diff options
Diffstat (limited to 'gcc/testsuite/gcc.misc-tests/gcov-8.c')
-rw-r--r-- | gcc/testsuite/gcc.misc-tests/gcov-8.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.misc-tests/gcov-8.c b/gcc/testsuite/gcc.misc-tests/gcov-8.c new file mode 100644 index 0000000..58eec64 --- /dev/null +++ b/gcc/testsuite/gcc.misc-tests/gcov-8.c @@ -0,0 +1,47 @@ +/* Check that gcov correctly rounds nearly zero to non-zero and nearly + 100 to not-100. + + Copyright (C) 2002 Free Software Foundation, Inc. + Contributed by Nathan Sidwell <nathan@codesourcery.com> +*/ + +/* { dg-options "-fprofile-arcs -ftest-coverage" } */ +/* { dg-do run { target native } } */ + +int proxy (int i) +{ + return i; +} + +int foo (int i) +{ + if (i > 0) /* branch(1) */ + return proxy (1); + else if (i < 0) /* branch(100) */ + return proxy (-1); + else + return proxy (0); +} + +int baz (int i) +{ + if (i == 0) /* branch(99) */ + return proxy (0); + else if (i > 0) /* branch(0)*/ + return proxy (1); + else + return proxy (-1); +} + +int main () +{ + int t = 0; + int ix; + + for (ix = 0; ix != 1000; ix++) + t += foo (ix) + baz (ix); + + return t == 0; +} + +/* { dg-final { run-gcov -b gcov-8.c } } */ |