[clang] [Clang][CodeGen] Emit `llvm.ptrmask` for `align_up` and `align_down` (PR #71238)

[Markus Böck via cfe-commits]

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@@ -19671,41 +19671,38 @@ RValue CodeGenFunction::EmitBuiltinIsAligned(const CallExpr *E) {
 /// TODO: actually use ptrmask once most optimization passes know about it.
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zero9178 wrote:

Can this TODO be removed now?

https://github.com/llvm/llvm-project/pull/71238