Set DXIL version to 1.9 for SM6.9. Was previously 1.10.
#8091

Update spirv-tools to the v2026.1 release in preparation for the Vulkan
SDK release.

This picks up fixes for recent regressions related to debug info.

Co-authored-by: Nathan Gauër <brioche@google.com>

Remove experimental 6.10 features from the release notes. They are not
accessible in release builds.

…l and IsNormalHalf in xml#8137 (#8138)

Cherry-pick [[NFC] Execution Tests: Cleanup IsNormal and IsNormalHalf in
xml#8137
](#8137)

…ts into classes based on hlk requirement#8134 (#8139)

Cherry-Pick : [Execution Tests: Split long vector tests into classes
based on hlk
requirement#8134](#8134)

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Damyan Pepper <damyanp@microsoft.com>

…copes. (#7799)" (#8185)

This reverts commit
[450bbe5](450bbe5).

A bug was discovered and we have decided to revert this change in the
6.9 release branch while we work on the fix.

… values for shift operations (#8216)

Cherry-pick PR (#8179)

Assisted by gh copilot.

SHA
[435dbb6](435dbb6)

…in precision types to 32-bit (#8369)

Cherry-pick PR (#8274) and revert of out-of-scope changes PR (#8321)

Assisted by gh copilot.

SHA
[dc4354b](dc4354b)
SHA
[71aa195](71aa195)

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Tex Riddell <texr@microsoft.com>

…recision vector element access (#8370)

Cherry-pick PR (#8269)

Assisted by gh copilot.

Depends on: #8369

SHA
[ccba9f8](ccba9f8)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

…cases to the long vector test (#8371)

Cherry-pick PR (#8260)

Assisted by gh copilot.

Depends on: #8369, #8370

SHA
[3531468](3531468)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

… feature reference (#8372)

Cherry-pick PR (#8353)

Assisted by gh copilot.

Depends on: #8369, #8370, #8371

SHA
[f86cda3](f86cda3)

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Update SPIR-V tools submodule to commit which removes unused tools/sva
directory.

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

… stack instead of recursion (#8419)

Cherry-pick #8227 to release branch

Co-authored-by: Chris B <beanz@abolishcrlf.org>

…8414) (#8585)

This patch fixes 2 instances of internal issues; C6214: Cast between
semantically different integer types.

Fixes internal bugs: 61940839 and 61940838

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Co-authored-by: Deric C. <cheung.deric@gmail.com>
(cherry picked from commit 32beebf)

Co-authored-by: joaosaffran <joaosaffranllvm@gmail.com>
Co-authored-by: Deric C. <cheung.deric@gmail.com>

This will prevent experimental RDAT parts from being emitted when
compiling to a released shader target, unless you explicitly supply
-validator-version 0.0.

- Add experimental DXIL version detection.
- Update MaxPartTypeForValVer to require prerelease shader model +
experimental validator version or unbound validator version for
experimental parts.
- DxilRDATBuilder: separate Add/Get to avoid on-demand addition of parts
to enforce strict versioning.
- Add max validator version to RDAT_STRUCT_TABLE_DERIVED to
automatically set table stride correctly.
- Add experimental RDAT tests for release and experimental versions.

Fixes #8272

Cherry-pick of 0786300

This requires all PRs to this branch be approved by someone in the
hlsl-release team.