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

[Nikita Popov via llvm-commits]

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@@ -0,0 +1,303 @@
+#ifndef LLVM_ABI_TYPES_H
+#define LLVM_ABI_TYPES_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/Support/Allocator.h"
+#include <cstdint>
+
+namespace llvm {
+namespace abi {
+
+enum class TypeKind {
+  Void,
+  Integer,
+  Float,
+  Pointer,
+  Array,
+  Vector,
+  Struct,
+  Union,
+  Function
+};
+
+class Type {
+protected:
+  TypeKind Kind;
+  uint64_t SizeInBits;
+  uint64_t AlignInBits;
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nikic wrote:

Could use the Align type here.

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