diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/graphite/pr26435.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/graphite/pr26435.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/pr26435.c b/gcc/testsuite/gcc.dg/graphite/pr26435.c new file mode 100644 index 000000000..4e5e5f74d --- /dev/null +++ b/gcc/testsuite/gcc.dg/graphite/pr26435.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-loop-linear" } */ +/* { dg-require-effective-target size32plus } */ + +int foo(int *p, int n) +{ + int i, j, k = 0; + + /* This is a reduction: there is a scalar dependence that cannot be + removed by rewriting IVs. This code cannot and should not be + transformed into a perfect loop. */ + for (i = 0; i < 2; ++i, p += n) + for (j = 0; j < 2; ++j) + k += p[j]; + + return k; +} |