[LLVMdev] Register only Machine

Chris Lattner clattner at apple.com
Mon Dec 28 22:19:11 PST 2009

On Dec 28, 2009, at 8:29 PM, 傅德瑋 wrote:

> Hi,
>         Can LLVM support a machine has no memory?

No, the machine model assumes you can do load and store for turing completeness.  You can support subsets of llvm, but not very useful subsets.


> My machine has only registers, how should I process load/store instructions?
> I have tried to map the memory target to virtual register, but it will assert whose message is “Register use before def!”
> Thanks a lot
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