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path: root/source/slang/slang-ir-autodiff-cfg-norm.cpp
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2025-07-01extend fiddle to allow custom lua splices in more places (#7559)Ellie Hermaszewska
* 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
2025-06-17AD cleanup for 'break' replacement (#7456)kaizhangNV
close #4187. This PR makes some cleanup on the variable name. During CFG normalization, we introduce a variable to replace the break, but the variable indicates that we should continue running the loop if it's true, and break the loop if it's false. Previously we named this variable as 'breakVar', which is opposite to its purpose. So rename it to keepRunning.
2025-06-12Fix intermittent debug failures with Debug build (#7369)Jay Kwak
This PR replaces enable/disable style C function calls with C++ RAII style code. In debug build, when an assertion failed in between enable and disable functions, an exception is thrown and the disable function is not called. RAII style code is safer for an exception
2025-01-20Fix def-use issue from multi-level break elimination (#6134)Sai Praveen Bangaru
2024-11-05Move switch statement bodies to their own lines (#5493)Ellie Hermaszewska
* Move switch statement bodies to their own lines * format --------- Co-authored-by: Yong He <yonghe@outlook.com>
2024-10-29formatEllie Hermaszewska
* format * Minor test fixes * enable checking cpp format in ci
2023-10-04SPIRV compiler performance fixes. (#3258)Yong He
* SPIRV compiler performance fixes. * Cleanup. * update project files * Cleanup debug code. * Make redundancy removal non-recursive. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-09-26Handle the case where the parent if-else region's after-block is ↵Sai Praveen Bangaru
unreachable. (#3241) Also added a test for this. Co-authored-by: Yong He <yonghe@outlook.com>
2023-09-23More `slangpy` features + polishing (#3233)Sai Praveen Bangaru
* Update user-guide with new slangpy features * More polishing of new slangpy docs * Update a1-02-slangpy.md * Only require contiguity for vector element types * Added `loadOnce/storeOnce` and subscript operations * Added docs, `DiffTensorView.dims()` & `DiffTensorView.stride(uint)` * Add constructors, remove storeOnce/loadOnce test * Adjusted intrinsic definitions
2023-08-30Fix subtle corner-case with vars getting hoisted out of the loop creating ↵Sai Praveen Bangaru
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 --------- Co-authored-by: winmad <winmad.wlf@gmail.com> Co-authored-by: Yong He <yonghe@outlook.com>
2023-08-18Allow loop counters to be used as constexpr arguments. (#3139)Yong He
* Allow loop counters to be used as constexpr arguments. * Fix. * Fix. * Fix. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-08-17Be more careful about merge blocks during loop inversion (#3136)Ellie Hermaszewska
* fix block eater * Be more careful about merge blocks during loop inversion * Restrict loop inversion to loops without continue jumps * Remove multiple back-edges from loops for SPIR-V * Wiggle cross compile test output * Make loop-inversion more conservative * Allow loops on false side in cfg normalization * Do not set loop continue block during inversion * Add loop inversion test to failing test list for spirv * Simplify single use continue blocks in spirv legalization * wobble expected failure list --------- Co-authored-by: Yong He <yonghe@outlook.com>
2023-05-31Fix def-use legalization in CFG normalization. (#2909)Yong He
Co-authored-by: Yong He <yhe@nvidia.com>
2023-05-30Fix type checking & loop value hoisting (#2907)Yong He
* Fix type checking crash in language server. * Fix loop var hoisting logic. Fixes #2903. * fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-04-25Dictionary using lowerCamel (#2835)jsmall-nvidia
* #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.
2023-04-21Refactor checkpointing policy and availability pass. (#2826)Yong He
Co-authored-by: Yong He <yhe@nvidia.com>
2023-04-12Combine lookupWitness lowering with specialization. (#2794)Yong He
2023-03-22Type legalization and autodiff bug fixes. (#2722)Yong He
* Bug fixes. * Fix. * Only perform autodiff for functions whose derivative is actually used. * Fix loop optimize bug. * Fix high order diff. * Fix trivial diff func generation. * Fixes. * Cleanup. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-28AD: Fixed do-while loops (#2683)Sai Praveen Bangaru
* WIP: Fix for do-while loops * Added a somewhat hacky fix for do-while loops * Redid the indexed region map builder step to fix issue with the nested loops test * rename * Used managed pointers
2023-02-27More fixes for reverse-mode on complicated loops (#2675)Sai Praveen Bangaru
* Multiple fixes to get various loop tests to pass. * Create reverse-nested-loop.slang * Fix for variables becoming inaccessible during cfg normalization * Removed comments and moved break-branch-normalization to eliminateMultiLevelBreaks * Fix. * Override liveness tests
2023-02-22Fixed hoisting of intermediate array & context vars (#2674)Sai Praveen Bangaru
Also added legalization for loops
2023-02-21Added support for simple while loops (#2667)Sai Praveen Bangaru
* Added support for simple while loops * Fix support for while loops by changing logic to grab the loop update block
2023-02-16Remove `SharedIRBuilder`. (#2657)Yong He
Co-authored-by: Yong He <yhe@nvidia.com>
2023-01-31Patched support for multi-return and fallthrough if-else with break stmts ↵Sai Praveen Bangaru
(#2617)
2023-01-30Overhauled reverse-mode control flow handling (#2608)Sai Praveen Bangaru
* Added switch-case support; fixed non-diff parameter transposition * Made region propagation much more robust. Partial loop unzip implementation * WIP: Added most loop handling code, and a test. Still untested * Added CFG Normalization pass + CFG Reversal Pass + Loop Unzipping + most loop transcription * Add single-iter-loop test. * proj files * removed comments * Update reverse-loop.slang * Removed out-of-date code * Disabled IR validation during constructSSA phase of normalizeCFG. constructSSA now reuses sharedBuilder * Moved normalizeCFG() call to prepareFuncForBackwardDiff()
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