Nathan Gauër 7c8b1275bc [SPIR-V] Add pass to remove spv_ptrcast intrinsics (#128896) ...

OpenCL is allowed to cast pointers, meaning they can resolve some type
mismatches this way. In logical SPIR-V, those are restricted. This new
pass legalizes such pointer cast when targeting logical SPIR-V.

For now, this pass supports 3 cases we witnessed:
 - loading a vec3 from a vec4*.
 - loading a scalar from a vec*.
 - loading the 1st element of an array.

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Co-authored-by: Steven Perron <stevenperron@google.com>

2025-03-04 10:30:46 +01:00

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