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* Rename some symbols related to pointers types (#8592)Theresa Foley2025-10-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Note that while this change touched a large numer of files, there are no changes to functionality being made here. The only things being done are renaming various symbols and, in a few cases, updating or adding comments for consistency with the new names. The core of the naming changes are: * Most things named to refer to `OutType` (e.g., `IROutType`, `IRBuilder::getOutType()`, etc.) have been consistently renamed to refer to `OutParamType`, to emphasize that the relevant AST/IR node types are only intended for use to represent `out` parameters. * The same change as described above for `OutType` is also made for `RefType`, which becomes `RefParamType` in most cases. One mess that this exposes is the way that the `ExplicitRef<T>` type in the core module currently lowers to `IRRefParamType`. This change sticks to the rule of not making functional changes, so that mess is left as-is for now. * Names referring to `InOutType` have been changed to instead refer to `BorrowInOutType`. The intention with this naming change is to emphasize that the Slang rules for `inout` are semantically those of a borrow (or at least our interpretation of what a borrow means). * Names referring to `ConstRefType` have been changed to instead refer to `BorrowInType`. This change starts work on clarifying that the existing `__constref` modifier was never intended to be a read-only analogue of `__ref`, and instead is the input-only analogue of `inout`. * The `ParameterDirection` enum type has been changed to `ParamPassingMode`, to reflect the fact that the concept of "direction" fails to capture what is actually being encoded, particularly once we have modes beyond simple `in`/`out`/`inout`. While this change does not alter behavior in any case (the user-exposed Slang language is unchanged), it is intended to set up subsequence changes that will work to make the handling of these types in the compiler more nuanced and correct. Breaking this part of the change out separately is primarily motivated by a desire to minimize the effort for reviewers. --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* Initial copy elision pass (#8042)ArielG-NV2025-08-07
| | | | | | | | | | | | | | | | | | | | | | Fixes #7574 Changes: * Add an initial (fairly simple) optimization pass which is able to eliminate redundant copies. * Our current existing optimizer passes remove redundant load/store very robustly, this pass will focus on other cases of copy elimination * Primary approach is to make all functions which are `in T` and `T` is trivial to copy into a `__constref T`. We then (depending on scenario) manually insert a variable+load if a pass-by-reference is not possible; otherwise we pass by `constref`. * Added optimizations to eliminate redundant code which causes `constref` to fail to compile --------- Co-authored-by: Harsh Aggarwal <haaggarwal@nvidia.com> Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: slangbot <ellieh+slangbot@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* extend fiddle to allow custom lua splices in more places (#7559)Ellie Hermaszewska2025-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add fkYAML submodule * Generate slang-ir-inst-defs.h from slang-ir-inst-defs.yaml * generate ir-inst-defs.h * neaten things * neaten inst def parser * add rapidyaml submodule * remove fkyaml * remove fkyaml submodule * remove use of ir-inst-defs.h * format and warnings * fix wasm build * tidy * remove rapidyaml * Extend fiddle to allow custom splices in more places * Use lua to describe ir insts * fix * neaten * neaten * neaten * spelling * neaten * comment comment out assert * merge
* Add optix support for coopvec (#7286)Mukund Keshava2025-06-10
| | | | | | | | | | | | | * WiP: Add coopvec support for Optix * format code * fix minor issues * Fix review comments --------- Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* Fix RWStructuredBuffer emission (#7139)Mukund Keshava2025-05-16
| | | Fixes #7127
* Add Slang-specific intrinsics for integer pack/unpack (#6459)Darren Wihandi2025-02-28
| | | | | | | | | | | | | | | | | | | | | * update hlsl meta * update test * use slang syntax in meta file * improve meta file * fix pack clamp u8 * remove builtin packed types, use typealias instead * fix wgsl pack clamp * fix formatting --------- Co-authored-by: Yong He <yonghe@outlook.com>
* Refactor _Texture to constrain on texel types. (#6115)Yong He2025-01-17
| | | | | | | | | * Refactor _Texture to constrain on texel types. * Fix tests. * Fix. * Disable glsl texture test because rhi can't run it correctly.
* Lower varying parameters as pointers instead of SSA values. (#5919)Yong He2025-01-07
| | | | | * Add executable test on matrix-typed vertex input. * Fix emit logic of matrix layout qualifier. * Pass fragment shader varying input by constref to allow EvaluateAttributeAtCentroid etc. to be implemented correctly.
