[PATCH] D130096: [Clang][AMDGPU] Emit AMDGPU library control constants in clang

[Matt Arsenault via Phabricator via cfe-commits]

arsenm added a comment.

In D130096#3850550 <https://reviews.llvm.org/D130096#3850550>, @b-sumner wrote:

> There's the "small matter" of implementing the new device library functions.  Why is all that more likeable than two kinds of control constants?

Different functions providing different behaviors can be handled at link time like any other function, instead of the same functions providing different behaviors per translation unit and requires cloning. The current scheme transfers complexity from the device library build system into the driver and user binaries


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https://reviews.llvm.org/D130096