blob: 2a260b97d8fb0d2d16662d0e4d762ea11b72ea37 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
//===----------------------- InstrucionView.h -----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
/// \file
///
/// This file defines the main interface for Views that examine and reference
/// a sequence of machine instructions.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLVM_MCA_INSTRUCTIONVIEW_H
#define LLVM_TOOLS_LLVM_MCA_INSTRUCTIONVIEW_H
#include "Views/View.h"
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/JSON.h"
namespace llvm {
namespace mca {
// The base class for views that deal with individual machine instructions.
class InstructionView : public View {
const llvm::MCSubtargetInfo &STI;
llvm::MCInstPrinter &MCIP;
llvm::ArrayRef<llvm::MCInst> Source;
StringRef MCPU;
mutable std::string InstructionString;
mutable raw_string_ostream InstrStream;
public:
void printView(llvm::raw_ostream &) const override {}
InstructionView(const llvm::MCSubtargetInfo &STI,
llvm::MCInstPrinter &Printer,
llvm::ArrayRef<llvm::MCInst> S,
StringRef MCPU = StringRef())
: STI(STI), MCIP(Printer), Source(S), MCPU(MCPU),
InstrStream(InstructionString) {}
virtual ~InstructionView() = default;
StringRef getNameAsString() const override {
return "Instructions and CPU resources";
}
// Return a reference to a string representing a given machine instruction.
// The result should be used or copied before the next call to
// printInstructionString() as it will overwrite the previous result.
StringRef printInstructionString(const llvm::MCInst &MCI) const;
const llvm::MCSubtargetInfo &getSubTargetInfo() const { return STI; }
llvm::MCInstPrinter &getInstPrinter() const { return MCIP; }
llvm::ArrayRef<llvm::MCInst> getSource() const { return Source; }
json::Value toJSON() const override;
virtual void printViewJSON(llvm::raw_ostream &OS) override {
json::Value JV = toJSON();
OS << formatv("{0:2}", JV) << "\n";
}
};
} // namespace mca
} // namespace llvm
#endif
|
