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
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2023 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "GASPropagator.h"
#include "common/LLVMWarningsPush.hpp"
#include "llvm/Analysis/CallGraph.h"
#include "common/LLVMWarningsPop.hpp"
using namespace IGC;
namespace IGC {
llvm::ModulePass *createGASRetValuePropagatorPass();
class GASRetValuePropagator : public ModulePass {
Module *m_module = nullptr;
IGCMD::MetaDataUtils *m_mdUtils = nullptr;
CodeGenContext *m_ctx = nullptr;
GASPropagator *m_Propagator = nullptr;
public:
static char ID;
GASRetValuePropagator() : ModulePass(ID) { initializeGASRetValuePropagatorPass(*PassRegistry::getPassRegistry()); }
bool runOnModule(Module &) override;
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<MetaDataUtilsWrapper>();
AU.addRequired<CodeGenContextWrapper>();
AU.addRequired<CallGraphWrapperPass>();
AU.addRequired<LoopInfoWrapperPass>();
}
bool propagateReturnValue(Function *&);
std::vector<Function *> findCandidates(CallGraph &);
private:
std::vector<ReturnInst *> getAllRetInstructions(Function &);
void updateFunctionRetInstruction(Function *);
PointerType *getRetValueNonGASType(Function *);
void transferFunctionBody(Function *, Function *);
void updateAllUsesWithNewFunction(Function *, Function *);
void updateMetadata(Function *, Function *);
void updateDwarfAddressSpace(Function *);
DIDerivedType *getDIDerivedTypeWithDwarfAddrspace(DIDerivedType *, unsigned);
Function *createNewFunctionDecl(Function *, Type *);
Function *cloneFunctionWithModifiedRetType(Function *, PointerType *);
};
} // End namespace IGC
|
