1 files changed, 9 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineOutliner.cpp b/llvm/lib/CodeGen/MachineOutliner.cpp
index 2a6a94d..932316f 100644
--- a/llvm/lib/CodeGen/MachineOutliner.cpp
+++ b/llvm/lib/CodeGen/MachineOutliner.cpp
@@ -1416,7 +1416,15 @@ bool MachineOutliner::runOnModule(Module &M) {
       MMI.getOrCreateMachineFunction(*M.begin()).getSubtarget();
   const TargetRegisterInfo *TRI = STI.getRegisterInfo();
   const TargetInstrInfo *TII = STI.getInstrInfo();
-  
+
+  // Does the target implement the MachineOutliner? If it doesn't, quit here.
+  if (!TII->useMachineOutliner()) {
+    // No. So we're done.
+    DEBUG(dbgs()
+          << "Skipping pass: Target does not support the MachineOutliner.\n");
+    return false;
+  }
+
   InstructionMapper Mapper;
 
   // Build instruction mappings for each function in the module. Start by