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| author | Richard Guenther <rguenther@suse.de> | 2011-01-25 16:38:26 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2011-01-25 16:38:26 +0000 |
| commit | 194313e274b4054b72ca2b44841033f97160c745 (patch) | |
| tree | c5579d7a1f5560c1a63423337a418a4054fce3bd /gcc/testsuite/gcc.dg/torture | |
| parent | 147a0bcfc784a28e4ef09e32b23703e0ecc8bd55 (diff) | |
| download | gcc-194313e274b4054b72ca2b44841033f97160c745.zip gcc-194313e274b4054b72ca2b44841033f97160c745.tar.gz gcc-194313e274b4054b72ca2b44841033f97160c745.tar.bz2 | |
re PR tree-optimization/47426 (wrong code with -O2 -fipa-pta)
2011-01-25 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47426
* tree-ssa-structalias.c (ipa_pta_execute): Make externally
visible functions results escape.
* gcc.dg/torture/pr47426-1.c: New testcase.
* gcc.dg/torture/pr47426-2.c: Likewise.
From-SVN: r169241
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture')
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr47426-1.c | 23 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr47426-2.c | 19 |
2 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr47426-1.c b/gcc/testsuite/gcc.dg/torture/pr47426-1.c new file mode 100644 index 0000000..47dcff9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr47426-1.c @@ -0,0 +1,23 @@ +/* { dg-do run } */ +/* { dg-options "-fipa-pta" } */ +/* { dg-additional-sources "pr47426-2.c" } */ + +void bar (int *i); + +static void +foo (int *i) +{ + if (*i) + bar (i); + if (*i) + __builtin_abort(); +} + +typedef void tfoo (int *); + +tfoo * +getfoo (void) +{ + return &foo; +} + diff --git a/gcc/testsuite/gcc.dg/torture/pr47426-2.c b/gcc/testsuite/gcc.dg/torture/pr47426-2.c new file mode 100644 index 0000000..a22e902 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr47426-2.c @@ -0,0 +1,19 @@ +typedef void tfoo (int *); +tfoo *getfoo (void); + +void +bar (int *i) +{ + (*i)--; +} + +int +main () +{ + int i = 1; + getfoo ()(&i); + if (i) + __builtin_abort (); + return 0; +} + |