================
@@ -0,0 +1,69 @@
+//===----- ABIInfo.h - ABI information access & encapsulation ----- C++
---===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// ABI information access & encapsulation
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ABI_ABIINFO_H
+#define LLVM_ABI_ABIINFO_H
+
+#include "llvm/ABI/ABIFunctionInfo.h"
+#include "llvm/ABI/Types.h"
+#include <cassert>
+#include <climits>
+#include <cstdint>
+
+namespace llvm {
+namespace abi {
+
+struct ABICompatInfo {
+ unsigned Version = UINT_MAX;
+
+ struct ABIFlags {
+ bool PassInt128VectorsInMem : 1;
+ bool ReturnCXXRecordGreaterThan128InMem : 1;
+ bool ClassifyIntegerMMXAsSSE : 1;
+ bool HonorsRevision98 : 1;
+
+ ABIFlags()
+ : PassInt128VectorsInMem(true),
+ ReturnCXXRecordGreaterThan128InMem(true),
+ ClassifyIntegerMMXAsSSE(true), HonorsRevision98(true) {}
+
+ } Flags;
+
+ ABICompatInfo() : Version(UINT_MAX) {}
+ ABICompatInfo(unsigned Ver) : Version(Ver) {}
+};
+
+/// Abstract base class for target-specific ABI information.
+class ABIInfo {
+private:
+ ABICompatInfo CompatInfo;
+
+public:
+ ABIInfo() : CompatInfo() {}
+ explicit ABIInfo(const ABICompatInfo &Info) : CompatInfo(Info) {}
+
+ virtual ~ABIInfo() = default;
+
+ virtual ABIArgInfo classifyReturnType(const Type *RetTy) const = 0;
+ virtual ABIArgInfo classifyArgumentType(const Type *ArgTy) const = 0;
+ virtual void computeInfo(ABIFunctionInfo &FI) const = 0;
+ virtual bool isPassByRef(const Type *Ty) const { return false; }
+ const ABICompatInfo &getABICompatInfo() const { return CompatInfo; }
+
+ void setABICompatInfo(const struct ABICompatInfo &Info) { CompatInfo = Info;
}
----------------
nikic wrote:
```suggestion
void setABICompatInfo(const ABICompatInfo &Info) { CompatInfo = Info; }
```
Though this setter is probably not needed at all. (Probably don't need to touch
this after construction?)
https://github.com/llvm/llvm-project/pull/140112
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