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| author | Eric Botcazou <ebotcazou@adacore.com> | 2014-04-16 10:50:58 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2014-04-16 10:50:58 +0000 |
| commit | 61c7fb308a746e03d3ae8ba54234a8e18b2479da (patch) | |
| tree | 0bef9cf3d4562a596b955f1762e194e90daca6b5 /gcc/tree-ssa-uninit.c | |
| parent | 42fae17c3741000efa1124cd0af0665ff6141f05 (diff) | |
| download | gcc-61c7fb308a746e03d3ae8ba54234a8e18b2479da.zip gcc-61c7fb308a746e03d3ae8ba54234a8e18b2479da.tar.gz gcc-61c7fb308a746e03d3ae8ba54234a8e18b2479da.tar.bz2 | |
tree-ssa-operands.c (create_vop_var): Set DECL_IGNORED_P.
* tree-ssa-operands.c (create_vop_var): Set DECL_IGNORED_P.
(append_use): Run at -O0.
(append_vdef): Likewise.
* tree-ssa-ter.c (ter_is_replaceable_p): Do not special-case -O0.
* tree-ssa-uninit.c (warn_uninitialized_vars): Remove obsolete comment.
From-SVN: r209443
Diffstat (limited to 'gcc/tree-ssa-uninit.c')
| -rw-r--r-- | gcc/tree-ssa-uninit.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/gcc/tree-ssa-uninit.c b/gcc/tree-ssa-uninit.c index eee83f7..1de1394 100644 --- a/gcc/tree-ssa-uninit.c +++ b/gcc/tree-ssa-uninit.c @@ -210,7 +210,6 @@ warn_uninitialized_vars (bool warn_possibly_uninitialized) /* For memory the only cheap thing we can do is see if we have a use of the default def of the virtual operand. - ??? Note that at -O0 we do not have virtual operands. ??? Not so cheap would be to use the alias oracle via walk_aliased_vdefs, if we don't find any aliasing vdef warn as is-used-uninitialized, if we don't find an aliasing |