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2019 Mar 14
2
inline assembly matching error
...r: <jal> "<inline asm>:1:2: error: invalid instruction" which is due to the fact that MatchInstructionImpl() returns Match_MnemonicFail. This function is tablegen'ed in XXXGenAsmMatcher.inc and for some reason it can't find JAL even though I can clearly see it in both MatchTable0[] and MnemonicTable The input was int main () { asm volatile ("JAL"); return 0; } If I go to JAL's definition in XXXInstrInfo.td and change its assembly string from "JAL" to "jal", it works. How can I keep using uppercase characters? It seems to be a minor sett...