================
@@ -306,3 +320,71 @@ CIRGenTypes::computeRecordLayout(const RecordDecl *rd,
cir::RecordType *ty) {
// TODO: implement verification
return rl;
}
+
+void CIRRecordLowering::lowerUnion() {
+ CharUnits layoutSize = astRecordLayout.getSize();
+ mlir::Type storageType = nullptr;
+ bool seenNamedMember = false;
+
+ // Iterate through the fields setting bitFieldInfo and the Fields array. Also
+ // locate the "most appropriate" storage type. The heuristic for finding the
----------------
andykaylor wrote:
I'm not sure what any of this comment after "locate the 'most appropriate'
storage type" means. The comment was carried over from the classic codegen, but
I wonder if it means we're doing a lot of work here that we don't need to do.
https://github.com/llvm/llvm-project/pull/137501
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