1 //===----------------------- CodeRegionGenerator.h --------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// This file declares classes responsible for generating llvm-mca
12 /// CodeRegions from various types of input. llvm-mca only analyzes CodeRegions,
13 /// so the classes here provide the input-to-CodeRegions translation.
15 //===----------------------------------------------------------------------===//
17 #ifndef LLVM_TOOLS_LLVM_MCA_CODEREGION_GENERATOR_H
18 #define LLVM_TOOLS_LLVM_MCA_CODEREGION_GENERATOR_H
20 #include "CodeRegion.h"
21 #include "llvm/MC/MCAsmInfo.h"
22 #include "llvm/MC/MCContext.h"
23 #include "llvm/MC/MCSubtargetInfo.h"
24 #include "llvm/Support/Error.h"
25 #include "llvm/Support/SourceMgr.h"
26 #include "llvm/Support/TargetRegistry.h"
32 /// This class is responsible for parsing the input given to the llvm-mca
33 /// driver, and converting that into a CodeRegions instance.
34 class CodeRegionGenerator {
37 CodeRegionGenerator(const CodeRegionGenerator &) = delete;
38 CodeRegionGenerator &operator=(const CodeRegionGenerator &) = delete;
41 CodeRegionGenerator(SourceMgr &SM) : Regions(SM) {}
42 virtual ~CodeRegionGenerator();
43 virtual Expected<const CodeRegions &> parseCodeRegions() = 0;
46 /// This class is responsible for parsing input ASM and generating
47 /// a CodeRegions instance.
48 class AsmCodeRegionGenerator final : public CodeRegionGenerator {
49 const Target &TheTarget;
52 const MCSubtargetInfo &STI;
53 const MCInstrInfo &MCII;
54 unsigned AssemblerDialect; // This is set during parsing.
57 AsmCodeRegionGenerator(const Target &T, SourceMgr &SM, MCContext &C,
58 const MCAsmInfo &A, const MCSubtargetInfo &S,
60 : CodeRegionGenerator(SM), TheTarget(T), Ctx(C), MAI(A), STI(S), MCII(I),
61 AssemblerDialect(0) {}
63 unsigned getAssemblerDialect() const { return AssemblerDialect; }
64 Expected<const CodeRegions &> parseCodeRegions() override;
70 #endif // LLVM_TOOLS_LLVM_MCA_CODEREGION_GENERATOR_H