From 67223522355b5d75ef4efc2889722239c44fc255 Mon Sep 17 00:00:00 2001
From: Max Kazantsev <mkazantsev@azul.com>
Date: Tue, 14 Feb 2023 19:54:19 +0700
Subject: [PATCH] [SimpleLoopUnswitch] Re-enable
 simple-loop-unswitch-inject-invariant-conditions

Underlying bug (taking a branch from inner loop as candidate) is now fixed.
We can return it.
---
 llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
index 9304d16..0cba37d 100644
--- a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
@@ -125,7 +125,7 @@ static cl::opt<bool> InjectInvariantConditions(
     "simple-loop-unswitch-inject-invariant-conditions", cl::Hidden,
     cl::desc("Whether we should inject new invariants and unswitch them to "
              "eliminate some existing (non-invariant) conditions."),
-    cl::init(false));
+    cl::init(true));
 
 static cl::opt<unsigned> InjectInvariantConditionHotnesThreshold(
     "simple-loop-unswitch-inject-invariant-condition-hotness-threshold",
-- 
2.7.4