Andrew Savonichev 52053aa94f [NVPTX] Disable parens for identifiers starting with '$' ...

ptxas fails to parse such syntax:

    mov.u64 %rd1, ($str);
    fatal   : Parsing error near '$str': syntax error

A new MCAsmInfo option was added because InParens parameter of
MCExpr::print is not sufficient to disable parens
completely. MCExpr::print resets it to false for a recursive call in
case of unary or binary expressions.

Targets that require parens around identifiers that start with '$'
should always pass MCAsmInfo to MCExpr::print.
Therefore 'operator<<(raw_ostream &, MCExpr&)' should be avoided
because it calls MCExpr::print with nullptr MAI.

Differential Revision: https://reviews.llvm.org/D123702

2022-04-17 18:02:33 +03:00

36 KiB

Raw Blame History

View Raw