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https://github.com/c64scene-ar/llvm-6502.git
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46c098238e
Summary: Reviewers: theraven, vmedic Reviewed By: vmedic Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D6115 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221528 91177308-0d34-0410-b5e6-96231b3b80d8
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
//===---- MipsABIInfo.h - Information about MIPS ABI's --------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MIPSABIINFO_H
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#define MIPSABIINFO_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/IR/CallingConv.h"
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namespace llvm {
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class MipsABIInfo {
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public:
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enum class ABI { Unknown, O32, N32, N64, EABI };
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protected:
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ABI ThisABI;
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public:
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MipsABIInfo(ABI ThisABI) : ThisABI(ThisABI) {}
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static MipsABIInfo Unknown() { return MipsABIInfo(ABI::Unknown); }
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static MipsABIInfo O32() { return MipsABIInfo(ABI::O32); }
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static MipsABIInfo N32() { return MipsABIInfo(ABI::N32); }
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static MipsABIInfo N64() { return MipsABIInfo(ABI::N64); }
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static MipsABIInfo EABI() { return MipsABIInfo(ABI::EABI); }
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bool IsKnown() const { return ThisABI != ABI::Unknown; }
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bool IsO32() const { return ThisABI == ABI::O32; }
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bool IsN32() const { return ThisABI == ABI::N32; }
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bool IsN64() const { return ThisABI == ABI::N64; }
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bool IsEABI() const { return ThisABI == ABI::EABI; }
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ABI GetEnumValue() const { return ThisABI; }
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/// The registers to use for byval arguments.
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const ArrayRef<MCPhysReg> GetByValArgRegs() const;
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/// The registers to use for the variable argument list.
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const ArrayRef<MCPhysReg> GetVarArgRegs() const;
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/// Obtain the size of the area allocated by the callee for arguments.
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/// CallingConv::FastCall affects the value for O32.
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unsigned GetCalleeAllocdArgSizeInBytes(CallingConv::ID CC) const;
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/// Ordering of ABI's
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/// MipsGenSubtargetInfo.inc will use this to resolve conflicts when given
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/// multiple ABI options.
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bool operator<(const MipsABIInfo Other) const {
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return ThisABI < Other.GetEnumValue();
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}
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};
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}
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#endif
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