This fixes a missing check for a NULL vectype in the new popcount
pattern.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
2021-06-22 Richard Biener <rguent...@suse.de>
PR tree-optimization/101159
* tree-vect-patterns.c (vect_recog_popcount_pattern): Add
missing NULL vectype check.
---
gcc/tree-vect-patterns.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/gcc/tree-vect-patterns.c b/gcc/tree-vect-patterns.c
index 59727056dc7..d0a5c71dbe4 100644
--- a/gcc/tree-vect-patterns.c
+++ b/gcc/tree-vect-patterns.c
@@ -1385,9 +1385,9 @@ vect_recog_popcount_pattern (vec_info *vinfo,
vect_pattern_detected ("vec_regcog_popcount_pattern", popcount_stmt);
vec_type = get_vectype_for_scalar_type (vinfo, lhs_type);
/* Do it only the backend existed popcount<vector_mode>2. */
- if (!direct_internal_fn_supported_p (IFN_POPCOUNT,
- vec_type,
- OPTIMIZE_FOR_SPEED))
+ if (!vec_type
+ || !direct_internal_fn_supported_p (IFN_POPCOUNT, vec_type,
+ OPTIMIZE_FOR_SPEED))
return NULL;
/* Create B = .POPCOUNT (A). */
--
2.26.2
