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Diffstat (limited to 'gcc/testsuite/gcc.dg/predict-6.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/predict-6.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/predict-6.c b/gcc/testsuite/gcc.dg/predict-6.c new file mode 100644 index 0000000..552fd07 --- /dev/null +++ b/gcc/testsuite/gcc.dg/predict-6.c @@ -0,0 +1,50 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-profile_estimate" } */ + +extern int global; + +int bar (int); + +void foo (int base, int bound) +{ + int i, ret = 0; + for (i = base; i <= bound; i++) + { + if (i < base) + global += bar (i); + if (i < base + 1) + global += bar (i); + if (i <= base + 3) + global += bar (i); + if (i - 1 < base) + global += bar (i); + } +} + +/* { dg-final { scan-tree-dump-times "loop iv compare heuristics: 0.0%" 4 "profile_estimate"} } */ +/* { dg-final { cleanup-tree-dump "profile_estimate" } } */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-profile_estimate" } */ + +extern int global; + +int bar (int); + +void foo (int base, int bound) +{ + int i, ret = 0; + for (i = base; i <= bound; i++) + { + if (i < base) + global += bar (i); + if (i < base + 1) + global += bar (i); + if (i <= base + 3) + global += bar (i); + if (i - 1 < base) + global += bar (i); + } +} + +/* { dg-final { scan-tree-dump-times "loop iv compare heuristics: 0.0%" 4 "profile_estimate"} } */ +/* { dg-final { cleanup-tree-dump "profile_estimate" } } */ |