[HLSL] Implement HLSL Aggregate splatting#118992

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spall merged 19 commits intollvm:mainfrom

spall:hlslsplatcast

Feb 14, 2025

Commits on Feb 10, 2025

self review
spall
committed
disallow splatting things with bitvectors, add tests to show casting bitvectors not allowed. At test showing splatting union is not allowed. At test showing splatting union in elementwise cast is n…
spall
committed

Commits on Feb 11, 2025