* Add packed 8bit builtin types (#5939)Darren Wihandi2024-12-26
| | | | | * Add packed bytes builtin type * fix test
* Move switch statement bodies to their own lines (#5493)Ellie Hermaszewska2024-11-05
| | | | | | | | | * Move switch statement bodies to their own lines * format --------- Co-authored-by: Yong He <yonghe@outlook.com>
* Write only texture types. (#5454)Yong He2024-10-30
| | | | | | | | | | | | | | | | * Add support for write-only textures. * Fix capabilities. * Fix implementation. * Fix. * format code --------- Co-authored-by: Ellie Hermaszewska <ellieh@nvidia.com> Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
* formatEllie Hermaszewska2024-10-29
| | | | | | | * format * Minor test fixes * enable checking cpp format in ci
* Initial `Atomic<T>` type implementation. (#5125)Yong He2024-09-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Initial Atomic<T> type implementation. * Update design doc. * Fix. * Add test. * Fixes and add tests. * Fix WGSL. * Fix glsl. * Fix metal. * experiemnt with github metal. * experiment github metal 2 * github metal experiment 3 * experiment with github metal 4. * experiment with metal 5. * experiment 7. * metal experiment 8. * Fix metal tests. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Remove use of `G0` and `__target_intrinsic` in stdlib. (#4170)Yong He2024-05-14
| | | | | | | * Remove use of `G0` and `__target_intrinsic` in stdlib. * Fix. * Fix calling intrinsic in global scope.
* Add host shared library target. (#4098)Yong He2024-05-03
| | | | | | | | | | | | | * Add host shared library target. * Attempt fix. * Fix warnings. * try fix. * Fix test. * Fix.
* Support emitting generic target_intrinsic type. (#3745)Yong He2024-03-12
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* Refactor compiler option representations. (#3598)Yong He2024-02-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | * Refactor compiler option representation. * Fix binary compatibility. * Add a test for specifying compiler options at link time. * Fix binary compatibility. * Fix binary compatibility. * Fix backward compatibility on matrix layout. * Fix. * Fix. * Fix. * Fix gfx. * Fix gfx. * Fix dynamic dispatch. * Polish.
* Add per-buffer data layout control. (#3551)Yong He2024-02-05
| | | | | | | | | | | | | * Add per-buffer data layout control. Fixes #3534. * Fixes. * Robustness. * Update test. * Fix.
* Unify stdlib `Texture` types into one generic type. (#3327)Yong He2023-11-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Unify Texture types in stdlib into 1 generic type. * Fixes. * Fix. * Fixes. * Fix reflection. * Fix binding reflection. * Add gather intrinsics. * Fix gather intrinsics. * Fix texture type toText. * Fix intrinsic. * fix cuda intrinsic. * Fix project files. * cleanup. * Fix. * Fix. * Fix sampler feedback test. * Fix getDimension intrinsics. * Fix spirv sample image intrinsics. * Fix test. * Fix GLSL intrinsic. * Cleanup. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Add `requirePrelude()` intrinsic function. (#3250)Yong He2023-09-29
| | | | | | | | | * Add `requirePrelude()` intrinsic function. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Support `constref` parameters passing. (#3249)Yong He2023-09-28
| | | | | | | | | | | | | | | * Support `constref` parameters passing. * Fix. * Fix. * Add test and diagnostic on mix use of __constref and no_diff. * check for [constref] on differentiable member method. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Avoid make copies of __ref parameters when doing autodiff. (#3242)Yong He2023-09-27
| | | Co-authored-by: Yong He <yhe@nvidia.com>
* Add `target_switch` and `intrinsic_asm` statement. (#3154)Yong He2023-08-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add `target_switch` and `__intrinsic_asm` statement. * Cleanup. * WaveGetActiveMask, WaveGetActiveMask, WaveCountBits. * WaveIsFirstLane. * More wave intrinsics. * wave intrinsics. * merge fix. * Fix. * Fix. * Update test. * update test. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Lower all ByteAddressBuffer uses for SPIRV. (#3143)Yong He2023-08-23
| | | Co-authored-by: Yong He <yhe@nvidia.com>
* Support per field matrix layout (#3101)Yong He2023-08-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | * Support per field matrix layout * Fix warnings. * Fix. * Fix tests. * Fix spiv gen. * Fix. * More test fixes. * Fix. * Run only GPU tests on self-hosted servers. * Remove -use-glsl-matrix-layout-modifier. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Fix native string emit for CUDA/Cpp backend. (#2980)Yong He2023-07-12
| | | Co-authored-by: Yong He <yhe@nvidia.com>
* Fix for operator assignment issue (#2951)jsmall-nvidia2023-06-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * WIP handling LValue coercion via LValueImplicitCast * Need to have the ptr type for the cast. * Casting conversion working on C++. * Make the LValue casts record if in or in/out as we can produce better code if we know the difference. * WIP LValueCast pass * Fix tests so we don't fail because downstream compilers detect use of uninitialized variable. * Do conversions through through tmp for l-value scenarios that can't work other ways. * Fix a typo. * Change diagnostic implicit-cast-lvalue for a type that still exhibits the issue. * Add matrix test. * Added a bit more clarity around LValue casting choices. * Small comment improvements. Improvements based on comments on PR. * Use findOuterGeneric.
