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) 2019-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "Compiler/CodeGenContextWrapper.hpp"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/InstVisitor.h>
#include "common/LLVMWarningsPop.hpp"
namespace IGC {
class UnreachableHandling : public llvm::FunctionPass, public llvm::InstVisitor<UnreachableHandling> {
public:
static char ID;
UnreachableHandling();
~UnreachableHandling() {}
virtual llvm::StringRef getPassName() const override { return "UnreachableHandling"; }
virtual bool runOnFunction(llvm::Function &F) override;
virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {}
void visitUnreachableInst(llvm::UnreachableInst &I);
private:
bool m_changed = false;
std::vector<llvm::UnreachableInst *> m_instsToReplace;
void replaceUnreachable(llvm::UnreachableInst *I);
};
} // namespace IGC
|
