[clang] [Clang][SPIRV] Add __spirv_event_t builtin type (PR #207077)

[Tom Honermann via cfe-commits]

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@@ -617,6 +617,10 @@ llvm::Type *CodeGenTypes::ConvertType(QualType T) {
 #include "clang/Basic/HLSLIntangibleTypes.def"
       ResultType = CGM.getHLSLRuntime().convertHLSLSpecificType(Ty);
       break;
+#define SPIRV_TYPE(Name, Id, SingletonId)                                      \
+  case BuiltinType::Id:                                                        \
+    return llvm::TargetExtType::get(getLLVMContext(), "spirv.Event");
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tahonermann wrote:

Am I right in assuming handling for this "spirv.Event" will need to be added to the SPIR-V backend? I'm afraid I have no experience in this area to draw from.

https://github.com/llvm/llvm-project/pull/207077