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
- Used to mark fake instructions which don't correspond to an actual machine instruction (or are duplicates of a real instruction). This is to be used for "special cases" in the .td files, which should be ignored by things like the assembler and disassembler. We still need a good solution to handle pervasive duplication, like with the Int_ instructions. - Set the bit on fake "mov 0" style instructions, which allows turning an assembler matcher warning into a hard error. - -2 FIXMEs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78731 91177308-0d34-0410-b5e6-96231b3b80d8