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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
///=======================================================================================
/// This file contains types, enumerations, classes and other declarations used by
/// the IGC IR Verification Pass.
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/InstVisitor.h>
#include <llvm/ADT/StringRef.h>
#include <llvm/ADT/ArrayRef.h>
#include "llvm/Support/raw_ostream.h"
#include "common/LLVMWarningsPop.hpp"
#include "GenISAIntrinsics/GenIntrinsicInst.h"
#include <set>
#include <vector>
namespace IGC
{
enum class IRSpecObjectClass
{
Instruction,
GenISAIntrinsic,
Intrinsic
};
class VerificationPass : public llvm::ModulePass
{
public:
// Pass identification, replacement for typeid
static char ID;
/// @brief Constructor
VerificationPass();
/// Destructor
~VerificationPass() {}
/// @brief Provides name of pass
virtual llvm::StringRef getPassName() const override
{
return "VerificationPass";
}
/// Entry point of the pass.
virtual bool runOnModule(llvm::Module& M) override;
protected:
// Module
llvm::Module* m_Module;
// String for collecting verification error messages.
std::string m_str;
// Stream interface for m_str
llvm::raw_string_ostream m_messagesToDump;
/// This structure contains sets of valid IGC IR objects
/// such as types, intrinsic functions, etc.
struct
{
std::set<unsigned int> FPTypeSizes;
std::set<unsigned int> vectorTypeSizes;
std::set<unsigned int> Instructions;
std::set<llvm::Intrinsic::ID> IGCLLVMIntrinsics; // LLVM intrinsics supported by IGC
} m_IGC_IR_spec;
/// Initialization of the pass data
void initVerificationPass();
void addIRSpecObject(IRSpecObjectClass objClass, unsigned int ID);
/// Verification of the function and its content.
bool verifyFunction(llvm::Function& F);
/// Verification of instruction.
bool verifyInstruction(llvm::Instruction& inst);
/// Common verification function that is executed
/// for all types of instructions.
bool verifyInstCommon(llvm::Instruction& inst);
///------------------------------------------------------
/// Instruction verification functions for specific
/// types of instructions should be declared here.
///------------------------------------------------------
/// Specific verification function for Call instructions.
bool verifyInstCall(llvm::Instruction& inst);
/// Specific verification function for insert/extract instructions.
bool verifyVectorInst(llvm::Instruction& inst);
///------------------------------------------------------
/// Verification of values
bool verifyValue(llvm::Value* val);
/// Verification of type
bool verifyType(llvm::Type* type, llvm::Value* val);
/// Dumps the verification errors.
void dumpMessages(llvm::Module& M);
/// Prints the LLVM value into m_messagesToDump text stream.
void printValue(llvm::Value* value);
};
} // namespace IGC
|
