https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95268
Bug ID: 95268
Summary: ICE: invalid ‘PHI’ argument
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: vsevolod.livinskij at frtk dot ru
Target Milestone: ---
GCC fails with "invalid ‘PHI’ argument"
Error:
>$ g++ -O3 func.cpp -w
func.cpp: In function ‘void test()’:
func.cpp:10:6: error: invalid ‘PHI’ argument
10 | void test() {
| ^~~~
{CLOBBER}
_98 = PHI <{CLOBBER}(5), _17(7)>
during GIMPLE pass: sink
func.cpp:10:6: internal compiler error: verify_gimple failed
0x113ea11 verify_gimple_in_cfg(function*, bool)
gcc_src/gcc/tree-cfg.c:5461
0x101204f execute_function_todo
gcc_src/gcc/passes.c:1985
0x1012e2e execute_todo
gcc_src/gcc/passes.c:2039
Reproducer:
#include <algorithm>
extern short var_0, var_2, var_3, var_9, var_11, var_13, var_14, var_19,
var_22,
var_32, var_37, var_44, var_57, var_59, var_63, var_70;
extern unsigned var_5;
extern char var_6, var_12, var_18, var_38, var_39, var_43, var_55, var_64,
arr_35;
extern long var_7, var_8, var_10, var_15, var_25, var_56;
extern int var_21, var_36, var_51, var_65, var_68, arr_7;
extern bool var_46, var_58, var_67;
void test() {
var_12 = 0 >= 0;
var_13 = arr_7;
var_14 = (unsigned long)var_7 >> -564810131 + 564810189;
var_15 = var_5;
var_18 = -602739307623583391;
var_19 = -~0;
var_21 = var_10 >> var_8 - 17101301574577641170ULL;
var_22 = var_5;
var_25 = var_9;
var_32 = std::max((unsigned)var_2, var_5);
var_36 = 9557;
var_37 = 394545925;
var_38 = 0 >= 0;
var_39 = var_5;
var_43 = 0;
var_44 = arr_35;
var_46 = var_7;
for (short a = 0; a < 9; a = 021)
for (short b = 0; b < 024; b += 4)
var_51 = std::min((long long)(var_2 ?: var_9), (long long)var_9);
var_55 = var_0;
var_56 = 3896150587;
var_57 = var_11;
var_58 = var_59 = var_11;
var_63 = 73;
var_64 = 10393232284806619711ULL;
var_65 = var_3;
var_67 = var_6;
var_68 = var_70 = 0;
}
GCC version:
11.0.0 (149c8c7c27a17a2941d07e2f76b1e1c823e2fa80)
