1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp
index c266b746e60..81651aadcfd 100644
--- a/llvm/lib/CodeGen/MachineScheduler.cpp
+++ b/llvm/lib/CodeGen/MachineScheduler.cpp
@@ -314,6 +314,9 @@ ScheduleDAGInstrs *PostMachineScheduler::createPostMachineScheduler() {
 /// design would be to split blocks at scheduling boundaries, but LLVM has a
 /// general bias against block splitting purely for implementation simplicity.
 bool MachineScheduler::runOnMachineFunction(MachineFunction &mf) {
+  if (skipOptnoneFunction(*mf.getFunction()))
+    return false;
+
   if (EnableMachineSched.getNumOccurrences()) {
     if (!EnableMachineSched)
       return false;