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Fixes: https://github.com/shader-slang/slang/issues/7634
Duplicate of PR https://github.com/shader-slang/slang/pull/8052
Primary Changes:
* Added `storeCoherent` and `loadCoherent` for coherent load/store via
pointers. This is backed by `IRMemoryScopeAttr` which is an `IRAttr`
attached to `IRLoad` and `IRStore`
* Logic in `source\slang\slang-emit-spirv.cpp` for load/store emitting
has been reworked to be less messy and more maintainable
* Add to `hlsl.meta.slang` coop vector and coop matrix coherent
load/store operations
Secondary Changes:
* Added a missing load/store test for coop matrix:
`tests\cooperative-matrix\load-store-pointer.slang`
---------
Co-authored-by: ArielG-NV <aglasroth@nvidia.com>
Co-authored-by: ArielG-NV <159081215+ArielG-NV@users.noreply.github.com>
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
Co-authored-by: Nathan V. Morrical <natemorrical@gmail.com>
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Resolves #7628
Resolves: #8197
Primary Goals:
1. Add `Access` to pointer
2. AddressSpace::GroupShared support for pointers (SPIR-V)
3. Add `__getAddress()` to replace `&`
* `&` is not updated to `require(cpu)` since slangpy uses `&`. This
means we must: (1) merge PR; (2) replace `&` with `__getAddress()`; (3)
add `require(cpu)` to `&`
Changes:
* Added to `Ptr` the `Access` generic argument & logic (for
`Access::Read`).
* Moved the generic argument `AddressSpace` from `Ptr` to the end of the
type.
* Added pointer casting support between any `Ptr` as long as the
`AddressSpace` is the same
* Disallow globallycoherent T* and coherent T*
* Disallow const T*, T const*, and const T*
* Fixed .natvis display of `ConstantValue` `ValOperandNode`
* Support generic resolution of type-casted integers
* Added `VariablePointer` emitting for spirv + other minor logic needed
for groupshared pointers
Breaking Changes:
* Anyone using the `AddressSpace` of `Ptr` will now have to account for
the `Access` argument
* we disallow various syntax paired with `Ptr` and `T*`
---------
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>
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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>
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* 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>
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* WIP looking at reflection with pointers.
* Added GetPointerLayout.
* Initial test via reflection with layout of ptr type.
* WIP handles ptrs to types that have layout that hasn't been completed.
* Move tests to ptr.
* WIP try to take into account lowering correctly between AggTypeDecl and Type, but doesn't quite work.
* WIP a different path to handling recursive lowering problem with Ptr.
* Fix issues with reflection output.
* Small tidy.
* Fix for infinite recursion issue.
* Lower IRPointerTypeLayout
* Working with generics.
Has a hack to work around Layout around Ptr in IR.
The reflection around the generic - the name isn't much use, it should probably have the generic parameters, but that would require getName to do something more sophisticated.
* Fix issue around calling finishOuterGenerics to early.
* Remove feature/ptr test.
* Fix type legalization being an infinite loop with Ptr self referencing.
* Disable the pointer self reference test because produces an infintie loop on emit.
* Fixed comment based on review.
* Fix for issue with emit and pointers causing infinite recursion.
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