tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
* tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL. * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P. (dbxout_begin_function): Likewise. * final.c (dwarf2_debug_info_emitted_p): New predicate. (final_start_function): Do not emit debug info if DECL_IGNORED_P is set on the function. (final_end_function): Likewise. (final_scan_insn): Likewise. (rest_of_handle_final): Likewise. * varasm.c (assemble_start_function): Likewise. * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise. From-SVN: r151670
This commit is contained in:
Eric Botcazou
parent
75152bcb19
commit
725730f272
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@ -1,4 +1,18 @@
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2009-09-10 Jason Merrill <jason@redhat.com>
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2009-09-13 Eric Botcazou <ebotcazou@adacore.com>
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* tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
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* dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
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(dbxout_begin_function): Likewise.
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* final.c (dwarf2_debug_info_emitted_p): New predicate.
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(final_start_function): Do not emit debug info if DECL_IGNORED_P is
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set on the function.
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(final_end_function): Likewise.
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(final_scan_insn): Likewise.
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(rest_of_handle_final): Likewise.
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* varasm.c (assemble_start_function): Likewise.
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* config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
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2009-09-12 Jason Merrill <jason@redhat.com>
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* dbgcnt.c (dbg_cnt_process_single_pair): constify.
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* opts.c (common_handle_option): constify.
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@ -190,7 +190,7 @@
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putc ('.', FILE); \
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RS6000_OUTPUT_BASENAME (FILE, buffer); \
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fputs (":\n", FILE); \
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if (write_symbols != NO_DEBUG) \
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if (write_symbols != NO_DEBUG && !DECL_IGNORED_P (DECL)) \
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xcoffout_declare_function (FILE, DECL, buffer); \
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}
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@ -902,7 +902,7 @@ dbxout_finish_complex_stabs (tree sym, stab_code_type code,
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#if defined (DBX_DEBUGGING_INFO)
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static void
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dbxout_function_end (tree decl)
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dbxout_function_end (tree decl ATTRIBUTE_UNUSED)
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{
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char lscope_label_name[100];
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@ -921,8 +921,7 @@ dbxout_function_end (tree decl)
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named sections. */
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if (!use_gnu_debug_info_extensions
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|| NO_DBX_FUNCTION_END
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|| !targetm.have_named_sections
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|| DECL_IGNORED_P (decl))
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|| !targetm.have_named_sections)
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return;
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/* By convention, GCC will mark the end of a function with an N_FUN
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@ -3683,9 +3682,6 @@ dbxout_begin_function (tree decl)
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{
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int saved_tree_used1;
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if (DECL_IGNORED_P (decl))
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return;
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saved_tree_used1 = TREE_USED (decl);
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TREE_USED (decl) = 1;
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if (DECL_NAME (DECL_RESULT (decl)) != 0)
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60
gcc/final.c
60
gcc/final.c
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@ -1484,6 +1484,20 @@ remap_debug_filename (const char *filename)
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return ggc_strdup (s);
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}
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/* Return true if DWARF2 debug info can be emitted for DECL. */
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static bool
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dwarf2_debug_info_emitted_p (tree decl)
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{
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if (write_symbols != DWARF2_DEBUG && write_symbols != VMS_AND_DWARF2_DEBUG)
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return false;
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if (DECL_IGNORED_P (decl))
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return false;
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return true;
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}
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/* Output assembler code for the start of a function,
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and initialize some of the variables in this file
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for the new function. The label for the function and associated
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@ -1508,10 +1522,11 @@ final_start_function (rtx first ATTRIBUTE_UNUSED, FILE *file,
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high_block_linenum = high_function_linenum = last_linenum;
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(*debug_hooks->begin_prologue) (last_linenum, last_filename);
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if (!DECL_IGNORED_P (current_function_decl))
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debug_hooks->begin_prologue (last_linenum, last_filename);
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#if defined (DWARF2_UNWIND_INFO) || defined (TARGET_UNWIND_INFO)
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if (write_symbols != DWARF2_DEBUG && write_symbols != VMS_AND_DWARF2_DEBUG)
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if (!dwarf2_debug_info_emitted_p (current_function_decl))
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dwarf2out_begin_prologue (0, NULL);
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#endif
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@ -1648,17 +1663,19 @@ final_end_function (void)
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{
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app_disable ();
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(*debug_hooks->end_function) (high_function_linenum);
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if (!DECL_IGNORED_P (current_function_decl))
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debug_hooks->end_function (high_function_linenum);
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/* Finally, output the function epilogue:
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code to restore the stack frame and return to the caller. */
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targetm.asm_out.function_epilogue (asm_out_file, get_frame_size ());
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/* And debug output. */
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(*debug_hooks->end_epilogue) (last_linenum, last_filename);
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if (!DECL_IGNORED_P (current_function_decl))
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debug_hooks->end_epilogue (last_linenum, last_filename);
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#if defined (DWARF2_UNWIND_INFO)
