[ShrinkWrap] Add (a simplified version) of shrink-wrapping.

[oota-llvm.git] / lib / Target / MSP430 / MSP430FrameLowering.cpp

diff --git a/lib/Target/MSP430/MSP430FrameLowering.cpp b/lib/Target/MSP430/MSP430FrameLowering.cpp
index d6cb9f6459a6df481af357663f4f87133a58ead0..eb720809e47cca6910468081b330a0b04c070259 100644 (file)
--- a/lib/Target/MSP430/MSP430FrameLowering.cpp
+++ b/lib/Target/MSP430/MSP430FrameLowering.cpp
@@ -39,8 +39,9 @@ bool MSP430FrameLowering::hasReservedCallFrame(const MachineFunction &MF) const
   return !MF.getFrameInfo()->hasVarSizedObjects();
 }
 
-void MSP430FrameLowering::emitPrologue(MachineFunction &MF) const {
-  MachineBasicBlock &MBB = MF.front();   // Prolog goes in entry BB
+void MSP430FrameLowering::emitPrologue(MachineFunction &MF,
+                                       MachineBasicBlock &MBB) const {
+  assert(&MF.front() == &MBB && "Shrink-wrapping not yet supported");
   MachineFrameInfo *MFI = MF.getFrameInfo();
   MSP430MachineFunctionInfo *MSP430FI = MF.getInfo<MSP430MachineFunctionInfo>();
   const MSP430InstrInfo &TII =