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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-15.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-15.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-15.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-15.c new file mode 100644 index 00000000000..e56a7dd91b6 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-15.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */ + + +int main (void) +{ + int a; + int b; + int c; + + /* Exercises the MINUS_EXPR. loop_1 runs 50 times. */ + for (a = 100; a > 50; a--) + { + + } +} + +/* The analyzer has to detect the following evolution function: + a -> {100, +, -1}_1 +*/ + +/* { dg-final { scan-tree-dump-times "nb_iterations 50" 1 "scev"} } */ + |