Committed on behalf of Juzhe since he was having internet issues.
Thanks, Patrick On 12/6/23 14:35, Juzhe-Zhong wrote:
Committed as it is ovbious. gcc/ChangeLog: * config/riscv/riscv-vsetvl.cc (extract_single_source): new function. (pre_vsetvl::compute_lcm_local_properties): Fix ICE. --- gcc/config/riscv/riscv-vsetvl.cc | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/gcc/config/riscv/riscv-vsetvl.cc b/gcc/config/riscv/riscv-vsetvl.cc index 68f0be7e81d..90477f331d7 100644 --- a/gcc/config/riscv/riscv-vsetvl.cc +++ b/gcc/config/riscv/riscv-vsetvl.cc @@ -596,6 +596,14 @@ extract_single_source (set_info *set) return first_insn; }+static insn_info *+extract_single_source (def_info *def) +{ + if (!def) + return nullptr; + return extract_single_source (dyn_cast<set_info *> (def)); +} + static bool same_equiv_note_p (set_info *set1, set_info *set2) { @@ -2692,9 +2700,7 @@ pre_vsetvl::compute_lcm_local_properties () def_lookup dl = crtl->ssa->find_def (resource, insn); def_info *def = dl.matching_set_or_last_def_of_prev_group (); - gcc_assert (def); - insn_info *def_insn = extract_single_source ( - dyn_cast<set_info *> (def)); + insn_info *def_insn = extract_single_source (def); if (def_insn && vsetvl_insn_p (def_insn->rtl ())) { vsetvl_info def_info = vsetvl_info (def_insn);
