Index: lib/CodeGen/MachineSink.cpp
===================================================================
--- lib/CodeGen/MachineSink.cpp
+++ lib/CodeGen/MachineSink.cpp
@@ -1202,6 +1202,9 @@
 }
 
 bool PostRAMachineSinking::runOnMachineFunction(MachineFunction &MF) {
+  if (skipFunction(MF.getFunction()))
+    return false;
+
   bool Changed = false;
   const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
   const TargetInstrInfo *TII = MF.getSubtarget().getInstrInfo();