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ab4fb8ba2f
Partially implement callee-side for arguments and return values. byval doesn't work properly, and most likely sret or other on-stack return values most as well. llvm-svn: 303308
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
//===- lib/Target/AMDGPU/AMDGPUCallLowering.h - Call lowering -*- C++ -*---===//
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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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///
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/// \file
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/// This file describes how to lower LLVM calls to machine code calls.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUCALLLOWERING_H
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#define LLVM_LIB_TARGET_AMDGPU_AMDGPUCALLLOWERING_H
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#include "AMDGPU.h"
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#include "llvm/CodeGen/GlobalISel/CallLowering.h"
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namespace llvm {
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class AMDGPUTargetLowering;
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class AMDGPUCallLowering: public CallLowering {
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AMDGPUAS AMDGPUASI;
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unsigned lowerParameterPtr(MachineIRBuilder &MIRBuilder, Type *ParamTy,
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unsigned Offset) const;
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void lowerParameter(MachineIRBuilder &MIRBuilder, Type *ParamTy,
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unsigned Offset, unsigned DstReg) const;
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public:
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AMDGPUCallLowering(const AMDGPUTargetLowering &TLI);
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bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
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unsigned VReg) const override;
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bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
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ArrayRef<unsigned> VRegs) const override;
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static CCAssignFn *CCAssignFnForCall(CallingConv::ID CC, bool IsVarArg);
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static CCAssignFn *CCAssignFnForReturn(CallingConv::ID CC, bool IsVarArg);
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};
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} // End of namespace llvm;
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#endif
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