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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-02.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-02.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-02.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-02.c new file mode 100644 index 00000000000..2dce3aa1aa6 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-02.c @@ -0,0 +1,29 @@ +/* APPLE LOCAL file lno */ +/* { dg-do compile } */ +/* { dg-options "-O1 -floop-test -fdump-tree-lptest-details" } */ + +int main(void) +{ + int a; + int b; + int *c; + + /* The following loop runs exactly 3 times. */ + for (a = 11; a < 50; a++) + { + /* The following loop runs exactly 9 times. */ + for (b = 8; b < 50; b+=5) + { + c[a + 5] = 5; + c[b] = 6; + a+=2; + } + } +} + +/* The analyzer has to detect the following evolution functions: + b -> {8, +, 5}_2 + a -> {{11, +, 19}_1, +, 2}_2 +*/ +/* { dg-final { scan-tree-dump-times "set_nb_iterations_in_loop = 3" 1 "lptest"} } */ +/* { dg-final { scan-tree-dump-times "set_nb_iterations_in_loop = 9" 1 "lptest"} } */ |