It seems I forgot to check that the operation we're combing when masking the
predicated together are actually predicates types.
Without it we end up accidentally trying to combine a value and a mask.
gcc/ChangeLog:
PR tree-optimization/103741
* tree-vect-stmts.c (vectorizable_operation): Check for boolean.
gcc/testsuite/ChangeLog:
PR tree-optimization/103741
* gcc.target/aarch64/pr103741.c: New test.
--- /dev/null
+/* { dg-do compile } */
+/* { dg-additional-options "-march=armv8-a+sve -O1" } */
+
+long int m, n;
+
+int
+qux (int z)
+{
+ return 4 >> z ? z : 0;
+}
+
+int
+bar (long int y)
+{
+ return y ? 3 : 2;
+}
+
+__attribute__ ((simd)) int
+foo (int x)
+{
+ long int a = x & m;
+ int b = bar (x) / n;
+
+ return qux (b) == a;
+}
+
/* When combining two masks check if either of them is elsewhere
combined with a loop mask, if that's the case we can mark that the
new combined mask doesn't need to be combined with a loop mask. */
- if (masked_loop_p && code == BIT_AND_EXPR)
+ if (masked_loop_p
+ && code == BIT_AND_EXPR
+ && VECTOR_BOOLEAN_TYPE_P (vectype))
{
if (loop_vinfo->scalar_cond_masked_set.contains ({ op0,
ncopies}))