Ingo Müller 516ccce7fa [mlir] Make the split markers of splitAndProcessBuffer configurable. (#84765) ...

This allows to define custom splitters, which is interesting for
non-MLIR inputs and outputs to `mlir-translate`. For example, one may
use `; -----` as a splitter of `.ll` files. The splitters are now passed
as arguments into `splitAndProcessBuffer`, the input splitter defaulting
to the previous default (`// -----`) and the output splitter defaulting
to the empty string, which also corresponds to the previous default. The
behavior of the input split marker should not change at all; however,
outputs now have one new line *more* than before if there is no splitter
(old: `insertMarkerInOutput = false`, new: `outputSplitMarker = ""`) and
one new line *less* if there is one. The value of the input splitter is
exposed as a command line options of `mlir-translate` and other tools as
an optional value to the previously existing flag `-split-input-file`,
which defaults to the default splitter if not specified; the value of
the output splitter is exposed with the new `-output-split-marker`,
which default to the empty string in `mlir-translate` and the default
splitter in the other tools. In short, the previous usage or omission of
the flags should result in previous behavior (modulo the new lines
mentioned before).

2024-03-14 13:55:50 +01:00

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