[llvm] [SPIRV] Emit NonSemantic DebugGlobalVariable (PR #207230)

[Manuel Carrasco via llvm-commits]

================
@@ -561,6 +586,90 @@ std::optional<MCRegister> SPIRVNonSemanticDebugHandler::mapDISignatureTypeToReg(
   return lookupOptReg(DebugTypeRegs, Ty);
 }
 
+std::optional<MCRegister>
+SPIRVNonSemanticDebugHandler::resolveGlobalVariableParent(
+    const DIGlobalVariable *GV) const {
+  // TODO: When this backend emits debug instructions for namespace, subprogram,
+  // and module scopes, return GV->getScope()'s debug id.
----------------
mgcarrasco wrote:

I can open an issue once right after merging so we keep track that once the other scopes are supported, the TODO must be implemented. 

https://github.com/llvm/llvm-project/pull/207230