Teach frame lowering to ignore debug values after the terminators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123399 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Blackfin/BlackfinFrameLowering.cpp b/lib/Target/Blackfin/BlackfinFrameLowering.cpp
index 594325f..08bb952 100644
--- a/lib/Target/Blackfin/BlackfinFrameLowering.cpp
+++ b/lib/Target/Blackfin/BlackfinFrameLowering.cpp
@@ -90,7 +90,7 @@
     static_cast<const BlackfinRegisterInfo*>(MF.getTarget().getRegisterInfo());
   const BlackfinInstrInfo &TII =
     *static_cast<const BlackfinInstrInfo*>(MF.getTarget().getInstrInfo());
-  MachineBasicBlock::iterator MBBI = prior(MBB.end());
+  MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
   DebugLoc dl = MBBI->getDebugLoc();
 
   int FrameSize = MFI->getStackSize();