| 1 | //===---- PPCCCState.h - CCState with PowerPC specific extensions -----------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef PPCCCSTATE_H |
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| 10 | #define PPCCCSTATE_H |
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| 11 | |
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| 12 | #include "PPCISelLowering.h" |
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| 13 | #include "llvm/ADT/BitVector.h" |
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| 14 | #include "llvm/ADT/SmallVector.h" |
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| 15 | #include "llvm/CodeGen/CallingConvLower.h" |
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| 16 | |
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| 17 | namespace llvm { |
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| 18 | |
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| 19 | class PPCCCState : public CCState { |
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| 20 | public: |
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| 21 | |
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| 22 | void |
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| 23 | PreAnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs); |
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| 24 | void |
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| 25 | PreAnalyzeFormalArguments(const SmallVectorImpl<ISD::InputArg> &Ins); |
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| 26 | |
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| 27 | private: |
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| 28 | |
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| 29 | // Records whether the value has been lowered from an ppcf128. |
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| 30 | SmallVector<bool, 4> OriginalArgWasPPCF128; |
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| 31 | |
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| 32 | public: |
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| 33 | PPCCCState(CallingConv::ID CC, bool isVarArg, MachineFunction &MF, |
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| 34 | SmallVectorImpl<CCValAssign> &locs, LLVMContext &C) |
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| 35 | : CCState(CC, isVarArg, MF, locs, C) {} |
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| 36 | |
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| 37 | bool WasOriginalArgPPCF128(unsigned ValNo) { return OriginalArgWasPPCF128[ValNo]; } |
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| 38 | void clearWasPPCF128() { OriginalArgWasPPCF128.clear(); } |
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| 39 | }; |
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| 40 | |
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| 41 | class AIXCCState : public CCState { |
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| 42 | private: |
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| 43 | BitVector IsFixed; |
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| 44 | |
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| 45 | public: |
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| 46 | AIXCCState(CallingConv::ID CC, bool IsVarArg, MachineFunction &MF, |
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| 47 | SmallVectorImpl<CCValAssign> &Locs, LLVMContext &C) |
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| 48 | : CCState(CC, IsVarArg, MF, Locs, C) {} |
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| 49 | |
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| 50 | void AnalyzeFormalArguments(const SmallVectorImpl<ISD::InputArg> &Ins, |
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| 51 | CCAssignFn Fn) { |
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| 52 | // All formal arguments are fixed. |
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| 53 | IsFixed.resize(N: Ins.size(), t: true); |
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| 54 | CCState::AnalyzeFormalArguments(Ins, Fn); |
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| 55 | } |
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| 56 | |
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| 57 | void AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs, |
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| 58 | CCAssignFn Fn) { |
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| 59 | // Record whether the call operand was a fixed argument. |
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| 60 | IsFixed.resize(N: Outs.size(), t: false); |
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| 61 | for (unsigned ValNo = 0, E = Outs.size(); ValNo != E; ++ValNo) |
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| 62 | if (Outs[ValNo].IsFixed) |
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| 63 | IsFixed.set(ValNo); |
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| 64 | |
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| 65 | CCState::AnalyzeCallOperands(Outs, Fn); |
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| 66 | } |
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| 67 | |
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| 68 | bool isFixed(unsigned ValNo) const { return IsFixed.test(Idx: ValNo); } |
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| 69 | }; |
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| 70 | |
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| 71 | } // end namespace llvm |
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| 72 | |
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| 73 | #endif |
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| 74 | |
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