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* Fix 7723 - Add autodiff tests
* Update bug-1.slang
Adding Vulkan
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close #6286.
This PR is to improve the diagnostics for no_diff usage.
In a differentiable function, any calls to a non-diff function with constant arguments should not require no_diff attribute.
This PR adds this extra check at `checkAutoDiffUsages` where it checks the differentiability on IR.
In a differentiable method, we will force to use `[NoDiffThis]` attribute if there is access to non-differentiable `This` type. Once this access is detected we will report a warning to bring users attention that this access won't generate any derivative, they have to use `[NoDiffThis]` to suppress that warning.
This PR adds this check at type checking stage, because it's the easiest way to find out all the `This` accesses.
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differentiable functions (#5866)
* Overhauled the auto-diff system for dynamic dispatch
* More fixes
* remove intermediate dumps
* Update slang-ast-type.h
* More fixes + add a workaround for existential no-diff
* Update reverse-control-flow-3.slang
* remove dumps
* remove more dumps
* Delete working-reverse-control-flow-3.hlsl
* Cleanup comments + unused variables
* More comment cleanup
* Add support for lowering `DiffPairType(TypePack)` & `MakePair(MakeValuePack, MakeValuePack)`
* Fix array of issues in Falcor tests.
* Update slang-ir-autodiff-pairs.cpp
* More fixes for Falcor image tests
* Small fixups.
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Transfer offset decorations when legalizing laid-out structs
Struct legalization removing fields not representable in memory should transfer all
decorations in case the struct has already had offsets calculated.
Closes #5264.
* format code
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Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
Co-authored-by: Yong He <yonghe@outlook.com>
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* Handle out/inout functions with separate consideration
* Fixing bug with passing aliasable instructions
* Handle autodiff functions (fwd and rev) in warning system
* Handling interface methods
* Handling ref parameters like out/inout
* Temporary fix to remaining bugs
* Refactoring methods and tests
* Recursive check for empty structs
* Using default initializable interface in tests
* Resolving CI fail
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* Support visibility control and default to `internal`.
* Fix wip.
* Fixes.
* Fix.
* Fix test.
* Add legacy language detection and compatibility for existing code.
* Add doc.
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Co-authored-by: Yong He <yhe@nvidia.com>
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unnecessary loop state (#3165)
* Extend the unit tests for MxLayeredMaterial
* Add breaking loop test
* Fix subtle corner-case with vars getting hoisted out of the loop creating unnecessary loop state
* remove whitespace changes
* Create loop-init.slang.expected.txt
* Add filecheck tests to ensure correct loop state
* Update comment
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Co-authored-by: winmad <winmad.wlf@gmail.com>
Co-authored-by: Yong He <yonghe@outlook.com>
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defining custom derivatives (#2947)
* Issue diagnostic for incorrect directionality when defining custom derivative
* Better diagnostics on invalid custom derivatives
* Avoid duplicating `getParameterDirection()`
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Co-authored-by: Yong He <yonghe@outlook.com>
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* Add a test for the new diff material system
* Various fixes for AD
- inout primal context params converted to out params,
- added attributed types to list of stored types
- used differentiated primal func type instead of type of differentiated func to avoid tangling with user-code differential types.
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Co-authored-by: Lifan Wu <lifanw@nvidia.com>
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