1 //===-- CodeTemplate.cpp ----------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "CodeTemplate.h"
11 
12 namespace exegesis {
13 
14 CodeTemplate::CodeTemplate(CodeTemplate &&) = default;
15 
16 CodeTemplate &CodeTemplate::operator=(CodeTemplate &&) = default;
17 
18 InstructionTemplate::InstructionTemplate(const Instruction &Instr)
19     : Instr(Instr), VariableValues(Instr.Variables.size()) {}
20 
21 InstructionTemplate::InstructionTemplate(InstructionTemplate &&) = default;
22 
23 InstructionTemplate &InstructionTemplate::
24 operator=(InstructionTemplate &&) = default;
25 
26 InstructionTemplate::InstructionTemplate(const InstructionTemplate &) = default;
27 
28 InstructionTemplate &InstructionTemplate::
29 operator=(const InstructionTemplate &) = default;
30 
31 unsigned InstructionTemplate::getOpcode() const {
32   return Instr.Description->getOpcode();
33 }
34 
35 llvm::MCOperand &InstructionTemplate::getValueFor(const Variable &Var) {
36   return VariableValues[Var.getIndex()];
37 }
38 
39 const llvm::MCOperand &
40 InstructionTemplate::getValueFor(const Variable &Var) const {
41   return VariableValues[Var.getIndex()];
42 }
43 
44 llvm::MCOperand &InstructionTemplate::getValueFor(const Operand &Op) {
45   return getValueFor(Instr.Variables[Op.getVariableIndex()]);
46 }
47 
48 const llvm::MCOperand &
49 InstructionTemplate::getValueFor(const Operand &Op) const {
50   return getValueFor(Instr.Variables[Op.getVariableIndex()]);
51 }
52 
53 bool InstructionTemplate::hasImmediateVariables() const {
54   return llvm::any_of(Instr.Variables, [this](const Variable &Var) {
55     return Instr.getPrimaryOperand(Var).isImmediate();
56   });
57 }
58 
59 llvm::MCInst InstructionTemplate::build() const {
60   llvm::MCInst Result;
61   Result.setOpcode(Instr.Description->Opcode);
62   for (const auto &Op : Instr.Operands)
63     if (Op.isExplicit())
64       Result.addOperand(getValueFor(Op));
65   return Result;
66 }
67 
68 } // namespace exegesis
69