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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>
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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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* Use DebugDeclare instead of DebugValue.
* Avoid generating illegal SPIRV.
* Improve DebugLine output.
* Fix.
* Fix.
* Misc improvements.
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* Transferring source locations when creating phi instructions
* Tracking for simple variables
* Deriving source locations for loop counters
* Printing checkpoint structure breakdown
* More readable output format
* Special behavior for loop counters
* Writing report to file
* Add slangc option to enable checkpoint reports
* Display types of checkpointed fields
* Message in case there are no checkpointing contexts
* Catch source locations for function calls
* Source cleanup
* Fix compilation warnings
* Remove stray dump()
* Provide the report through diagnostic notes
* Add missing path for sourceLoc during unzip pass
* Add tests for reporting intermediates
* Include more transfer cases for source locations
* Fix ordering in address elimination
* Fill in more holes with source location transfer
* Remove debugging line
* Reverting changes to diagnostic sink
* Simplify address elimination using source location RAII contexts
* Eliminating manual source loc transfers in forward transcription
* Fix local var adaptation to use RAII location setter
* Simplify primal hoisting logic for source location transfer
* Simplify unzipping with RAII location scopes
* Simplify transpose logic
* Cleaning up for rev.cpp
* Reverting spacing changes
* Fix mistake with source loc RAII instantiation
* Fix formatting issues
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Addresses #4698 as one approach to diagnose the potential problem.
Emit warnings when a user marks a parameter as `inout` but never writes to it in the function. A new intrinsic function `unmodified(out T)` has been added to explicitly indicate that an `inout` variable will not be modified in the function.
This is only one way to address the specific validation error in #4698. In general it seems that DXC does some more extensive checks on actual struct fields (as opposed to observing arbitrary struct writes), so that will be the next step.
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* Correctly use removeTrivialSingleIterationLoops during simplification
* remove unused variables
* Fix invalid fallthrough
---------
Co-authored-by: Yong He <yonghe@outlook.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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* Fix crash.
* Fix `[ForwradDerivative]` on member functions.
* Update comments.
* Fix crash when [BackwardDerivative] is provided but not [ForwardDerivative].
* Allow calling dynamic dispatched generic method from differentiable func.
* Fix.
---------
Co-authored-by: Yong He <yhe@nvidia.com>
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* Support `fwd_diff(bwd_diff(f))`.
* Fix.
---------
Co-authored-by: Yong He <yhe@nvidia.com>
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Co-authored-by: Yong He <yhe@nvidia.com>
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* Support `out` parameters in backward differentiation.
* Fixes.
* Fix cleanup.
---------
Co-authored-by: Yong He <yhe@nvidia.com>
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* Unify UpdateField and UpdateElement with access chain.
* Fix warnings.
Co-authored-by: Yong He <yhe@nvidia.com>
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* Reimplement address elimination pass.
* Fix error.
* Update test references.
Co-authored-by: Yong He <yhe@nvidia.com>
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