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| author | Daniel Berlin <dberlin@dberlin.org> | 2005-09-29 19:38:00 +0000 |
|---|---|---|
| committer | Daniel Berlin <dberlin@gcc.gnu.org> | 2005-09-29 19:38:00 +0000 |
| commit | 8d2c775f0175a71fefe00156505c9f5c50af4114 (patch) | |
| tree | bb0627ae5f2c63a515449ff199a6679ce0a7e52b /gcc/testsuite/gcc.dg | |
| parent | ffc53fb0fa533d427c814b3a00da426ce25e7003 (diff) | |
| download | gcc-8d2c775f0175a71fefe00156505c9f5c50af4114.zip gcc-8d2c775f0175a71fefe00156505c9f5c50af4114.tar.gz gcc-8d2c775f0175a71fefe00156505c9f5c50af4114.tar.bz2 | |
re PR tree-optimization/24117 (struct is not marked fully as call clobbered)
2005-09-29 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/24117
* tree-ssa-structalias.c (find_func_aliases): Strip nops
before considering whether to use anyoffset.
From-SVN: r104791
Diffstat (limited to 'gcc/testsuite/gcc.dg')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr24117.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr24117.c b/gcc/testsuite/gcc.dg/tree-ssa/pr24117.c new file mode 100644 index 0000000..ffa5dd0 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr24117.c @@ -0,0 +1,24 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +typedef struct { + int x; + int z; +} Foo_t; + +char *xm; +void bar(void); + +void foo(void) +{ + Foo_t x; + x.x = 1; + x.z = 2; + xm = (char *)&x; + bar(); + /* We can't propagate x.z past bar, so this link_error should still be there. */ + if (x.z != 2) + link_error (); +} +/* { dg-final { scan-tree-dump-times "link_error" 1 "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |