[LLVMdev] Is SDNode CopyFromReg necessary to be generated?
Thomson
lilotom at gmail.com
Sat Jan 3 22:57:46 PST 2015
In the case SDNode *CopyFromReg *takes a virtual register and produces its
value with type, is this node necessary to be generated for SelectionDAG? I
tested some cases that ignores generating CopyFromReg and references the
register Node directly also generates good code.
Cheers
Thomson
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