From dc523538338a1474caa0bc477f00498f58b34d46 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 26 Jun 2003 05:29:50 +0000
Subject: [PATCH] Run the simplify CFG pass after instcombine which has the
 effect of deleting ALL of the global ctor/dtor stuff if it is not used!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6916 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/gccld/gccld.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/gccld/gccld.cpp b/tools/gccld/gccld.cpp
index 283118d2940..5b56bd830d3 100644
--- a/tools/gccld/gccld.cpp
+++ b/tools/gccld/gccld.cpp
@@ -405,6 +405,10 @@ int main(int argc, char **argv) {
   //
   Passes.add(createInstructionCombiningPass());
 
+  // Delete basic blocks, which optimization passes may have killed...
+  //
+  Passes.add(createCFGSimplificationPass());
+
   // Now that we have optimized the program, discard unreachable functions...
   //
   Passes.add(createGlobalDCEPass());