Use FrameSetup on frame instructions for the Mips port.

I can't seem to get a testcase to show a difference here, but it's
part of the unconditional-br.ll line table weirdness.

llvm-svn: 206218

llvm/lib/Target/Mips/Mips16FrameLowering.cpp

@@ -71,7 +71,7 @@ void Mips16FrameLowering::emitPrologue(MachineFunction &MF) const {
   }
   if (hasFP(MF))
     BuildMI(MBB, MBBI, dl, TII.get(Mips::MoveR3216), Mips::S0)
-      .addReg(Mips::SP);
+      .addReg(Mips::SP).setMIFlag(MachineInstr::FrameSetup);
 
 }
 

llvm/lib/Target/Mips/MipsSEFrameLowering.cpp

@@ -375,7 +375,8 @@ void MipsSEFrameLowering::emitPrologue(MachineFunction &MF) const {
   // if framepointer enabled, set it to point to the stack pointer.
   if (hasFP(MF)) {
     // Insert instruction "move $fp, $sp" at this location.
-    BuildMI(MBB, MBBI, dl, TII.get(ADDu), FP).addReg(SP).addReg(ZERO);
+    BuildMI(MBB, MBBI, dl, TII.get(ADDu), FP).addReg(SP).addReg(ZERO)
+      .setMIFlag(MachineInstr::FrameSetup);
 
     // emit ".cfi_def_cfa_register $fp"
     unsigned CFIIndex = MMI.addFrameInst(MCCFIInstruction::createDefCfaRegister(