From c7dd93bc702009345ce578437911a5a4dfae72ad Mon Sep 17 00:00:00 2001
From: Anh <zenpoems@gmail.com>
Date: Tue, 19 Mar 2019 07:19:30 -0700
Subject: [PATCH] Turn off conditional branch optimization, supplanted by Tikir
The dominator graph algorith completely makes this optimization obsolete.
---
tools/zax/zax_base.cpp | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/zax/zax_base.cpp b/tools/zax/zax_base.cpp
index 057b5de..f873790 100644
--- a/tools/zax/zax_base.cpp
+++ b/tools/zax/zax_base.cpp
@@ -1222,9 +1222,12 @@ int ZaxBase_t::execute()
if (m_graph_optimize)
{
+ /*
+ supplanted by Tikir's algorithm: turn on dominator graph option
filterConditionalBranches(keepers);
if (m_verbose)
cout << "num blocks to keep (after filter conditional branches): " << keepers.size() << endl;
+ */
filterEntryBlock(keepers, entry_block);
if (m_verbose)
cout << "num blocks to keep (after filter entry): " << keepers.size() << endl;
--
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