From e34787f5c094e52e3ce7a95a67f9a6b182c61e4d Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Sat, 10 May 2008 07:10:24 +0000
Subject: [PATCH] Re-enable loop deletion by default.

llvm-svn: 50941
---
 tools/opt/opt.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index d1862a08fcf..f9dd161c757 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -282,6 +282,7 @@ void AddStandardCompilePasses(PassManager &PM) {
   addPass(PM, createLoopIndexSplitPass());       // Index split loops.
   addPass(PM, createInstructionCombiningPass()); // Clean up after LICM/reassoc
   addPass(PM, createIndVarSimplifyPass());       // Canonicalize indvars
+  addPass(PM, createLoopDeletionPass());         // Delete dead loops
   addPass(PM, createLoopUnrollPass());           // Unroll small loops
   addPass(PM, createInstructionCombiningPass()); // Clean up after the unroller
   addPass(PM, createGVNPass());                  // Remove redundancies