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authorDaniel Berlin <dberlin@dberlin.org>2005-03-30 22:10:47 +0000
committerDaniel Berlin <dberlin@gcc.gnu.org>2005-03-30 22:10:47 +0000
commitd19e9499fc4f7cf1bbcc48a8c7947d5818827a7f (patch)
treef6eaaa98001b2da1eb839c4603dc4bf351b73e15 /gcc/tree-ssa.c
parent12527dcee33276926ce75f6117544205982291e9 (diff)
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tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure subvars get marked properly in tags for grouping.
2005-03-30 Daniel Berlin <dberlin@dberlin.org> * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure subvars get marked properly in tags for grouping. (add_pointed_to_var): Mark only actual pointed to variables/subvars in addresses needed. (create_overlap_variables_for): Clear call clobbered on original variable. * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular addresable vars with subvars into list. * tree-ssa.c (verify_ssa_name): Verify original is not used where subvar should be. From-SVN: r97285
Diffstat (limited to 'gcc/tree-ssa.c')
-rw-r--r--gcc/tree-ssa.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c
index b3fda97..899594d 100644
--- a/gcc/tree-ssa.c
+++ b/gcc/tree-ssa.c
@@ -136,6 +136,13 @@ verify_ssa_name (tree ssa_name, bool is_virtual)
return true;
}
+ if (is_virtual && var_ann (SSA_NAME_VAR (ssa_name))
+ && get_subvars_for_var (SSA_NAME_VAR (ssa_name)) != NULL)
+ {
+ error ("Found real variable when subvariables should have appeared");
+ return true;
+ }
+
return false;
}