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d41416
2018 Jan 04
1
InstAlias with tied operands - can it be supported?
Hi Daniel,
I defined checkEarlyTargetMatchPredicate() to explicitly check for the
tied operands, and it worked.
I could define an alias like: InstAlias<"oldOP $rd, $rd, $rs1", (NEWOP
$rd, $rs1)>
However, I had to additionally change AsmMatcherEmitter 'Hack' variable
setting to allow the repeated operand $rd in the AsmString.
Do you or anyone else know the history