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if (write_symbols != DWARF2_DEBUG && write_symbols != VMS_AND_DWARF2_DEBUG
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if (!dwarf2_debug_info_emitted_p (current_function_decl)
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&& dwarf2out_do_frame ())
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dwarf2out_end_epilogue (last_linenum, last_filename);
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#endif
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@ -1839,7 +1856,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
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dwarf2out_switch_text_section ();
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else
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#endif
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(*debug_hooks->switch_text_section) ();
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if (!DECL_IGNORED_P (current_function_decl))
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debug_hooks->switch_text_section ();
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switch_to_section (current_function_section ());
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break;
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@ -1905,7 +1923,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
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case NOTE_INSN_FUNCTION_BEG:
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app_disable ();
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(*debug_hooks->end_prologue) (last_linenum, last_filename);
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if (!DECL_IGNORED_P (current_function_decl))
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debug_hooks->end_prologue (last_linenum, last_filename);
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if ((*seen & (SEEN_EMITTED | SEEN_NOTE)) == SEEN_NOTE)
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{
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@ -1931,7 +1950,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
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high_block_linenum = last_linenum;
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/* Output debugging info about the symbol-block beginning. */
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(*debug_hooks->begin_block) (last_linenum, n);
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if (!DECL_IGNORED_P (current_function_decl))
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debug_hooks->begin_block (last_linenum, n);
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/* Mark this block as output. */
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TREE_ASM_WRITTEN (NOTE_BLOCK (insn)) = 1;
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@ -1965,7 +1985,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
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--block_depth;
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gcc_assert (block_depth >= 0);
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(*debug_hooks->end_block) (high_block_linenum, n);
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if (!DECL_IGNORED_P (current_function_decl))
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debug_hooks->end_block (high_block_linenum, n);
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}
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if (write_symbols == DBX_DEBUG
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|| write_symbols == SDB_DEBUG)
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@ -1995,7 +2016,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
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break;
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case NOTE_INSN_VAR_LOCATION:
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(*debug_hooks->var_location) (insn);
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if (!DECL_IGNORED_P (current_function_decl))
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debug_hooks->var_location (insn);
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break;
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default:
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@ -2038,8 +2060,8 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
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CC_STATUS_INIT;
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#endif
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if (LABEL_NAME (insn))
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(*debug_hooks->label) (insn);
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if (!DECL_IGNORED_P (current_function_decl) && LABEL_NAME (insn))
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debug_hooks->label (insn);
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app_disable ();
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@ -2193,13 +2215,10 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED,
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}
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/* Output this line note if it is the first or the last line
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note in a row. */
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if (notice_source_line (insn, &is_stmt))
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{
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(*debug_hooks->source_line) (last_linenum,
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last_filename,
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last_discriminator,
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is_stmt);
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}
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if (!DECL_IGNORED_P (current_function_decl)
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&& notice_source_line (insn, &is_stmt))
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(*debug_hooks->source_line) (last_linenum, last_filename,
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last_discriminator, is_stmt);
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if (GET_CODE (body) == ASM_INPUT)
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{
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@ -4261,7 +4280,8 @@ rest_of_handle_final (void)
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*will* be routed past here. */
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timevar_push (TV_SYMOUT);
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(*debug_hooks->function_decl) (current_function_decl);
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if (!DECL_IGNORED_P (current_function_decl))
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debug_hooks->function_decl (current_function_decl);
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timevar_pop (TV_SYMOUT);
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/* Release the blocks that are linked to DECL_INITIAL() to free the memory. */
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@ -2539,7 +2539,8 @@ struct GTY(()) tree_decl_minimal {
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(DECL_COMMON_CHECK (NODE)->decl_common.debug_expr_is_from)
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/* Nonzero for a given ..._DECL node means that the name of this node should
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be ignored for symbolic debug purposes. */
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be ignored for symbolic debug purposes. Moreover, for a FUNCTION_DECL,
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the body of the function should also be ignored. */
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#define DECL_IGNORED_P(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.ignored_flag)
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/* Nonzero for a given ..._DECL node means that this node represents an
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@ -1749,7 +1749,8 @@ assemble_start_function (tree decl, const char *fnname)
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ASM_OUTPUT_FUNCTION_PREFIX (asm_out_file, fnname);
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#endif
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(*debug_hooks->begin_function) (decl);
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if (!DECL_IGNORED_P (decl))
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(*debug_hooks->begin_function) (decl);
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/* Make function name accessible from other files, if appropriate. */
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