Farzon Lotfi 324bdd662d [DirectX] Data Scalarization of Vectors in Global Scope (#110029) ...

This change adds a pass to scalarize vectors in global scope into
arrays.

There are three distinct parts
1. find the globals that need to be updated and define what the new type
should be
2. initialize that new type and copy over all the right attributes over
from the old type.
3. Use the instruction visitor pattern to update the loads, stores, and
geps for the layout of the new data structure.

resolves https://github.com/llvm/llvm-project/issues/107920

2024-09-26 17:16:29 -04:00

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