74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
//===---- PPCCCState.h - CCState with PowerPC specific extensions -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef PPCCCSTATE_H
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#define PPCCCSTATE_H
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#include "PPCISelLowering.h"
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#include "llvm/ADT/BitVector.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/CodeGen/CallingConvLower.h"
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namespace llvm {
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class PPCCCState : public CCState {
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public:
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void
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PreAnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs);
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void
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PreAnalyzeFormalArguments(const SmallVectorImpl<ISD::InputArg> &Ins);
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private:
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// Records whether the value has been lowered from an ppcf128.
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SmallVector<bool, 4> OriginalArgWasPPCF128;
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public:
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PPCCCState(CallingConv::ID CC, bool isVarArg, MachineFunction &MF,
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SmallVectorImpl<CCValAssign> &locs, LLVMContext &C)
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: CCState(CC, isVarArg, MF, locs, C) {}
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bool WasOriginalArgPPCF128(unsigned ValNo) { return OriginalArgWasPPCF128[ValNo]; }
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void clearWasPPCF128() { OriginalArgWasPPCF128.clear(); }
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};
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class AIXCCState : public CCState {
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private:
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BitVector IsFixed;
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public:
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AIXCCState(CallingConv::ID CC, bool IsVarArg, MachineFunction &MF,
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SmallVectorImpl<CCValAssign> &Locs, LLVMContext &C)
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: CCState(CC, IsVarArg, MF, Locs, C) {}
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void AnalyzeFormalArguments(const SmallVectorImpl<ISD::InputArg> &Ins,
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CCAssignFn Fn) {
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// All formal arguments are fixed.
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IsFixed.resize(Ins.size(), true);
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CCState::AnalyzeFormalArguments(Ins, Fn);
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}
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void AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs,
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CCAssignFn Fn) {
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// Record whether the call operand was a fixed argument.
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IsFixed.resize(Outs.size(), false);
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for (unsigned ValNo = 0, E = Outs.size(); ValNo != E; ++ValNo)
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if (Outs[ValNo].IsFixed)
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IsFixed.set(ValNo);
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CCState::AnalyzeCallOperands(Outs, Fn);
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}
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bool isFixed(unsigned ValNo) const { return IsFixed.test(ValNo); }
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};
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} // end namespace llvm
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#endif
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