From fe57d109b6414d6728825a64857335afcd2bd13e Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Mon, 3 Nov 2008 19:38:07 +0000
Subject: Ignore conditions that are outside the loop.

llvm-svn: 58631
---
 llvm/lib/Transforms/Scalar/LoopUnswitch.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/Transforms/Scalar/LoopUnswitch.cpp')

diff --git a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
index 65034f5577c..31e875275b8 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -167,8 +167,10 @@ static Value *FindLIVLoopCondition(Value *Cond, Loop *L, bool &Changed) {
 
   // TODO: Handle: br (VARIANT|INVARIANT).
   // TODO: Hoist simple expressions out of loops.
-  if (L->isLoopInvariant(Cond)) return Cond;
-  
+  if (Instruction *I = dyn_cast<Instruction>(Cond))
+    if (!L->contains(I->getParent()))
+      return 0;
+
   if (BinaryOperator *BO = dyn_cast<BinaryOperator>(Cond))
     if (BO->getOpcode() == Instruction::And ||
         BO->getOpcode() == Instruction::Or) {
-- 
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