[clang] [llvm] [clang][amdgpu] Add builtins for raw/struct buffer lds load (PR #137678)

[Jon Chesterfield via cfe-commits]

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@@ -163,7 +163,10 @@ BUILTIN(__builtin_amdgcn_raw_buffer_load_b64, "V2UiQbiiIi", "n")
 BUILTIN(__builtin_amdgcn_raw_buffer_load_b96, "V3UiQbiiIi", "n")
 BUILTIN(__builtin_amdgcn_raw_buffer_load_b128, "V4UiQbiiIi", "n")
 
+TARGET_BUILTIN(__builtin_amdgcn_raw_buffer_load_lds, "vV4Uiv*3IUiiiIiIi", "t", "vmem-to-lds-load-insts")
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JonChesterfield wrote:

Found some context, are we partway through replacing v4i32 with an addrspace8 ptr, and want to expand uses of v4i32 into the "new" one for a while to avoid breaking as much library code?

https://github.com/llvm/llvm-project/pull/137678