[Bug tree-optimization/103121] [12 Regression] Warnings in cp/optimize.c causing build failure
msebor at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Nov 8 19:04:54 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103121
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |aldyh at gcc dot gnu.org
--- Comment #6 from Martin Sebor <msebor at gcc dot gnu.org> ---
The full IL for the function is below:
union tree_node * cdtor_comdat_group (union tree_node * complete, union
tree_node * base)
{
size_t idx;
bool diff_seen;
const char * q;
const char * p;
char * grp_name;
unsigned int _1;
unsigned int _2;
bool _3;
unsigned int _4;
char _6;
char _8;
bool _10;
bool _11;
char _14;
unsigned char _15;
unsigned char _16;
bool _17;
bool _19;
bool _20;
unsigned int _22;
char * _23;
const char * _26;
union tree_node * _32;
union tree_node * _35;
union tree_node * _42;
bool _50;
bool _55;
bool _56;
<bb 2> [local count: 118111600]:
_32 = decl_assembler_name (complete_30(D));
_35 = decl_assembler_name (base_33(D));
_1 = _32->identifier.id.len;
_2 = _35->identifier.id.len;
if (_1 != _2)
goto <bb 3>; [0.00%]
else
goto <bb 4>; [100.00%]
<bb 3> [count: 0]:
fancy_abort ("../../gcc/gcc/cp/optimize.c", 189, "cdtor_comdat_group");
<bb 4> [local count: 118111600]:
_4 = _1 + 1;
grp_name_37 = __builtin_alloca (_4);
p_38 = _32->identifier.id.str;
q_39 = _35->identifier.id.str;
if (_1 != 0)
goto <bb 16>; [89.00%]
else
goto <bb 12>; [11.00%]
<bb 16> [local count: 105119324]:
<bb 5> [local count: 955630225]:
# diff_seen_54 = PHI <diff_seen_24(17), 0(16)>
# idx_58 = PHI <idx_47(17), 0(16)>
_6 = MEM[(const char *)p_38 + idx_58 * 1];
_8 = MEM[(const char *)q_39 + idx_58 * 1];
if (_6 == _8)
goto <bb 6>; [34.00%]
else
goto <bb 7>; [66.00%]
<bb 6> [local count: 324914280]:
MEM[(char *)grp_name_37 + idx_58 * 1] = _6;
goto <bb 11>; [100.00%]
<bb 7> [local count: 630715945]:
_10 = idx_58 == 0;
_11 = _10 | diff_seen_54;
if (_11 != 0)
goto <bb 9>; [0.00%]
else
goto <bb 8>; [100.00%]
<bb 8> [local count: 630715945]:
_26 = p_38 + 4294967295;
_14 = MEM[(const char *)_26 + idx_58 * 1];
_15 = (unsigned char) _14;
_16 = _15 + 189;
_17 = _16 > 1;
_19 = _14 != 73;
_20 = _17 & _19;
_3 = _6 != 49;
_56 = _8 != 50;
_50 = _56 | _3;
_55 = _50 | _20;
if (_55 != 0)
goto <bb 9>; [0.00%]
else
goto <bb 10>; [100.00%]
<bb 9> [count: 0]:
fancy_abort ("../../gcc/gcc/cp/optimize.c", 199, "cdtor_comdat_group");
<bb 10> [local count: 630715945]:
MEM[(char *)grp_name_37 + idx_58 * 1] = 53;
<bb 11> [local count: 955630225]:
# diff_seen_24 = PHI <diff_seen_54(6), 1(10)>
idx_47 = idx_58 + 1;
_22 = _32->identifier.id.len;
if (_22 > idx_47)
goto <bb 17>; [89.00%]
else
goto <bb 13>; [11.00%]
<bb 17> [local count: 850510901]:
goto <bb 5>; [100.00%]
<bb 12> [local count: 12992276]:
*grp_name_37 = 0;
goto <bb 14>; [100.00%]
<bb 13> [local count: 105119324]:
_23 = grp_name_37 + idx_47;
*_23 = 0;
if (diff_seen_24 != 0)
goto <bb 15>; [100.00%]
else
goto <bb 14>; [0.00%]
<bb 14> [count: 0]:
fancy_abort ("../../gcc/gcc/cp/optimize.c", 209, "cdtor_comdat_group");
<bb 15> [local count: 118111600]:
_42 = get_identifier (grp_name_37);
return _42;
}
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