[llvm-branch-commits] [clang] [AMDGPU] Simplify dpp builtin handling (PR #115090)

[Stanislav Mekhanoshin via llvm-branch-commits]

rampitec wrote:

> Should also teach instcombine to fold bitcast + app

It still needs downstack change to handle i8: https://github.com/llvm/llvm-project/pull/114887

https://github.com/llvm/llvm-project/pull/115090