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* bottleneck ir module reading and writing
* compute/simple working
* more complex tests working
* neaten
* factor out SourceLoc serialization
* document changes
* Appease clang
* Correct name serialization
* remove unnecessary code
* neaten
* neaten
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* Remove support for ad hoc Slang IR compression
This change is part of a larger effort to clean up the approach to
serialization in the Slang compiler. The overall goal is to simplify
and streamline all of the serialization-related logic, so that we are
left with code that is less "clever," and easier to understand for
contributors to the codebase.
Removing support for compression of serialized Slang IR has
benefits that include:
* Reduction in code complexity: consider things like the subtle way
that the `FOURCC`s for compressed chunks were being computed from
the uncompressed versions, and the mental overhead that goes into
understanding that, for anybody who would dare to touch this code.
* Reduction in testing burden: there have been, de facto, two
very different code paths for serialization of the Slang IR, and
it is not clear that the existing test corpus for Slang has
sufficient coverage for both options. By having only a single code
path, every test that performs any amount of IR serialization helps
with test coverage of that one path.
* Opportunity to explore alternatives. This is perhaps a reiteration
of the first point, but once the code is stripped down to the
simplest thing that could possibly work (I am not claiming it has
reached that point yet), it becomes easier for contributors to
understand, and it becomes more tractable for somebody to come along
with an improved approach that performs better (in either
compression ratio or performance) while still being maintainable.
In my own local setup, I found that removing support for Slang IR
compression led to the `slang-core-module-generated.h` file increasing
in size from 46.1MB to 47.4MB. This increase in the `.h` file size
for the core library binary only resulted in a release build of
`slang.dll` increasing from 20.0MB to 20.2MB. Removing the ad hoc
compression support has almost no impact on the size of actual binary
Slang modules *so long* as the additional LZ4 compression step is
being applied to them.
* format code
---------
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
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* Move switch statement bodies to their own lines
* format
---------
Co-authored-by: Yong He <yonghe@outlook.com>
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* format
* Minor test fixes
* enable checking cpp format in ci
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* #include an absolute path didn't work - because paths were taken to always be relative.
* Split out compiler-core initially with just slang-source-loc.cpp
* More lexer, name, token to compiler-core.
* Split Lexer and Core diagnostics.
* Move slang-file-system to core.
* Add slang-file-system to core.
* More DownstreamCompiler into compiler-core
* Fix typo.
* Add compiler-core to bootstrap proj.
* Small fixes to premake
* For linux try with compiler-core
* Remove compiler-core from examples.
* Added NameConventionUtil to compiler-core
* Add global function to CharUtil to *hopefully* avoid linking issue.
* Hack to make linkage of CharUtil work on linux.
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* Fix IR serialization to use 16bits for opcode.
* Undo accidental comment change.
* Use variable length encoding for opcode.
* Fixing issues
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* First pass at generalizing serializer.
* Split out ReflectClassInfo
* Use the general ReflectClassInfo
* Fix some typos in debug generalized serialization.
* Add calculation of classIds.
Make distinct addCopy/add on SerialClasses.
* Write up of more generalized serialization
* WIP to transition from ASTSerialReader/Writer etc to generalized SerialReader/Writer and associated types.
* Improvements to SerialExtraObjects.
Keep RefObjects in scope in factory
* Compiles with Serial refactor - doesn't quite work yet.
* First pass serialization appears to work with refector.
* Split out type info for general slang types.
* Split out slang-serialize-misc-type-info.h
* DebugSerialData -> SerialSourecLocData
DebugSerialReader -> SerialSourceLocReader
DebugSerialWriter -> SerialSourceLocWriter
* Remove unused template that only compiles on VS.
* Fix warning around unused function on non-VS.
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* Test if blob is returned.
* Rename serialize files so can be grouped.
* StringRepresentationCache -> SerialStringTable
* Split out SerialStringTable from slang-serialize-ir
* First pass at reorganizing serialization/containers. Remain some issues about debug info.
* Fix bug in calculating sourceloc.
* Improve calcFixSourceLoc
* Make allocations for payload RiffContainer align to at least 8 bytes. This is important for read, if the payload can contain 8 byte aligned data. Note this has no effect on Riff file format alignment rules.
* Improve comments around RiffContainer and alignment.
* Remove SerialStringTable, can just use StringSlicePool instead.
* Typo fix for Clang/Linux.
Co-authored-by: Tim Foley <tfoleyNV@users.noreply.github.com>
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