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authorMarek Polacek <polacek@redhat.com>2016-05-24 13:34:37 +0000
committerMarek Polacek <mpolacek@gcc.gnu.org>2016-05-24 13:34:37 +0000
commitabd3a68c1343af515a1f9b5e60f2b6ed94ee1d7a (patch)
tree5012ef61f6549f21b9eb5ed7fd9978b9a7d872f0 /gcc/tree-cfg.h
parent30fd2977745d53f282d1560212e3bea07943a937 (diff)
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tree-cfg.h (should_remove_lhs_p): New predicate.
* tree-cfg.h (should_remove_lhs_p): New predicate. * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it. * gimplify.c (gimplify_modify_expr): Likewise. * tree-cfg.c (verify_gimple_call): Likewise. * tree-cfgcleanup.c (fixup_noreturn_call): Likewise. * gimple-fold.c: Include "tree-cfg.h". (gimple_fold_call): Use should_remove_lhs_p. From-SVN: r236637
Diffstat (limited to 'gcc/tree-cfg.h')
-rw-r--r--gcc/tree-cfg.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/tree-cfg.h b/gcc/tree-cfg.h
index 802e292..3e2a1ee 100644
--- a/gcc/tree-cfg.h
+++ b/gcc/tree-cfg.h
@@ -108,4 +108,14 @@ extern bool gimple_find_sub_bbs (gimple_seq, gimple_stmt_iterator *);
extern bool extract_true_false_controlled_edges (basic_block, basic_block,
edge *, edge *);
+/* Return true if the LHS of a call should be removed. */
+
+inline bool
+should_remove_lhs_p (tree lhs)
+{
+ return (lhs
+ && TREE_CODE (TYPE_SIZE_UNIT (TREE_TYPE (lhs))) == INTEGER_CST
+ && !TREE_ADDRESSABLE (TREE_TYPE (lhs)));
+}
+
#endif /* _TREE_CFG_H */