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
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2022-2023 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
//===----------------------------------------------------------------------===//
//
// The purpose of this pass is to add a limit for each loop,
// so no infinite loops occur.
//===----------------------------------------------------------------------===//
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include "common/LLVMWarningsPop.hpp"
using namespace llvm;
namespace IGC {
class CapLoopIterations : public FunctionPass {
public:
CapLoopIterations();
CapLoopIterations(uint32_t iterationLimit);
virtual bool runOnFunction(Function &F) override;
llvm::StringRef getPassName() const override { return "CapLoopIterationsPass"; }
virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override;
static char ID;
private:
uint32_t m_iterationLimit = UINT_MAX;
};
} // namespace IGC
|
