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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2011-12-03 16:39:56 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2011-12-03 16:39:56 +0000
commit88f2e16bb28fb750679c6c2b24e0ff3e0ab73f26 (patch)
tree1c54a346df5ae59f2f23d251a7bb9830f3367d17 /gcc/tree-ssa.c
parent4f6cadc51f13c6da8748a5a2eff042d468661082 (diff)
downloadgcc-88f2e16bb28fb750679c6c2b24e0ff3e0ab73f26.tar.gz
PR debug/50317
* tree-ssa.c (target_for_debug_bind): Also allow is_gimple_reg_type vars that aren't referenced. (tree-ssa-live.c (remove_unused_locals): Don't clear TREE_ADDRESSABLE of unreferenced local vars. * cfgexpand.c (expand_debug_expr): For DEBUG_IMPLICIT_PTR allow also TREE_ADDRESSABLE vars that satisfy target_for_debug_bind. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181971 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa.c')
-rw-r--r--gcc/tree-ssa.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c
index 97857217ce7..8485af0a165 100644
--- a/gcc/tree-ssa.c
+++ b/gcc/tree-ssa.c
@@ -264,7 +264,12 @@ target_for_debug_bind (tree var)
return NULL_TREE;
if (!is_gimple_reg (var))
- return NULL_TREE;
+ {
+ if (is_gimple_reg_type (TREE_TYPE (var))
+ && referenced_var_lookup (cfun, DECL_UID (var)) == NULL_TREE)
+ return var;
+ return NULL_TREE;
+ }
return var;
}