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...-2.7/lib/Target/M68K/M68KISelLowering.cpp:37: undefined reference to `vtable for llvm::M68KTargetLowering' /home/pgautam/llvm/llvm-2.7/Release+Debug/lib/libLLVMM68KCodeGen.a(M68KISelLowering.o): In function `pair': /usr/include/c++/4.4/bits/stl_pair.h:84: undefined reference to `llvm::M68K::IntRegsRegClass' /home/pgautam/llvm/llvm-2.7/Release+Debug/lib/libLLVMM68KCodeGen.a(M68KISelLowering.o): In function `M68KTargetLowering': /home/pgautam/llvm/llvm-2.7/lib/Target/M68K/M68KISelLowering.cpp:37: undefined reference to `vtable for llvm::M68KTargetLowering' /home/pgautam/llvm/llvm-2.7/Releas...

Hi, I'm trying to implement __builtin_setjmp / __builtin_longjmp for Sparc processors. I think I'm very close, but I can't work out how to issue BuildMI-type instructions to load the address of the recovery location (set in setjmp) into a register using the SETHI / OR combination. I can't see any equivalent code anywhere else in Sparc. I imagine this is similar if I try to make a

...;memoperands_end(); + + MVT PVT = getPointerTy(MF->getDataLayout()); + unsigned PtrSize = PVT.getStoreSize(); + assert(PVT == MVT::i32 && "Invalid Pointer Size!"); + + unsigned Buf = MI->getOperand(0).getReg(); + unsigned JmpLoc = MRI.createVirtualRegister(&SP::IntRegsRegClass); + + // Instruction to load jmp location + MIB = BuildMI(*MBB, MI, DL, TII->get(SP::LDri)) + .addReg(JmpLoc, RegState::Define) + .addReg(Buf) + .addImm(PtrSize); + MIB.setMemRefs(MMOBegin, MMOEnd); + + // TO DO: If we do 64-bit handling, this perhaps...