diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-prof/val-prof-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-prof/val-prof-2.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-prof/val-prof-2.c b/gcc/testsuite/gcc.dg/tree-prof/val-prof-2.c new file mode 100644 index 00000000000..c11f7ea20e4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-prof/val-prof-2.c @@ -0,0 +1,30 @@ +/* { dg-options "-O2 -fdump-tree-optimized -fdump-tree-tree_profile" } */ +unsigned int a[1000]; +unsigned int b = 256; +unsigned int c = 1024; +unsigned int d = 17; +main () +{ + int i; + unsigned int n; + for (i = 0; i < 1000; i++) + { + a[i]=100*i; + } + for (i = 0; i < 1000; i++) + { + if (i % 2) + n = b; + else if (i % 3) + n = c; + else + n = d; + a[i] %= n; + } + return 0; +} +/* { dg-final-use { scan-tree-dump "Mod power of 2 transformation on insn" "tree_profile"} } */ +/* This is part of code checking that n is power of 2, so we are sure that the transformation + didn't get optimized out. */ +/* { dg-final-use { scan-tree-dump "n \\+ \\-1" "optimized"} } */ +/* { dg-final-use { scan-tree-dump-not "Invalid sum" "optimized"} } */ |