[clang] [Clang][AMDGPU] Add a new builtin type for buffer rsrc (PR #94830)

[Shilei Tian via cfe-commits]

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@@ -0,0 +1,9 @@
+
+// REQUIRES: amdgpu-registered-target
+// RUN: %clang_cc1 -triple amdgcn -emit-llvm -o - %s -debug-info-kind=limited 2>&1 | FileCheck %s
+
+// CHECK: name: "__amdgcn_buffer_rsrc_t",{{.*}}baseType: ![[BT:[0-9]+]]
+// CHECK: [[BT]] = !DICompositeType(tag: DW_TAG_structure_type, name: "__amdgcn_buffer_rsrc_t", {{.*}} flags: DIFlagFwdDecl)
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shiltian wrote:

For the debug type, I made it a struct type, because I don't think we expose it as a pointer even though it is used internally as one. It is not an integer as well.

https://github.com/llvm/llvm-project/pull/94830