LLVM  10.0.0svn
BlockPrinter.h
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1 //===- BlockPrinter.h - FDR Block Pretty Printer -------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // An implementation of the RecordVisitor which formats a block of records for
10 // easier human consumption.
11 //
12 //===----------------------------------------------------------------------===//
13 #ifndef LLVM_INCLUDE_LLVM_XRAY_BLOCKPRINTER_H_
14 #define LLVM_INCLUDE_LLVM_XRAY_BLOCKPRINTER_H_
15 
17 #include "llvm/XRay/FDRRecords.h"
19 
20 namespace llvm {
21 namespace xray {
22 
23 class BlockPrinter : public RecordVisitor {
24  enum class State {
25  Start,
26  Preamble,
27  Metadata,
28  Function,
29  Arg,
30  CustomEvent,
31  End,
32  };
33 
34  raw_ostream &OS;
35  RecordPrinter &RP;
36  State CurrentState = State::Start;
37 
38 public:
40  : RecordVisitor(), OS(O), RP(P) {}
41 
42  Error visit(BufferExtents &) override;
43  Error visit(WallclockRecord &) override;
44  Error visit(NewCPUIDRecord &) override;
45  Error visit(TSCWrapRecord &) override;
46  Error visit(CustomEventRecord &) override;
47  Error visit(CallArgRecord &) override;
48  Error visit(PIDRecord &) override;
49  Error visit(NewBufferRecord &) override;
50  Error visit(EndBufferRecord &) override;
51  Error visit(FunctionRecord &) override;
52  Error visit(CustomEventRecordV5 &) override;
53  Error visit(TypedEventRecord &) override;
54 
55  void reset() { CurrentState = State::Start; }
56 };
57 
58 } // namespace xray
59 } // namespace llvm
60 
61 #endif // LLVM_INCLUDE_LLVM_XRAY_BLOCKPRINTER_H_
This class represents lattice values for constants.
Definition: AllocatorList.h:23
#define P(N)
amdgpu Simplify well known AMD library false FunctionCallee Value * Arg
BlockPrinter(raw_ostream &O, RecordPrinter &P)
Definition: BlockPrinter.h:39
Error visit(BufferExtents &) override
Lightweight error class with error context and mandatory checking.
Definition: Error.h:157
This class implements an extremely fast bulk output stream that can only output to a stream...
Definition: raw_ostream.h:45
Root of the metadata hierarchy.
Definition: Metadata.h:57