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36fa01ab
2019 May 03
2
LLVM Virtual registers after RA pass?
I need to use ‘createVirtualRegister’ for a specific case in my ‘eliminateFrameIndex’ function implementation.
However, whenever that code is executed, I get the assertion "MachineCopyPropagation should be run after register allocation!” at a later stage.
I have seen that at least a couple of backend implementations (including ARM Thumb) create virtual registers in ‘eliminatedFrameIndex’.