diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-36.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-36.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-36.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-36.c new file mode 100644 index 00000000000..40a71819b6e --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-36.c @@ -0,0 +1,28 @@ +/* APPLE LOCAL file lno */ +/* { dg-do compile } */ +/* { dg-options "-O1 -floop-test -fdump-tree-lptest-details " } */ + +int foo (int); + +int main () +{ + int res; + int c[100][200]; + int a; + int x; + + for (a = 1; a < 50; a++) + { + c[a+1][a] = 2; + res += c[a][a]; + + /* This case exercises the subscript coupling detection: the dependence + detectors have to determine that there is no dependence between + c[a+1][a] and c[a][a]. */ + } + + return res + foo (c[12][13]); +} + +/* { dg-final { diff-tree-dumps "ddall" } } */ + |