[clang] [CIR] [Upstream local initialization for ArrayType (PR #132974)

[Andy Kaylor via cfe-commits]

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@@ -449,4 +449,48 @@ LValue CIRGenFunction::emitLValue(const Expr *e) {
   }
 }
 
+void CIRGenFunction::emitNullInitialization(mlir::Location loc, Address destPtr,
+                                            QualType ty) {
+  // Ignore empty classes in C++.
+  if (getLangOpts().CPlusPlus) {
+    if (const RecordType *rt = ty->getAs<RecordType>()) {
+      if (cast<CXXRecordDecl>(rt->getDecl())->isEmpty())
+        return;
+    }
+  }
+
+  // Cast the dest ptr to the appropriate i8 pointer type.
+  if (builder.isInt8Ty(destPtr.getElementType())) {
+    llvm_unreachable("NYI");
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andykaylor wrote:

errorNYI

https://github.com/llvm/llvm-project/pull/132974