[clang] [Clang][AMDGPU] Add builtins for some buffer resource atomics (PR #149216)

[Shilei Tian via cfe-commits]

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@@ -252,6 +252,15 @@ TARGET_BUILTIN(__builtin_amdgcn_flat_atomic_fmax_f64, "dd*0d", "t", "gfx90a-inst
 TARGET_BUILTIN(__builtin_amdgcn_ds_atomic_fadd_f64, "dd*3d", "t", "gfx90a-insts")
 TARGET_BUILTIN(__builtin_amdgcn_ds_atomic_fadd_f32, "ff*3f", "t", "gfx8-insts")
 
+TARGET_BUILTIN(__builtin_amdgcn_raw_ptr_buffer_atomic_add_i32, "iiQbiiIi", "t", "gfx90a-insts")
+TARGET_BUILTIN(__builtin_amdgcn_raw_ptr_buffer_atomic_fadd_f32, "ffQbiiIi", "t", "gfx90a-insts")
+TARGET_BUILTIN(__builtin_amdgcn_raw_ptr_buffer_atomic_fadd_f64, "ddQbiiIi", "t", "gfx90a-insts")
+TARGET_BUILTIN(__builtin_amdgcn_raw_ptr_buffer_atomic_fadd_v2f16, "V2hV2hQbiiIi", "t", "gfx90a-insts")
+
+TARGET_BUILTIN(__builtin_amdgcn_raw_ptr_buffer_atomic_fmax_f32, "ffQbiiIi", "t", "gfx90a-insts")
+TARGET_BUILTIN(__builtin_amdgcn_raw_ptr_buffer_atomic_fmax_f64, "ddQbiiIi", "t", "gfx90a-insts")
+TARGET_BUILTIN(__builtin_amdgcn_raw_ptr_buffer_atomic_fmax_v2f16, "V2hV2hQbiiIi", "t", "gfx90a-insts")
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shiltian wrote:

Are they only available on gfx90a?

https://github.com/llvm/llvm-project/pull/149216