* Various fixes for autodiff and slangpy. (#2876)Yong He2023-05-09
| | | | | | | | | | | | | * Various fixes for autodiff and slangpy. * Fix cuda code gen for `select`. * Fix getBuildTagString(). * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Fix most of the disabled warnings on gcc/clang (#2839)Ellie Hermaszewska2023-04-26
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* StringBuilder to lowerCamel (#2840)jsmall-nvidia2023-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * WIP lowerCamel Dictionary. * WIP more lowerCamel fixes for Dictionary. * Add/Remove/Clear * GetValue/Contains * Fix tabs in dictionary. Count -> getCount * Fix fields with caps. * Key -> key Value -> value Use m_ for members where appropriate. Use lowerCamel in linked list. * Some small fixes/improvements to Dictionary. * Kick CI. * Small tidy on String. * Append -> append * ToString -> toString ProduceString -> produceString * Small fixes. * StringToXXX -> stringToXXX * Fix typo introduced by Append -> append. * Made intToAscii do reversal at the end. --------- Co-authored-by: Yong He <yonghe@outlook.com>
* Dictionary using lowerCamel (#2835)jsmall-nvidia2023-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * WIP lowerCamel Dictionary. * WIP more lowerCamel fixes for Dictionary. * Add/Remove/Clear * GetValue/Contains * Fix tabs in dictionary. Count -> getCount * Fix fields with caps. * Key -> key Value -> value Use m_ for members where appropriate. Use lowerCamel in linked list. * Some small fixes/improvements to Dictionary. * Kick CI.
* Fix missing `f` suffix for float lits in CUDA backend. (#2791)Yong He2023-04-11
| | | Co-authored-by: Yong He <yhe@nvidia.com>
* Emit simpler vector element access code. (#2770)Yong He2023-04-03
| | | | | | | | | * Emit simpler vector element access code * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Translate all composed types into tuple types in pyBind. (#2744)Yong He2023-03-27
| | | | | | | | | | | * Translate all composed types into tuple types in pyBind. * Delete temp file. * Fix get tuple element code emit logic. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Add PyTorch C++ binding generation. (#2734)Yong He2023-03-26
| | | | | | | | | * Add PyTorch C++ binding generation. * fix --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Support for producing SourceMap on emit (#2707)jsmall-nvidia2023-03-17
| | | | | | | | | | | | | | | | | | | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * WIP source map. * Split out handling of RttiTypeFuncs to a map type. * Make RttiTypeFuncsMap hold default impls. * Slightly more sophisticated RttiTypeFuncsMap * Source map decoding. * Fix tabs. * Fix asserts due to negative values. * Use less obscure mechanisms in SourceMap. * Source map decoding. Simplifying SourceMap usage. * First attempt at ouputting a source map as part of emit. * Added support for -source-map option. SourceMap is added to the artifact.
