From 3e8984a0c43b04d8a8fe88a9c187e9e338d169b4 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 22 May 2011 06:44:19 +0000
Subject: [PATCH] initialize and finalize function passes, pointed out by
 Cameron.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131843 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/opt/opt.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 251edc48200..12f7fcb72bb 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -682,9 +682,12 @@ int main(int argc, char **argv) {
   if (OptLevelO3)
     AddOptimizationPasses(Passes, *FPasses, 3);
 
-  if (OptLevelO1 || OptLevelO2 || OptLevelO3)
+  if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
+    FPasses->doInitialization();
     for (Module::iterator F = M->begin(), E = M->end(); F != E; ++F)
       FPasses->run(*F);
+    FPasses->doFinalization();
+  }
 
   // Check that the module is well formed on completion of optimization
   if (!NoVerify && !VerifyEach)