1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineOutliner.cpp b/llvm/lib/CodeGen/MachineOutliner.cpp
index 143310e..e6f3066 100644
--- a/llvm/lib/CodeGen/MachineOutliner.cpp
+++ b/llvm/lib/CodeGen/MachineOutliner.cpp
@@ -742,7 +742,12 @@ struct InstructionMapper {
   /// \param TII \p TargetInstrInfo for the function.
   void convertToUnsignedVec(MachineBasicBlock &MBB,
                             const TargetInstrInfo &TII) {
-    unsigned Flags = TII.getMachineOutlinerMBBFlags(MBB);
+    unsigned Flags;
+
+    // Don't even map in this case.
+    if (!TII.isMBBSafeToOutlineFrom(MBB, Flags))
+      return;
+
     MachineBasicBlock::iterator It = MBB.begin();
 
     // The number of instructions in this block that will be considered for