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Hi guys, We have found a bug of BitcodeReader.cpp in processing an LTO bitcode file. As LLVM doesn't emit use-list for LTO bitcode files, many forward references will happen when BitcodeReader processes the bitcode file, and LLVM uses placeholders for those forward references and resolve them later. When parseConstants() reads in a CST_CODE_CE_SELECT record, e.g. select

Hi Eli, Thanks for the advice! By delaying processing the "select" until we have resolved other records(like "aggregate " in this case) as you did for "shuffle", the test case passes now. But I wonder if it's an ultimate solution: what if the selector of a "select" is the output of another forward-reference "select" that hasn't been