[clang] [CIR] Add constant record ILE support (PR #155663)

[Morris Hafner via cfe-commits]

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@@ -130,6 +132,44 @@ void CIRGenBuilderTy::computeGlobalViewIndicesFromFlatOffset(
   computeGlobalViewIndicesFromFlatOffset(offset, subType, layout, indices);
 }
 
+static mlir::Type getAttributeType(mlir::Attribute attr) {
+  return mlir::cast<mlir::TypedAttr>(attr).getType();
+}
+
+cir::RecordType clang::CIRGen::CIRGenBuilderTy::getCompleteRecordType(
+    mlir::ArrayAttr fields, bool packed, bool padded, llvm::StringRef name,
+    const clang::RecordDecl *ast) {
+  llvm::SmallVector<mlir::Type, 8> members;
+  members.reserve(fields.size());
+  llvm::transform(fields, std::back_inserter(members), getAttributeType);
+
+  if (name.empty())
+    return getAnonRecordTy(members, packed, padded);
+
+  return getCompleteRecordTy(members, name, packed, padded);
+}
+
+mlir::Attribute clang::CIRGen::CIRGenBuilderTy::getConstRecordOrZeroAttr(
+    mlir::ArrayAttr arrayAttr, bool packed, bool padded, mlir::Type type) {
+  auto recordTy = mlir::cast_or_null<cir::RecordType>(type);
+
+  // Record type not specified: create anon record type from members.
+  if (!recordTy) {
+    llvm::SmallVector<mlir::Type, 8> members;
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mmha wrote:

Good point. That also lets me remove that static function above.

https://github.com/llvm/llvm-project/pull/155663