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author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-04-02 18:25:36 +0000 |
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committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-04-02 18:25:36 +0000 |
commit | 9f559b20308d34be446d1ec2072ab6aef74ca9f9 (patch) | |
tree | 4ee3c2b7dfdc5ebe044adb7a6e509a7d8ffa2e13 /gcc/asan.c | |
parent | 7d71feb3c0860b4e12ecca400f16364a7a789367 (diff) | |
download | gcc-9f559b20308d34be446d1ec2072ab6aef74ca9f9.tar.gz |
PR c++/34949
* tree-cfg.c (verify_gimple_assign_single): Allow lhs
of gimple_clobber_p to be MEM_REF.
* gimplify.c (gimplify_modify_expr): Gimplify *to_p of
an assignment from TREE_CLOBBER_P. Allow it to be MEM_REF
after gimplification.
* asan.c (get_mem_ref_of_assignment): Don't instrument
gimple_clobber_p stmts.
* tree-ssa-dse.c (dse_optimize_stmt): Allow DSE of
gimple_clobber_p stmt if they have MEM_REF lhs and
are dead because of another gimple_clobber_p stmt.
* tree-ssa-live.c (clear_unused_block_pointer): Treat
gimple_clobber_p stmts like debug stmts.
(remove_unused_locals): Remove clobbers with MEM_REF lhs
that refer to unused VAR_DECLs or uninitialized values.
* tree-sra.c (sra_ipa_reset_debug_stmts): Also remove
gimple_clobber_p stmts if they refer to removed parameters.
(get_repl_default_def_ssa_name, sra_ipa_modify_expr): Fix up
formatting.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@197369 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/asan.c')
-rw-r--r-- | gcc/asan.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/asan.c b/gcc/asan.c index 52a2dbc5dfd..36eccf93cbb 100644 --- a/gcc/asan.c +++ b/gcc/asan.c @@ -412,7 +412,8 @@ get_mem_ref_of_assignment (const gimple assignment, { gcc_assert (gimple_assign_single_p (assignment)); - if (gimple_store_p (assignment)) + if (gimple_store_p (assignment) + && !gimple_clobber_p (assignment)) { ref->start = gimple_assign_lhs (assignment); *ref_is_store = true; |