[mlir] Make StringRefParameter
roundtrippable
#65813
Merged
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The current printer of
StringRefParameter
simply prints out the content of the string as is without escaping it any way. This leads to it generating invalid syntax, causing parser errors when read in again.This PR fixes that by adding
printString
toAsmPrinter
, allowing one to print a string that can be parsed withparseString
, using the same escaping syntax asStringAttr
.