULL_RTX);
+ SET_DECL_RTL (copy, 0);
/* These args would always appear unused, if not for this. */
TREE_USED (copy) = 1;
copy = build_decl (DECL_SOURCE_LOCATION (id->dst_fn),
VAR_DECL, DECL_NAME (decl), type);
+ if (DECL_PT_UID_SET_P (decl))
+ SET_DECL_PT_UID (copy, DECL_PT_UID (decl));
TREE_ADDRESSABLE (copy) = TREE_ADDRESSABLE (decl);
TREE_READONLY (copy) = TREE_READONLY (decl);
TREE_THIS_VOLATILE (copy) = TREE_THIS_VOLATILE (decl);
copy = build_decl (DECL_SOURCE_LOCATION (id->dst_fn),
VAR_DECL, DECL_NAME (decl), type);
+ if (DECL_PT_UID_SET_P (decl))
+ SET_DECL_PT_UID (copy, DECL_PT_UID (decl));
TREE_READONLY (copy) = TREE_READONLY (decl);
TREE_THIS_VOLATILE (copy) = TREE_THIS_VOLATILE (decl);
if (!DECL_BY_REFERENCE (decl))
parg = &new_parm;
- for (arg = orig_parm; arg; arg = TREE_CHAIN (arg), i++)
+ for (arg = orig_parm; arg; arg = DECL_CHAIN (arg), i++)
if (!args_to_skip || !bitmap_bit_p (args_to_skip, i))
{
tree new_tree = remap_decl (arg, id);
lang_hooks.dup_lang_specific_decl (new_tree);
*parg = new_tree;
- parg = &TREE_CHAIN (new_tree);
+ parg = &DECL_CHAIN (new_tree);
}
else if (!pointer_map_contains (id->decl_map, arg))
{
add_referenced_var (var);
insert_decl_map (id, arg, var);
/* Declare this new variable. */
- TREE_CHAIN (var) = *vars;
+ DECL_CHAIN (var) = *vars;
*vars = var;
}
return new_parm;
tree *chain_copy, *pvar;
chain_copy = &static_chain;
- for (pvar = chain_copy; *pvar; pvar = &TREE_CHAIN (*pvar))
+ for (pvar = chain_copy; *pvar; pvar = &DECL_CHAIN (*pvar))
{
tree new_tree = remap_decl (*pvar, id);
lang_hooks.dup_lang_specific_decl (new_tree);
- TREE_CHAIN (new_tree) = TREE_CHAIN (*pvar);
+ DECL_CHAIN (new_tree) = DECL_CHAIN (*pvar);
*pvar = new_tree;
}
return static_chain;
tree with another tree while duplicating the function's
body, TREE_MAP represents the mapping between these
trees. If UPDATE_CLONES is set, the call_stmt fields
- of edges of clones of the function will be updated. */
+ of edges of clones of the function will be updated.
+
+ If non-NULL ARGS_TO_SKIP determine function parameters to remove
+ from new version.
+ If non-NULL BLOCK_TO_COPY determine what basic blocks to copy.
+ If non_NULL NEW_ENTRY determine new entry BB of the clone.
+*/
void
tree_function_versioning (tree old_decl, tree new_decl,
VEC(ipa_replace_map_p,gc)* tree_map,
- bool update_clones, bitmap args_to_skip)
+ bool update_clones, bitmap args_to_skip,
+ bitmap blocks_to_copy, basic_block new_entry)
{
struct cgraph_node *old_version_node;
struct cgraph_node *new_version_node;
basic_block old_entry_block, bb;
VEC (gimple, heap) *init_stmts = VEC_alloc (gimple, heap, 10);
- tree t_step;
tree old_current_function_decl = current_function_decl;
tree vars = NULL_TREE;
(DECL_STRUCT_FUNCTION (old_decl));
initialize_cfun (new_decl, old_decl,
old_entry_block->count);
+ DECL_STRUCT_FUNCTION (new_decl)->gimple_df->ipa_pta
+ = id.src_cfun->gimple_df->ipa_pta;
push_cfun (DECL_STRUCT_FUNCTION (new_decl));
/* Copy the function's static chain. */
if (replace_info->replace_p)
{
tree op = replace_info->new_tree;
+ if (!replace_info->old_tree)
+ {
+ int i = replace_info->parm_num;
+ tree parm;
+ for (parm = DECL_ARGUMENTS (old_decl); i; parm = DECL_CHAIN (parm))
+ i --;
+ replace_info->old_tree = parm;
+ }
+
STRIP_NOPS (op);
DECL_INITIAL (new_decl) = remap_blocks (DECL_INITIAL (id.src_fn), &id);
- /* Renumber the lexical scoping (non-code) blocks consecutively. */
- number_blocks (id.dst_fn);
-
declare_inline_vars (DECL_INITIAL (new_decl), vars);
