https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80213
Bug ID: 80213
Summary: [7 Regression] ICE in check_loop_closed_ssa_use, at
tree-ssa-loop-manip.c:704
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
Starting from unrelated commit r237185, we ICE on:
$ gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/graphite/interchange-3.c
-Ofast --param hot-bb-frequency-fraction=55003173 -floop-parallelize-all
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/graphite/interchange-3.c: In
function ‘foo.constprop’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/graphite/interchange-3.c:13:1:
internal compiler error: in check_loop_closed_ssa_use, at
tree-ssa-loop-manip.c:704
foo (int N, int *res)
^~~
0xd6925f check_loop_closed_ssa_use
.././../gcc/tree-ssa-loop-manip.c:703
0xd6c17a verify_loop_closed_ssa(bool)
.././../gcc/tree-ssa-loop-manip.c:748
0x1309623 checking_verify_loop_closed_ssa
.././../gcc/tree-ssa-loop-manip.h:37
0x1309623 graphite_verify
.././../gcc/graphite-isl-ast-to-gimple.c:82
0x1309623 graphite_regenerate_ast_isl(scop*)
.././../gcc/graphite-isl-ast-to-gimple.c:3044
0x12fff77 graphite_transform_loops()
.././../gcc/graphite.c:330
0x1300530 graphite_transforms
.././../gcc/graphite.c:362
0x1300530 execute
.././../gcc/graphite.c:439
