| /* { dg-do compile } */ |
| /* { dg-require-effective-target vect_int } */ |
| |
| #include <stdarg.h> |
| #include "tree-vect.h" |
| |
| #define N 26 |
| |
| __attribute__ ((noinline)) |
| unsigned int main1 () |
| { |
| unsigned short i; |
| unsigned int intsum = 0; |
| |
| /* vectorization of reduction with induction, and widenning sum: |
| sum shorts into int. |
| Need -fno-tree-scev-cprop or else the loop is eliminated. */ |
| for (i = 0; i < N; i++) |
| { |
| intsum += i; |
| } |
| |
| return intsum; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_sum_hi_to_si } } } */ |
| /* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" { target vect_widen_sum_hi_to_si } } } */ |
| /* { dg-final { cleanup-tree-dump "vect" } } */ |
