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
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#ifndef IGCLLVM_TRANSFORMS_UTILS_LOCAL_H
#define IGCLLVM_TRANSFORMS_UTILS_LOCAL_H
#include "llvm/Config/llvm-config.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/IR/ValueHandle.h"
namespace IGCLLVM
{
/// In LLVM 11 first argument changed type from SmallVectorImpl<Instruction*> to SmallVectorImpl<WeakTrackingVH>
/// For LLVM >= 11: Proxy llvm:: call.
/// For LLVM < 11: Unpack WeakTrackingVH and call normally.
inline void RecursivelyDeleteTriviallyDeadInstructions(
llvm::SmallVectorImpl<llvm::WeakTrackingVH>& DeadInsts,
const llvm::TargetLibraryInfo* TLI = nullptr,
llvm::MemorySSAUpdater* MSSAU = nullptr)
{
using namespace llvm;
#if LLVM_VERSION_MAJOR < 11
SmallVector<Instruction*, 8> instPtrsVector = SmallVector<Instruction*, 8>();
// Unpack items of type 'WeakTrackingVH' to 'Instruction*'
for (unsigned i = 0; i < DeadInsts.size(); i++)
{
Value* tmpVecItem = DeadInsts[i]; // Using 'WeakTrackingVH::operator Value*()'
instPtrsVector.push_back(cast<Instruction>(tmpVecItem));
}
llvm::RecursivelyDeleteTriviallyDeadInstructions(instPtrsVector, TLI, MSSAU);
#else
llvm::RecursivelyDeleteTriviallyDeadInstructions(DeadInsts, TLI, MSSAU);
#endif
}
}
#endif
|
