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| author | Eric Botcazou <ebotcazou@adacore.com> | 2007-06-11 15:40:52 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2007-06-11 15:40:52 +0000 |
| commit | 73fd4ad6cd12dbb4ba0fbcf4e7fa11d22fd05ea3 (patch) | |
| tree | 1b8157062e08bc40acc9e00f97163fff095d7437 /gcc/tree-ssa-structalias.c | |
| parent | afcc986d03991b070c7ab76159f5b792b94c0a80 (diff) | |
| download | gcc-73fd4ad6cd12dbb4ba0fbcf4e7fa11d22fd05ea3.zip gcc-73fd4ad6cd12dbb4ba0fbcf4e7fa11d22fd05ea3.tar.gz gcc-73fd4ad6cd12dbb4ba0fbcf4e7fa11d22fd05ea3.tar.bz2 | |
tree-ssa-structalias.c (find_what_p_points_to): Return false for ref-all pointers that point-to anything.
* tree-ssa-structalias.c (find_what_p_points_to): Return false
for ref-all pointers that point-to anything.
From-SVN: r125620
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 6b470b3..d351bf5 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4540,12 +4540,19 @@ find_what_p_points_to (tree p) finished_solution = BITMAP_GGC_ALLOC (); stats.points_to_sets_created++; - /* Instead of using pt_anything, we instead merge in the SMT - aliases for the underlying SMT. In addition, if they - could have pointed to anything, they could point to - global memory. */ + /* Instead of using pt_anything, we merge in the SMT aliases + for the underlying SMT. In addition, if they could have + pointed to anything, they could point to global memory. + But we cannot do that for ref-all pointers because these + aliases have not been computed yet. */ if (was_pt_anything) { + if (PTR_IS_REF_ALL (p)) + { + pi->pt_anything = 1; + return false; + } + merge_smts_into (p, finished_solution); pi->pt_global_mem = 1; } |