Re-commit optimization bisect support (r267022) without new pass manager support.

The original commit was reverted because of a buildbot problem with LazyCallGraph::SCC handling (not related to the OptBisect handling).

Differential Revision: http://reviews.llvm.org/D19172

llvm-svn: 267231
diff --git a/llvm/lib/Transforms/IPO/PartialInlining.cpp b/llvm/lib/Transforms/IPO/PartialInlining.cpp
index 0c5c84b..7b1b0985 100644
--- a/llvm/lib/Transforms/IPO/PartialInlining.cpp
+++ b/llvm/lib/Transforms/IPO/PartialInlining.cpp
@@ -149,6 +149,9 @@
 }
 
 bool PartialInliner::runOnModule(Module& M) {
+  if (skipModule(M))
+    return false;
+
   std::vector<Function*> worklist;
   worklist.reserve(M.size());
   for (Module::iterator FI = M.begin(), FE = M.end(); FI != FE; ++FI)