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
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2022 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "GASPropagator.h"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Analysis/AliasAnalysis.h>
#include "llvm/ADT/PostOrderIterator.h"
#include "common/LLVMWarningsPop.hpp"
#define DEBUG_TYPE "gas-resolver"
using namespace llvm;
using namespace IGC;
using namespace IGC::IGCMD;
using namespace llvm::PatternMatch;
namespace IGC {
llvm::FunctionPass* createResolveGASPass();
class GASResolving : public FunctionPass {
const unsigned GAS = ADDRESS_SPACE_GENERIC;
BuilderType* IRB;
GASPropagator* Propagator;
public:
static char ID;
GASResolving() : FunctionPass(ID), IRB(nullptr), Propagator(nullptr) {
initializeGASResolvingPass(*PassRegistry::getPassRegistry());
}
bool runOnFunction(Function&) override;
void getAnalysisUsage(AnalysisUsage& AU) const override {
AU.setPreservesCFG();
AU.addRequired<LoopInfoWrapperPass>();
AU.addRequired<AAResultsWrapperPass>();
AU.addRequired<MetaDataUtilsWrapper>();
}
private:
bool resolveOnFunction(Function*) const;
bool resolveOnBasicBlock(BasicBlock*) const;
bool resolveMemoryFromHost(Function&) const;
bool checkGenericArguments(Function& F) const;
void convertLoadToGlobal(LoadInst* LI) const;
bool isLoadGlobalCandidate(LoadInst* LI) const;
bool canonicalizeAddrSpaceCasts(Function& F) const;
};
} // End namespace IGC
|
