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

[Manuel Carrasco via llvm-commits]

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@@ -75,6 +77,21 @@ class SPIRVNonSemanticDebugHandler : public DebugHandlerBase {
   // in beginModule() for DebugFunctionDeclaration emission.
   SmallVector<const DISubprogram *> SubprogramDeclarations;
 
+  // DIGlobalVariable nodes for DebugGlobalVariable emission; SmallSetVector
+  // dedupes (see beginModule()).
+  SmallSetVector<const DIGlobalVariable *, 8> GlobalVariables;
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mgcarrasco wrote:

The container is no longer required.

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