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* Simplify lookup.
* Various bug fixes.
* Report type dictionary size in perf benchmark.
* Remove type duplication.
* increase initial dict size.
* Bug fix.
* Fix bugs.
* Fixup.
* Revert type legalization looping.
* Fix specialization pass.
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Clean up type checking of higher order expressions.
* Replace `goto` with `break` to pacify clang.
* Fix.
* Fixes.
* Fix more tests.
* Fix lowerWitnessTable parameter error.
* Exclude attributes from ast printing.
Co-authored-by: Yong He <yhe@nvidia.com>
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* ShortList<T> and core.natvis improvements.
* Fix gcc build.
* add `getBuffer()` accessor to `GetArrayViewResult`
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* WIP on serialize/save state.
* Relative string encoding.
* Added RelativeContainer unit test.
Split out RelativeContainer into core.
* Fix bug in RelativeString encoding.
* More work around relative container.
* Fix checks.
* Use RelativeBase for safe access.
Use malloc/free/realloc instead of List.
* Add natvis support for relative types.
* Setting up of state (not includes) writing of repro state.
* Capture after spCompile.
* Writing SourceFile and file system files.
Added -dump-repo
* First pass at loading state.
* First pass at reading repro.
* Small optimization around Safe32Ptr
* Refactor how repro data is stored - to make saving off the files more simple, by having all all backed by 'files'.
Make file loading always set up PathInfo so we get uniqueIdentifier info.
* Generate unique file names.
* Added RelativeFileSystem
Added saveFile to ISlangFileSystemExt and implemented for interfaces
Added mechanism to save of files (and manifest)
* Added ability to replace files in repo with directory holding their contents.
* Add support for entry points.
* Fix problem compiling on linux.
* Added SIMPLE_EX option, where everything on command line must be specified.
* Fix typo in unit test for relative container.
* Fix another typo in unit test for RelativeContainer.
* Fix small bugs.
* Fix release unused variable issue in slang-state-serialize.cpp
* Fix checking for SIMPLE_EX in testing, else broke COMMAND_LINE_SIMPLE.
* Fix warnings on 32 bit debug build.
* Added import-subdir-search-path-repro.slang test. Although disabled for now as writes to root of slang project.
* Remove wrong version of import-subdir-search-path-repro.slang
* Added import-subdir-search-path-repro.slang
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Previously, interface types were allowed to be used directly as function parameters, local variables, and global shader parameters.
Using an interface type as a field of a `struct` type or a `cbuffer` declaration was not implemented.
This change adds that support, and fixes several unrelated issues that caused problems in doing so.
* The most important work here was adding a case for `IRStructType` to `maybeSpecializeBindExistentialsType` that creates a specialized variant of a `struct` type on-demand based on specialization operands. This logic loops over the fields of the original struct, and creates new fields by binding the existentials/interfaces in the type of each field. Caching is used to ensure that the same `struct` type specialized to the same operands should yield the same result.
* To allow subsequent specialization to occur when a `struct` with interface-type fields is used, it was also necessary to specialize field-address and field-extract instructions in cases where the value that the field is being extracted from is a `wrapExistential`.
* Similarly, we neede to make sure that the logic for specializing called functions based on the concrete types for interfaces in the argument list would also take into account `struct` types with existential-type fields inside of them.
* Doing the above changes revealed some serious flaws in how the `ir-specialize.cpp` logic was tracking which instructions still needed to be processed. It had previously been assuming that it could assume any relevant instructions were on its work list, and when the work list went empty it could exit. This runs into two problems: (1) sometimes we create new instructions when specializing, and it may be impossible to ensure that all the new instructions (e.g., those created by utility routines in other files) get added to the work list, and (2) sometimes the instruction(s) that need to be re-visited when we specialize something aren't its direct users, but instead somethign that transitively depends on the instruction.
These issues were fixed by two changes to the pass: (1) we now maintain a list of known "clean" instructions instead of implicitly using the work-list as a list of "dirty" instructions (so that implicitly any new instruction is dirty), and periodically iterating over all instructions to add the non-clean ones to the work list for processing, and (2) when an instruction is specialized/replaced we mark everything that transitively depends on it "dirty" (by removing it from the "clean" list).
* Added some logic to "fix up" the type of an IR function after changes that might modify its parameter list. Failing to have this logic meant that certain types were still live (because they were referenced by a function type) that couldn't actually be emitted as legal HLSL/GLSL.
* Added some special cases to IR instruction creation for `wrapExistential` and `BindExistentialsType` so that they act as no-ops when there are no "slots" providing specialization information. This helps avoid some special cases when specializing structure fields (since some fields specialization and others don't, so in general there are zero or more operands specific to each field).
* Added a test case that uses an interface type in a `cbuffer`, as well as an interface type in a `struct` passed as an entry-point `uniform` parameter.
* Fixed up some parts of the `.natvis` files to reflect naming changes from a previous PR and thus restore some of the useful Visual Studio debugging experience for Slang.
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- `RefPtr` no longer tries to have distinct cases for interal-vs-external reference counts. Instead we always require an internal reference count.
- Types the used `RefPtr` but weren't `RefObject` were made to inherit `RefObject`
- The `ReferenceCounted` base class was removed, so that only `RefObject` remains
- Implicit conversion from `RefPtr<T>` to `T*` added
- This created some complicates for other types that relied on implicit conversions, so this isn't a net cleanup right now
- The main type that got messed up by the above was `String`, which previously held a `RefPtr<char, ...>`. This change thus *also* includes a major overhaul of `String`:
- `String` now holds all its data via indirection, using a `StringRepresentation` that is a `RefObject`. This object holds a length, capacity, and directly stores the character data in its allocation. This means that `sizeof(String)==sizeof(void*)`
- It is now possible to directly mutate a `String` by appending to its representation (we just need to ensure it has a reference count of `1`, possibly by cloning it). This means that `StringBuilder` is now basically just an idomatic use of `String`
- A couple operations that just return sub-ranges of a `String` now return `StringSlice` to avoid allocation when it isn't needed. This required more work.
- Indices into strings changed from `int` to `UInt` (which is pointer-sized). This had a bunch of follow-on changes because the value `-1` sometimes needs to be special-cased in code that uses indices. Further cleanups are probably needed here.
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It is always easier to add back code when you need it, than it is to maintain code you aren't using.
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Getting rid of more namespace complexity and stripping things down to the basics.
This also gets rid of some dead code in the "core" library.
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