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| author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
|---|---|---|
| committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
| commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
| tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/tree-ssa/pr21582.c | |
| download | cbb-gcc-4.6.4-15d2061ac0796199866debe9ac87130894b0cdd3.tar.bz2 cbb-gcc-4.6.4-15d2061ac0796199866debe9ac87130894b0cdd3.tar.xz | |
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verified gcc-4.6.4.tar.bz2.sig;
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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr21582.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr21582.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr21582.c b/gcc/testsuite/gcc.dg/tree-ssa/pr21582.c new file mode 100644 index 000000000..0f5dc9ec1 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr21582.c @@ -0,0 +1,28 @@ +/* { dg-do link } */ +/* { dg-options "-O2 -fdump-tree-vrp1" } */ + +static inline void do_thing(char *s, int *p, char *q) +{ + /* This should be folded away. */ + if (s == 0 || q == 0) + link_error (); + + /* This should not be folded as 'p' is not marked nonnull. */ + if (p) + *p = 3; +} + +void __attribute__((nonnull (1, 3))) do_other_thing(char *s, int *p, char *q) +{ + do_thing(s, p, q); +} + +int i; + +main() +{ + do_other_thing ("xxx", &i, "yyy"); +} + +/* { dg-final { scan-tree-dump-times "Folding predicate p_.*" 0 "vrp1" } } */ +/* { dg-final { cleanup-tree-dump "vrp1" } } */ |