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| author | Richard Guenther <rguenther@suse.de> | 2011-01-17 11:50:47 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-01-17 11:50:47 +0000 |
| commit | f4c69f53f97ccbbd59ac62d9da712d5297580e72 (patch) | |
| tree | 047b8c440120fa3d2aabd4cb0532cc0bfb110e8f | |
| parent | b5d4b580adfd064387972293bb7bc01ef79e2c07 (diff) | |
| download | gcc-f4c69f53f97ccbbd59ac62d9da712d5297580e72.zip gcc-f4c69f53f97ccbbd59ac62d9da712d5297580e72.tar.gz gcc-f4c69f53f97ccbbd59ac62d9da712d5297580e72.tar.bz2 | |
re PR tree-optimization/45967 (gcc-4.5.x optimizes code with side-effects away)
2011-01-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45967
* gcc.dg/torture/pr45967-2.c: New testcase.
* gcc.dg/torture/pr45967-3.c: Likewise.
From-SVN: r168896
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr45967-2.c | 24 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr45967-3.c | 21 |
3 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4d30838..37955d7 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2011-01-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/45967 + * gcc.dg/torture/pr45967-2.c: New testcase. + * gcc.dg/torture/pr45967-3.c: Likewise. + 2011-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> PR testsuite/47325 diff --git a/gcc/testsuite/gcc.dg/torture/pr45967-2.c b/gcc/testsuite/gcc.dg/torture/pr45967-2.c new file mode 100644 index 0000000..6959fd5 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr45967-2.c @@ -0,0 +1,24 @@ +/* { dg-do run } */ + +extern void abort (void); +int b; +void +foo (void *p_, int *q) +{ + int *p; + int i; + for (i = 0; i < sizeof(int *); ++i) + ((char *)&p)[i] = ((char *)p_)[i]; + if (b) + p = q; + *p = 1; +} +int main() +{ + int i = 0, j; + int *p = &i; + foo (&p, &j); + if (i != 1) + abort (); + return 0; +} diff --git a/gcc/testsuite/gcc.dg/torture/pr45967-3.c b/gcc/testsuite/gcc.dg/torture/pr45967-3.c new file mode 100644 index 0000000..1a23a77 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr45967-3.c @@ -0,0 +1,21 @@ +/* { dg-do run } */ + +extern void abort (void); +void +foo (void *p_) +{ + int *p; + int i; + for (i = 0; i < sizeof(int *); ++i) + ((char *)&p)[i] = ((char *)p_)[i]; + *p = 1; +} +int main() +{ + int i = 0; + int *p = &i; + foo (&p); + if (i != 1) + abort (); + return 0; +} |