From a4dd4e2de8656ee9e51e6249b95a02ab5fe9c81a Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 23 Apr 2003 20:40:42 +0000
Subject: [PATCH] The new CFrontend generates LOTs of basic blocks that just
 fall through and do other funky stuff.  Clean it up early.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5889 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/gccas/gccas.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index b5a980b2ed4..2172782ce9c 100644
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -70,6 +70,7 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
   addPass(PM, createDeadTypeEliminationPass());  // Eliminate dead types
   addPass(PM, createConstantMergePass());        // Merge dup global constants
   addPass(PM, createVerifierPass());             // Verify that input is correct
+  addPass(PM, createCFGSimplificationPass());    // Merge & remove BBs
   addPass(PM, createDeadInstEliminationPass());  // Remove Dead code/vars
   addPass(PM, createRaiseAllocationsPass());     // call %malloc -> malloc inst
   addPass(PM, createIndVarSimplifyPass());       // Simplify indvars