`parseAttribute` and `parseType` require null-terminated strings as
input, but this isn't great considering the argument type is
`StringRef`. This changes them to copy to a null-terminated buffer by
default, with a `isKnownNullTerminated` flag added to disable the
copying.
closes#58964
Reviewed By: rriddle, kuhar, lattner
Differential Revision: https://reviews.llvm.org/D145182
Currently these functions report errors directly to stderr, this updates
them to use diagnostics instead. This also makes partially-consumed
strings an error if the `numRead` parameter isn't provided (the
docstrings already claimed this happened, but it didn't.)
While here I also tried to reduce the number of overloads by switching
to using default parameters.
Reviewed By: rriddle
Differential Revision: https://reviews.llvm.org/D144804
The current splicing behavior dates back to when all blocks had terminators,
so we would "helpfully" splice before the terminator. This doesn't make sense
anymore, and leads to somewhat unexpected results when parsing multiple
pieces of IR into the same block.
Differential Revision: https://reviews.llvm.org/D135096
This is very useful when you want to parse IR even if
its invalid (e.g. bytecode). It's also useful if you don't
want to pay the cost of verification in certain situations.
Differential Revision: https://reviews.llvm.org/D134847
