https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88283
Bug ID: 88283
Summary: ICE in try_improve_iv_set, at
tree-ssa-loop-ivopts.c:6677
Product: gcc
Version: 9.0
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
CC: amker at gcc dot gnu.org, rguenth at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: aarch64-linux-gnu
Probably something graphite-related:
$ gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/graphite/interchange-8.c
-fgraphite-identity -fnon-call-exceptions -fexceptions -Ofast -mabi=ilp32
during GIMPLE pass: ivopts
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/graphite/interchange-8.c: In
function ‘foo’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/graphite/interchange-8.c:10:1:
internal compiler error: in try_improve_iv_set, at tree-ssa-loop-ivopts.c:6677
10 | foo (void)
| ^~~
0x5c26ec try_improve_iv_set
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-ssa-loop-ivopts.c:6677
0x5c26ec find_optimal_iv_set_1
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-ssa-loop-ivopts.c:6707
0xba3ee1 find_optimal_iv_set
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-ssa-loop-ivopts.c:6729
0xba3ee1 tree_ssa_iv_optimize_loop
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-ssa-loop-ivopts.c:7586
0xba3ee1 tree_ssa_iv_optimize()
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-ssa-loop-ivopts.c:7628
0xbbfad0 execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-ssa-loop.c:513
