[clang] [llvm] [Dwarf] Support heterogeneous DW_{OP,AT}s needed for AMDGPU CFI (PR #153883)

[Scott Linder via cfe-commits]

================
@@ -52,31 +52,31 @@ int *constant FileVar14 = 0;
 
 kernel void kernel1(
     // CHECK-DAG: ![[KERNELARG0:[0-9]+]] = !DILocalVariable(name: 
"KernelArg0", arg: {{[0-9]+}}, scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: 
{{[0-9]+}}, type: !{{[0-9]+}})
-    // CHECK-DAG: #dbg_declare(ptr addrspace(5) {{.*}}, ![[KERNELARG0]], 
!DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef), !{{[0-9]+}}
+    // CHECK-DAG: #dbg_declare(ptr addrspace(5) {{.*}}, ![[KERNELARG0]], 
!DIExpression(DW_OP_constu, 5, DW_OP_swap, DW_OP_xderef), !{{[0-9]+}}
----------------
slinder1 wrote:

Yes, the current upstream debug-info tests for AMDGPU are generally not correct

https://github.com/llvm/llvm-project/pull/153883
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