[PATCH] D69446: [llvm][MachineOutliner] Add support for repeating machine outliner N times.

[Puyan Lotfi via Phabricator via llvm-commits]

plotfi updated this revision to Diff 226756.
plotfi marked 2 inline comments as done.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69446/new/

https://reviews.llvm.org/D69446

Files:
  llvm/lib/CodeGen/MachineOutliner.cpp


Index: llvm/lib/CodeGen/MachineOutliner.cpp
===================================================================
--- llvm/lib/CodeGen/MachineOutliner.cpp
+++ 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;
 }
 


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