https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108500
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2023-01-24
Component|ipa |tree-optimization
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
assign_dfs_numbers has not changed for years ...
1: *cfun.cfg = {x_entry_block_ptr = 0x7ffff73ef6c0, x_exit_block_ptr =
0x7ffff73ef720, x_basic_block_info = 0x7fffbcdd4000, x_n_basic_blocks =
1399837, x_n_edges = 1399836, x_last_basic_block = 1399837, last_label_uid = 1,
x_label_to_block_map = 0x7ffff7277f18, x_profile_status = PROFILE_ABSENT,
x_dom_computed = {
DOM_NO_FAST_QUERY, DOM_NONE}, x_n_bbs_in_dom_tree = {1399837, 0},
max_jumptable_ents = 0, count_max = {static n_bits = 61, static max_count =
2305843009213693950, static uninitialized_count = 2305843009213693951, m_val =
2305843009213693951, m_quality = GUESSED_LOCAL}, edge_flags_allocated = 262143,
bb_flags_allocated = 32767}
#0 assign_dfs_numbers (node=0x45b8ae0, num=num@entry=0x7fffffffd850) at
/home/apinski/src/upstream-gcc/gcc/gcc/dominance.cc:644
#1 0x0000000000b0ca0c in compute_dom_fast_query (dir=<optimized out>,
dir@entry=<error reading variable: dwarf2_find_location_expression: Corrupted
DWARF expression.>) at /home/apinski/src/upstream-gcc/gcc/gcc/dominance.cc:674
#2 calculate_dominance_info(cdi_direction) () at
/home/apinski/src/upstream-gcc/gcc/gcc/dominance.cc:748
#3 0x0000000000fbb0ea in cleanup_tree_cfg_noloop (ssa_update_flags=<error
reading variable: dwarf2_find_location_expression: Corrupted DWARF
expression.>) at /home/apinski/src/upstream-gcc/gcc/gcc/tree-cfgcleanup.cc:1111
#4 cleanup_tree_cfg(unsigned int) () at
/home/apinski/src/upstream-gcc/gcc/gcc/tree-cfgcleanup.cc:1212
#5 0x0000000000e7b27d in execute_function_todo(function*, void*) () at
/home/apinski/src/upstream-gcc/gcc/gcc/passes.cc:2057
#6 0x0000000000e7b70f in execute_todo(unsigned int) () at
/home/apinski/src/upstream-gcc/gcc/gcc/passes.cc:2145
#7 0x0000000000e7e9f7 in execute_one_pass(opt_pass*) () at
/home/apinski/src/upstream-gcc/gcc/gcc/passes.cc:2690
#8 0x0000000000e7ef00 in execute_pass_list_1(opt_pass*) () at
/home/apinski/src/upstream-gcc/gcc/gcc/passes.cc:2753
#9 0x0000000000e7ef39 in execute_pass_list(function*, opt_pass*) () at
/home/apinski/src/upstream-gcc/gcc/gcc/passes.cc:2764
#10 0x0000000000e7f85d in do_per_function_toporder(void (*)(function*, void*),
void*) [clone .part.0] () at
/home/apinski/src/upstream-gcc/gcc/gcc/passes.cc:1780
#11 0x0000000000e7fa8f in do_per_function_toporder (data=<optimized out>,
callback=0xe7ef20 <execute_pass_list(function*, opt_pass*)>) at
/home/apinski/src/upstream-gcc/gcc/gcc/passes.cc:3098
#12 execute_ipa_pass_list(opt_pass*) () at
/home/apinski/src/upstream-gcc/gcc/gcc/passes.cc:3098
#13 0x0000000000ad8274 in ipa_passes () at
/home/apinski/src/upstream-gcc/gcc/gcc/cgraphunit.cc:2203
#14 symbol_table::compile() [clone .part.0] () at
/home/apinski/src/upstream-gcc/gcc/gcc/cgraphunit.cc:2324
#15 0x0000000000adac18 in symbol_table::compile (this=<error reading variable:
dwarf2_find_location_expression: Corrupted DWARF expression.>) at
/home/apinski/src/upstream-gcc/gcc/gcc/cgraphunit.cc:2576
#16 symbol_table::finalize_compilation_unit (this=0x7ffff7246000) at
/home/apinski/src/upstream-gcc/gcc/gcc/cgraphunit.cc:2576
#17 0x0000000000f69660 in compile_file () at
/home/apinski/src/upstream-gcc/gcc/gcc/toplev.cc:471
#18 0x0000000000907eb2 in do_compile (no_backend=false, no_backend@entry=<error
reading variable: dwarf2_find_location_expression: Corrupted DWARF
expression.>) at /home/apinski/src/upstream-gcc/gcc/gcc/toplev.cc:2125
#19 toplev::main(int, char**) () at
/home/apinski/src/upstream-gcc/gcc/gcc/toplev.cc:2277
#20 0x0000000000909afb in main (argc=20, argv=0x7fffffffdd48) at
/home/apinski/src/upstream-gcc/gcc/gcc/main.cc:39
almost 2 basic blocks per time the function inlined ...
Maybe we can do some bb merging before calculate_dominance_info
