diff --git a/llvm/lib/CodeGen/MachineOutliner.cpp b/llvm/lib/CodeGen/MachineOutliner.cpp
--- a/llvm/lib/CodeGen/MachineOutliner.cpp
+++ b/llvm/lib/CodeGen/MachineOutliner.cpp
@@ -95,6 +95,11 @@
     cl::desc("Enable the machine outliner on linkonceodr functions"),
     cl::init(false));
 
+static cl::opt<unsigned> OutlinerReruns(
+    "outliner-reruns", cl::init(0), cl::Hidden,
+    cl::desc(
+        "Number of times to rerun the outliner after the initial outline"));
+
 namespace {
 
 /// Represents an undefined index in the suffix tree.
@@ -1427,6 +1432,11 @@
 
   if (!doOutline(M, OutlinedFunctionNum))
     return false;
+
+  for (unsigned I = 0; I < OutlinerReruns; ++I)
+    if (!doOutline(M, OutlinedFunctionNum))
+      return true;
+
   return true;
 }