Tomasz Miąsko 6846674c75 Emit LLVM optimization remarks when enabled with -Cremark
The default diagnostic handler considers all remarks to be disabled by
default unless configured otherwise through LLVM internal flags:
`-pass-remarks`, `-pass-remarks-missed`, and `-pass-remarks-analysis`.
This behaviour makes `-Cremark` ineffective on its own.

Fix this by configuring a custom diagnostic handler that enables
optimization remarks based on the value of `-Cremark` option. With
`-Cremark=all` enabling all remarks.
2021-11-16 08:19:20 +01:00
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2021-09-20 22:21:42 -04:00