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...tions ** >> >> >> * A. Replicate SDAG Solution * >> >> >> Not much to add from the title. One can see that in the sketch of >> patch for the IRTranslator (from the original GlobalISel email >> http://lists.llvm.org/pipermail/llvm-dev/2015-November/092566.html >> ), we have a map from a Value to a list of virtual registers. >> >> >> Pros: >> - We know it worked for SDAG. >> - We know backends would generate reasonable code from that. >> >> >> Cons: >> - We need to pay (compile time, mem...

...eed to support aggregate type and the ones that do not. ** Possible Solutions ** * A. Replicate SDAG Solution * Not much to add from the title. One can see that in the sketch of patch for the IRTranslator (from the original GlobalISel email http://lists.llvm.org/pipermail/llvm-dev/2015-November/092566.html), we have a map from a Value to a list of virtual registers. Pros: - We know it worked for SDAG. - We know backends would generate reasonable code from that. Cons: - We need to pay (compile time, memory consumption) for the extra logic for every non-aggregate type. - Translation is not homog...