diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-04.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-04.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-04.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-04.c new file mode 100644 index 00000000000..99986cfdbc6 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-04.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fscalar-evolutions -ftree-elim-checks -fdump-tree-scev-details -fdump-tree-elck-details -fdump-tree-optimized" } */ + +void remove_me (void); + +int main(void) +{ + int a; + int b = 22; + + /* loop_1 runs exactly 28 times. */ + for (a = 22; a < 50; a++) /* a -> {22, +, 1}_1 */ + { + if (a > b) /* This condition is always false. */ + remove_me (); + b = b + 2; /* b -> {22, +, 2}_1 */ + } +} + +/* { dg-final { scan-tree-dump-times "nb_iterations 28" 1 "scev"} } */ +/* { dg-final { scan-tree-dump-times "remove_me" 0 "optimized"} } */ |