* More control flow simplifications. (#2673)Yong He2023-02-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * More control flow and Phi param simplifications. * Fix. * Fix gcc error. * Fix. * More IR cleanup. * Fix bug in phi param dce + ifelse simplify. * Propagate and DCE side-effect-free functions. * Enhance CFG simplifcation to remove loops with no side effects. * Fix. * Fixes. * Fix tests. Add [__AlwaysFoldIntoUseSite] for rayPayloadLocation. * More cleanup. * Fixes. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Overhaul global inst deduplication and cpp/cuda backend. (#2654)Yong He2023-02-16
| | | | | | | | | * Overhaul global inst deduplication and cpp/cuda backend. * Update IR documentation. --------- Co-authored-by: Yong He <yhe@nvidia.com>
* Fix code generation for matrix reshape. (#2568)Yong He2022-12-14
| | | Co-authored-by: Yong He <yhe@nvidia.com>
* Rename IR opcodes to unify style. (#2556)Yong He2022-12-07
| | | Co-authored-by: Yong He <yhe@nvidia.com>
* Rework differential conformance dictionary checking. (#2483)Yong He2022-11-02
| | | | | | | * Rework differential conformance dictionary checking. * Revert space changes. Co-authored-by: Yong He <yhe@nvidia.com>
* Run simple compute kernel in gfx-smoke test. (#2400)Yong He2022-09-15
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* Language feature: pointer sized int types. (#2401)Yong He2022-09-15
| | | | | | | | | | | | | | | | | | | | | * Language feature: pointer sized int types. * Fix. * small change to test. * Fix stdlib. * Fix. * Fix. * Add typedef for `size_t` in stdlib. * Fix test. * Add `intptr_t::size` constant. Co-authored-by: Yong He <yhe@nvidia.com>
* Assorted Artifact improvements (#2374)jsmall-nvidia2022-08-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * WIP replacing DownstreamCompileResult. * First attempt at replacing DownstreamCompileResult with IArtifact and associated types. * Small renaming around CharSlice. * ICastable -> ISlangCastable Added IClonable Fix issue with cloning in ArtifactDiagnostics. * Only add the blob if one is defined in DXC. * Guard adding blob representation. * Make cloneInterface available across code base. Set enums backing type for ArtifactDiagnostic. * Added ::create for ArtifactDiagnostics. * Use SemanticVersion for DownstreamCompilerDesc. Set sizes for enum types. * Depreciate old incompatible CompileOptions. Change SemanticVersion use 32 bits for the patch. * Split out CastableUtil. * Change IDownstreamCompiler to use canConvert and convert to use artifact types. * Fix typos. * Fix typo bug. Allow trafficing in PTX assembly/binaries * struct DownstreamCompilerBaseUtil -> struct DownstreamCompilerUtilBase * Add other riff types. * Small fix around artifact kind. * Make using slices instead of strings explicit on atomic ref counted types. (not complete). Added IArtifactList. Use IArtifactList to hold the 'associated' files. Use IUnknown for scoping for atomic ref counting. Small naming improvements. * Make artifact not use String in construction (so it owns contents). * Calculate compile products as artifacts. * Small improvements around ArtifactDesc. * Use ICastableList for list of artifacts and remove IArtifactList.
* Call `gfx` in slang program. (#2370)Yong He2022-08-20
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* Artifact split interface and implementation (#2349)jsmall-nvidia2022-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * #include an absolute path didn't work - because paths were taken to always be relative. * WIP with hierarchical enums. * Some small fixes and improvements around artifact desc related types. * Improvements around hierarchical enum. * Fixes to get Artifact types refactor to be able to execute tests. * Attempt to better categorize PTX. * Work around for potentially unused function warning. * Typo fix. * Simplify Artifact header. * Small improvements around Artifact kind/payload/style. * Added IDestroyable/ICastable * Add IArtifactList. * First impl of IArtifactUtil. * Use the ICastable interface for IArtifactRepresentation. * Added IArtifactRepresentation & IArtifactAssociated. * Add SLANG_OVERRIDE to avoid gcc/clang warning. * Fix calling convention issue on win32. * Fix missing SLANG_OVERRIDE. * First attempt at file abstraction around Artifact. * Added creation of lock file. * Move functionality for determining file paths to the IArtifactUtil. Add casting to ICastable. * Added some casting/finding mechanisms. * Simplify IArtifact interface, and use Items for file reps. * Fix problem with libraries on DXIL. * Split out ArtifactRepresentation. * Move ArtifactDesc functionality to ArtifactDescUtil. ArtifactInfoUtil becomes ArtifactDescUtil. * Split implementations from the interfaces for Artifact. * Use TypeTextUtil for target name outputting. * Add artifact impls.
* Allow `class` to implement COM interface, [DLLExport] (#2338)Yong He2022-07-25
| | | | | | | * Allow `class` to implement COM interface, [DLLExport] * Fix [COM] usage in tests and examples with UUIDs. Co-authored-by: Yong He <yhe@nvidia.com>
* Support `class` types. (#2321)Yong He2022-07-12
| | | | | | | | | * Support `class` types. * Ignore class-keyword test * Fix codereview comments and warnings. Co-authored-by: Yong He <yhe@nvidia.com>
* Native call marshalling for ComPtr parameters and return values. (#2305)Yong He2022-06-29
| | | Co-authored-by: Yong He <yhe@nvidia.com>
* Add CPU executable compile test (#2278)Yong He2022-06-21
| | | | | | | | | | | * Add cpu executable compile test * Fix. * Fix permission on linux * retrigger build Co-authored-by: Yong He <yhe@nvidia.com>
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