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Date: Mon, 09 Nov 2015 15:00:00 -0000
From: Michael Matz <matz@suse.de>
To: Jeff Law <law@redhat.com>
cc: gcc-patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] Minor refactoring in tree-ssanames.c & freelists verifier
In-Reply-To: <5640611C.5090309@redhat.com>
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References: <5640611C.5090309@redhat.com>
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Hi,

On Mon, 9 Nov 2015, Jeff Law wrote:

+verify_ssaname_freelists (struct function *fun)
+{
+  /* Do nothing if we are in RTL format.  */
+  basic_block bb;
+  FOR_EACH_BB_FN (bb, fun)
+    {
+      if (bb->flags & BB_RTL)
+       return;
+    }

gimple_in_ssa_p (fun);

+      /* Then note the operands of each statement.  */
+      for (gimple_stmt_iterator gsi = gsi_start_bb (bb);
+          !gsi_end_p (gsi);
+          gsi_next (&gsi))
+       {
+         ssa_op_iter iter;
+         gimple *stmt = gsi_stmt (gsi);
+         FOR_EACH_SSA_TREE_OPERAND (t, stmt, iter, SSA_OP_ALL_OPERANDS)
+           if (TREE_CODE (t) == SSA_NAME)
+             bitmap_set_bit (names_in_il, SSA_NAME_VERSION (t));
+       }

t will always be an SSA_NAME here.


Ciao,
Michael.