From 5771d6c16d71dc3bba59b88592686c76f07f4721 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Thu, 29 May 2008 17:00:13 +0000
Subject: [PATCH] Force postdom to be linked into opt and bugpoint, even though
 it is no longer used by any passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51686 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Analysis/PostDominators.h | 3 +++
 include/llvm/LinkAllPasses.h           | 2 ++
 lib/Analysis/PostDominators.cpp        | 8 ++++++++
 3 files changed, 13 insertions(+)

diff --git a/include/llvm/Analysis/PostDominators.h b/include/llvm/Analysis/PostDominators.h
index 51b3e807d8b..b99fafcfc9f 100644
--- a/include/llvm/Analysis/PostDominators.h
+++ b/include/llvm/Analysis/PostDominators.h
@@ -62,6 +62,7 @@ struct PostDominatorTree : public FunctionPass {
   }
 };
 
+FunctionPass* createPostDomTree();
 
 /// PostDominanceFrontier Class - Concrete subclass of DominanceFrontier that is
 /// used to compute the a post-dominance frontier.
@@ -90,6 +91,8 @@ private:
                               const DomTreeNode *Node);
 };
 
+FunctionPass* createPostDomFrontier();
+
 } // End llvm namespace
 
 #endif
diff --git a/include/llvm/LinkAllPasses.h b/include/llvm/LinkAllPasses.h
index 96f9eaee175..eaa97b6ae65 100644
--- a/include/llvm/LinkAllPasses.h
+++ b/include/llvm/LinkAllPasses.h
@@ -116,6 +116,8 @@ namespace {
       (void) llvm::createGVNPass();
       (void) llvm::createMemCpyOptPass();
       (void) llvm::createLoopDeletionPass();
+      (void) llvm::createPostDomTree();
+      (void) llvm::createPostDomFrontier();
 
       (void)new llvm::IntervalPartition();
       (void)new llvm::FindUsedTypes();
diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index cfa1b463295..3d3713b11d9 100644
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -42,6 +42,10 @@ PostDominatorTree::~PostDominatorTree()
   delete DT;
 }
 
+FunctionPass* llvm::createPostDomTree() {
+  return new PostDominatorTree();
+}
+
 //===----------------------------------------------------------------------===//
 //  PostDominanceFrontier Implementation
 //===----------------------------------------------------------------------===//
@@ -84,3 +88,7 @@ PostDominanceFrontier::calculate(const PostDominatorTree &DT,
 
   return S;
 }
+
+FunctionPass* llvm::createPostDomFrontier() {
+  return new PostDominanceFrontier();
+}
\ No newline at end of file
-- 
2.34.1