| Issue |
137386
|
| Summary |
[HLSL] Add appropriate validation for MD_tbaa metadata kind
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
bob80905
|
The MD_tbaa metadata kind needs to be supported in LLVM for the DXIL Prepare pass.
Currently, if any MD_tbaa metadata kind is detected prior to the DXIL Prepare pass, it is removed thanks to the whitelist in `llvm\lib\Target\DirectX\DXILPrepare.cpp` under `getCompatibleInstructionMDs`. The whitelist needs to accomodate for MD_tbaa, and the whitelist needs extra logic to validate the MD_tbaa node in the same way that the dxil validator validates the MD_tbaa node.
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