- if (DECL_STRUCT_FUNCTION (old_decl)->local_decls != NULL_TREE)
+ if (!VEC_empty (tree, DECL_STRUCT_FUNCTION (old_decl)->local_decls))
/* Add local vars. */
- for (t_step = DECL_STRUCT_FUNCTION (old_decl)->local_decls;
- t_step; t_step = TREE_CHAIN (t_step))
- {
- tree var = TREE_VALUE (t_step);
- if (TREE_STATIC (var) && !TREE_ASM_WRITTEN (var))
- cfun->local_decls = tree_cons (NULL_TREE, var, cfun->local_decls);
- else if (!can_be_nonlocal (var, &id))
- cfun->local_decls =
- tree_cons (NULL_TREE, remap_decl (var, &id),
- cfun->local_decls);
- }
+ add_local_variables (DECL_STRUCT_FUNCTION (old_decl), cfun, &id, false);
/* Copy the Function's body. */
copy_body (&id, old_entry_block->count, REG_BR_PROB_BASE,
- ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR);
+ ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR, blocks_to_copy, new_entry);
if (DECL_RESULT (old_decl) != NULL_TREE)
{
pointer_set_destroy (id.statements_to_fold);
fold_cond_expr_cond ();
delete_unreachable_blocks_update_callgraph (&id);
+ if (id.dst_node->analyzed)
+ cgraph_rebuild_references ();
update_ssa (TODO_update_ssa);
+
+ /* After partial cloning we need to rescale frequencies, so they are
+ within proper range in the cloned function. */
+ if (new_entry)
+ {
+ struct cgraph_edge *e;
+ rebuild_frequencies ();
+
+ new_version_node->count = ENTRY_BLOCK_PTR->count;
+ for (e = new_version_node->callees; e; e = e->next_callee)
+ {
+ basic_block bb = gimple_bb (e->call_stmt);
+ e->frequency = compute_call_stmt_bb_frequency (current_function_decl,
+ bb);
+ e->count = bb->count;
+ }
+ for (e = new_version_node->indirect_calls; e; e = e->next_callee)
+ {
+ basic_block bb = gimple_bb (e->call_stmt);
+ e->frequency = compute_call_stmt_bb_frequency (current_function_decl,
+ bb);
+ e->count = bb->count;
+ }
+ }
+
free_dominance_info (CDI_DOMINATORS);
free_dominance_info (CDI_POST_DOMINATORS);
/* Remap the parameters. */
for (param = DECL_ARGUMENTS (fn), arg = first_call_expr_arg (exp, &iter);
param;
- param = TREE_CHAIN (param), arg = next_call_expr_arg (&iter))
+ param = DECL_CHAIN (param), arg = next_call_expr_arg (&iter))
*pointer_map_insert (decl_map, param) = arg;
memset (&id, 0, sizeof (id));
return false;
}
#endif
- tree caller, callee;
+ tree caller, callee, lhs;
caller = e->caller->decl;
callee = e->callee->decl;
- /* We cannot inline a function that uses a different EH personality
- than the caller. */
- if (DECL_FUNCTION_PERSONALITY (caller)
- && DECL_FUNCTION_PERSONALITY (callee)
- && (DECL_FUNCTION_PERSONALITY (caller)
- != DECL_FUNCTION_PERSONALITY (callee)))
+ /* First check that inlining isn't simply forbidden in this case. */
+ if (inline_forbidden_into_p (caller, callee))
{
e->inline_failed = CIF_UNSPECIFIED;
gimple_call_set_cannot_inline (e->call_stmt, true);
return false;
}
+ /* Do not inline calls where we cannot triviall work around mismatches
+ in argument or return types. */
if (e->call_stmt
- && !gimple_check_call_args (e->call_stmt))
+ && ((DECL_RESULT (callee)
+ && !DECL_BY_REFERENCE (DECL_RESULT (callee))
+ && (lhs = gimple_call_lhs (e->call_stmt)) != NULL_TREE
+ && !useless_type_conversion_p (TREE_TYPE (DECL_RESULT (callee)),
+ TREE_TYPE (lhs))
+ && !fold_convertible_p (TREE_TYPE (DECL_RESULT (callee)), lhs))
+ || !gimple_check_call_args (e->call_stmt)))
{
e->inline_failed = CIF_MISMATCHED_ARGUMENTS;
gimple_call_set_cannot_inline (e->call_stmt, true);
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