[clang] [llvm] [WIP] ABI Lowering Library (PR #140112)

[Nikita Popov via cfe-commits]

================
@@ -0,0 +1,260 @@
+#ifndef LLVM_ABI_TYPES_H
+#define LLVM_ABI_TYPES_H
+
+#include "llvm/ADT/APFloat.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/Support/Alignment.h"
+#include "llvm/Support/Allocator.h"
+#include "llvm/Support/TypeSize.h"
+#include <cstdint>
+#include <llvm/IR/CallingConv.h>
----------------
nikic wrote:

```suggestion
#include "llvm/IR/CallingConv.h"
```

https://github.com/llvm/llvm-project/pull/140112