[llvm] [SPIRV] Emit NonSemantic DebugTypeComposite and DebugTypeMember. (PR #211638)

[Manuel Carrasco via llvm-commits]

================
@@ -742,6 +856,28 @@ void SPIRVNonSemanticDebugHandler::emitNonSemanticDebugStrings(
     ScopeToPathOpStringReg[SP] = emitOpStringIfNew(getDebugFullPath(SP), MAI);
   }
 
+  // Cache the OpStrings each DebugTypeComposite and its DebugTypeMembers use:
+  // the composite name, identifier (linkage name), and path, plus each member
+  // name and path.
+  for (const DICompositeType *CT : CompositeTypes) {
+    emitOpStringIfNew(CT->getName(), MAI);
+    emitOpStringIfNew(CT->getIdentifier(), MAI);
+    MCRegister PathReg =
----------------
mgcarrasco wrote:

Just to follow, is PathReg computed here in case the getFile() is null, right? 

https://github.com/llvm/llvm-project/pull/211638