Prevent experimental RDAT on released shader targets (#8534)#8589
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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 microsoft#8272
llvm-beanz
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Jun 25, 2026
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LGTM, one question below as a sanity check.
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| LastPlus1, | ||
| LastExperimental = LastPlus1 - 1, | ||
| LastRelease = Last_1_8, |
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Just confirming, we didn't change anything in RDAT in 1.9 right?
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This will prevent experimental RDAT parts from being emitted when compiling to a released shader target, unless you explicitly supply -validator-version 0.0.
Fixes #8272
Cherry-pick of 0786300