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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===-- llvm/MC/MCInstBuilder.h - Simplify creation of MCInsts --*- C++ -*-===// |
| 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 | // This file contains the MCInstBuilder class for convenient creation of |
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| 10 | // MCInsts. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |||
| 14 | #ifndef LLVM_MC_MCINSTBUILDER_H |
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| 15 | #define LLVM_MC_MCINSTBUILDER_H |
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| 16 | |||
| 17 | #include "llvm/MC/MCInst.h" |
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| 18 | |||
| 19 | namespace llvm { |
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| 20 | |||
| 21 | class MCInstBuilder { |
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| 22 | MCInst Inst; |
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| 23 | |||
| 24 | public: |
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| 25 | /// Create a new MCInstBuilder for an MCInst with a specific opcode. |
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| 26 | MCInstBuilder(unsigned Opcode) { |
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| 27 | Inst.setOpcode(Opcode); |
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| 28 | } |
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| 29 | |||
| 30 | /// Add a new register operand. |
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| 31 | MCInstBuilder &addReg(unsigned Reg) { |
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| 32 | Inst.addOperand(MCOperand::createReg(Reg)); |
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| 33 | return *this; |
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| 34 | } |
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| 35 | |||
| 36 | /// Add a new integer immediate operand. |
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| 37 | MCInstBuilder &addImm(int64_t Val) { |
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| 38 | Inst.addOperand(MCOperand::createImm(Val)); |
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| 39 | return *this; |
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| 40 | } |
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| 41 | |||
| 42 | /// Add a new single floating point immediate operand. |
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| 43 | MCInstBuilder &addSFPImm(uint32_t Val) { |
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| 44 | Inst.addOperand(MCOperand::createSFPImm(Val)); |
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| 45 | return *this; |
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| 46 | } |
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| 47 | |||
| 48 | /// Add a new floating point immediate operand. |
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| 49 | MCInstBuilder &addDFPImm(uint64_t Val) { |
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| 50 | Inst.addOperand(MCOperand::createDFPImm(Val)); |
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| 51 | return *this; |
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| 52 | } |
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| 53 | |||
| 54 | /// Add a new MCExpr operand. |
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| 55 | MCInstBuilder &addExpr(const MCExpr *Val) { |
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| 56 | Inst.addOperand(MCOperand::createExpr(Val)); |
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| 57 | return *this; |
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| 58 | } |
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| 59 | |||
| 60 | /// Add a new MCInst operand. |
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| 61 | MCInstBuilder &addInst(const MCInst *Val) { |
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| 62 | Inst.addOperand(MCOperand::createInst(Val)); |
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| 63 | return *this; |
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| 64 | } |
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| 65 | |||
| 66 | /// Add an operand. |
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| 67 | MCInstBuilder &addOperand(const MCOperand &Op) { |
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| 68 | Inst.addOperand(Op); |
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| 69 | return *this; |
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| 70 | } |
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| 71 | |||
| 72 | operator MCInst&() { |
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| 73 | return Inst; |
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| 74 | } |
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| 75 | }; |
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| 76 | |||
| 77 | } // end namespace llvm |
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| 78 | |||
| 79 | #endif |