[PATCH] D115661: [clang][amdgpu] - Choose when to promote VarDecl to address space 4.

[Matt Arsenault via Phabricator via cfe-commits]

arsenm added a comment.

In D115661#3190041 <https://reviews.llvm.org/D115661#3190041>, @arsenm wrote:

> There's no real advantage to using addrspace(4) at all

There are a few places where it's used as an optimization hint / as a crutch where we don't have a proper analysis. Fundamentally I would like to eliminate addrspace(4) eventually


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