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| author | Richard Guenther <rguenther@suse.de> | 2008-04-05 18:04:07 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-04-05 18:04:07 +0000 |
| commit | 3d3e20df3616f7999bd607306b378a4861cd8b77 (patch) | |
| tree | b06cb8ee7a58cd9db890e19b33b492266ea4a52c /gcc | |
| parent | 9fb7564ea2e59d56da5f2da0fcef15c33ce83205 (diff) | |
| download | gcc-3d3e20df3616f7999bd607306b378a4861cd8b77.zip gcc-3d3e20df3616f7999bd607306b378a4861cd8b77.tar.gz gcc-3d3e20df3616f7999bd607306b378a4861cd8b77.tar.bz2 | |
re PR tree-optimization/35833 (Wrong code generated with -ftree-vrp)
2008-04-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/35833
* gcc.dg/torture/pr35833.c: New testcase.
From-SVN: r133941
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr35833.c | 22 |
2 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 08e3545..720118a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-04-05 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/35833 + * gcc.dg/torture/pr35833.c: New testcase. + 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com> * gcc.target/sh/sh2a-band.c: New test. diff --git a/gcc/testsuite/gcc.dg/torture/pr35833.c b/gcc/testsuite/gcc.dg/torture/pr35833.c new file mode 100644 index 0000000..2e740f2 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr35833.c @@ -0,0 +1,22 @@ +/* { dg-do run } */ +/* { dg-options "-ftree-vrp" } */ + +struct S {struct S *field;}; +struct S True, False, Z; +static inline int f(void) {return 1;} +static inline int g(struct S **obj) { + return f() && *obj == &Z; +} +struct S **h(struct S **x) { + if (x) + return g(x) ? &True.field : &False.field; + else + return &True.field; +} +extern void abort (void); +int main() +{ + if (h(&False.field) != &False.field) + abort (); + return 0; +} |