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

[Matt Arsenault via cfe-commits]

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+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu tahiti -S -verify -o - %s
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu bonaire -S -verify -o - %s
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu carrizo -S -verify -o - %s
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx1100 -S -verify -o - %s
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx1200 -S -verify -o - %s
+// REQUIRES: amdgpu-registered-target
+
+typedef unsigned int v4u32 __attribute__((ext_vector_type(4)));
+
+void test_amdgcn_struct_buffer_load_lds(v4u32 rsrc, __local void* lds, int index, int offset, int soffset, int x) {
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arsenm wrote:

This should just work 

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