From ab417b644c726a25d366c0f81d13bcf95608f572 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Thu, 6 Dec 2012 00:30:20 +0000
Subject: [PATCH] Set the 'MadeChange' variable if we are deleting blocks.

llvm-svn: 169455
---
 llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp b/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 19b04d5..e6abfdf 100644
--- a/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/llvm/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -195,6 +195,7 @@ bool CodeGenPrepare::runOnFunction(Function &F) {
     }
 
     // Delete the dead blocks and any of their dead successors.
+    MadeChange |= !WorkList.empty();
     while (!WorkList.empty()) {
       BasicBlock *BB = *WorkList.begin();
       WorkList.erase(BB);
-- 
2.7.4