My previous change to vect_gen_while introduced paths which call
make_temp_ssa_name with a NULL name which isn't supported. The
following fixes that.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
2021-07-16 Richard Biener <rguent...@suse.de>
PR tree-optimization/101467
* tree-vect-stmts.c (vect_gen_while): Properly guard
make_temp_ssa_name usage.
---
gcc/tree-vect-stmts.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index ec82acb8db9..0ef46962618 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -11999,7 +11999,11 @@ vect_gen_while (gimple_seq *seq, tree mask_type, tree
start_index,
gcall *call = gimple_build_call_internal (IFN_WHILE_ULT, 3,
start_index, end_index,
build_zero_cst (mask_type));
- tree tmp = make_temp_ssa_name (mask_type, NULL, name);
+ tree tmp;
+ if (name)
+ tmp = make_temp_ssa_name (mask_type, NULL, name);
+ else
+ tmp = make_ssa_name (mask_type);
gimple_call_set_lhs (call, tmp);
gimple_seq_add_stmt (seq, call);
return tmp;
--
2.26.2
