[llvm] AMDGPU: share LDS budget logic and add experimental LDS buffering pass (PR #166388)

[Yaxun Liu via llvm-commits]

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@@ -60,6 +60,7 @@ FUNCTION_PASS("amdgpu-lower-kernel-attributes",
 FUNCTION_PASS("amdgpu-promote-alloca", AMDGPUPromoteAllocaPass(*this))
 FUNCTION_PASS("amdgpu-promote-alloca-to-vector",
               AMDGPUPromoteAllocaToVectorPass(*this))
+FUNCTION_PASS("amdgpu-lds-buffering", AMDGPULDSBufferingPass(*this))
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yxsamliu wrote:

will do

https://github.com/llvm/llvm-project/pull/166388