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tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove unreachable code.

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* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
	unreachable code.

From-SVN: r110426
This commit is contained in:
Zdenek Dvorak 2006-01-31 03:55:28 +01:00 committed by Zdenek Dvorak
parent 3cd045d10e
commit b729952bdf
2 changed files with 6 additions and 10 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
unreachable code.
2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
PR target/26018

11
gcc/tree-ssa-dce.c
View File

@ -285,8 +285,7 @@ static void
mark_stmt_if_obviously_necessary (tree stmt, bool aggressive)
{
stmt_ann_t ann;
tree op, def;
ssa_op_iter iter;
tree op;
/* With non-call exceptions, we have to assume that all statements could
throw. If a statement may throw, it is inherently necessary. */
@ -372,14 +371,6 @@ mark_stmt_if_obviously_necessary (tree stmt, bool aggressive)
return;
}
FOR_EACH_SSA_TREE_OPERAND (def, stmt, iter, SSA_OP_DEF)
{
if (is_global_var (SSA_NAME_VAR (def)))
{
mark_stmt_necessary (stmt, true);
return;
}
}
if (is_hidden_global_store (stmt))
{
mark_stmt_necessary (stmt, true);