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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
| //===--- IRPrintingPasses.cpp - Module and Function printing passes -------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// PrintModulePass and PrintFunctionPass implementations.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
PrintModulePass::PrintModulePass() : OS(dbgs()) {}
PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner,
bool ShouldPreserveUseListOrder)
: OS(OS), Banner(Banner),
ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) {}
PreservedAnalyses PrintModulePass::run(Module &M, ModuleAnalysisManager &) {
if (llvm::isFunctionInPrintList("*")) {
if (!Banner.empty())
OS << Banner << "\n";
M.print(OS, nullptr, ShouldPreserveUseListOrder);
}
else {
bool BannerPrinted = false;
for(const auto &F : M.functions()) {
if (llvm::isFunctionInPrintList(F.getName())) {
if (!BannerPrinted && !Banner.empty()) {
OS << Banner << "\n";
BannerPrinted = true;
}
F.print(OS);
}
}
}
return PreservedAnalyses::all();
}
PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {}
PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner)
: OS(OS), Banner(Banner) {}
PreservedAnalyses PrintFunctionPass::run(Function &F,
FunctionAnalysisManager &) {
if (isFunctionInPrintList(F.getName())) {
if (forcePrintModuleIR())
OS << Banner << " (function: " << F.getName() << ")\n" << *F.getParent();
else
OS << Banner << static_cast<Value &>(F);
}
return PreservedAnalyses::all();
}
namespace {
class PrintModulePassWrapper : public ModulePass {
PrintModulePass P;
public:
static char ID;
PrintModulePassWrapper() : ModulePass(ID) {}
PrintModulePassWrapper(raw_ostream &OS, const std::string &Banner,
bool ShouldPreserveUseListOrder)
: ModulePass(ID), P(OS, Banner, ShouldPreserveUseListOrder) {}
bool runOnModule(Module &M) override {
ModuleAnalysisManager DummyMAM;
P.run(M, DummyMAM);
return false;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
StringRef getPassName() const override { return "Print Module IR"; }
};
class PrintFunctionPassWrapper : public FunctionPass {
PrintFunctionPass P;
public:
static char ID;
PrintFunctionPassWrapper() : FunctionPass(ID) {}
PrintFunctionPassWrapper(raw_ostream &OS, const std::string &Banner)
: FunctionPass(ID), P(OS, Banner) {}
// This pass just prints a banner followed by the function as it's processed.
bool runOnFunction(Function &F) override {
FunctionAnalysisManager DummyFAM;
P.run(F, DummyFAM);
return false;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
StringRef getPassName() const override { return "Print Function IR"; }
};
class PrintBasicBlockPass : public BasicBlockPass {
raw_ostream &Out;
std::string Banner;
public:
static char ID;
PrintBasicBlockPass() : BasicBlockPass(ID), Out(dbgs()) {}
PrintBasicBlockPass(raw_ostream &Out, const std::string &Banner)
: BasicBlockPass(ID), Out(Out), Banner(Banner) {}
bool runOnBasicBlock(BasicBlock &BB) override {
Out << Banner << BB;
return false;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
StringRef getPassName() const override { return "Print BasicBlock IR"; }
};
}
char PrintModulePassWrapper::ID = 0;
INITIALIZE_PASS(PrintModulePassWrapper, "print-module",
"Print module to stderr", false, true)
char PrintFunctionPassWrapper::ID = 0;
INITIALIZE_PASS(PrintFunctionPassWrapper, "print-function",
"Print function to stderr", false, true)
char PrintBasicBlockPass::ID = 0;
INITIALIZE_PASS(PrintBasicBlockPass, "print-bb", "Print BB to stderr", false,
true)
ModulePass *llvm::createPrintModulePass(llvm::raw_ostream &OS,
const std::string &Banner,
bool ShouldPreserveUseListOrder) {
return new PrintModulePassWrapper(OS, Banner, ShouldPreserveUseListOrder);
}
FunctionPass *llvm::createPrintFunctionPass(llvm::raw_ostream &OS,
const std::string &Banner) {
return new PrintFunctionPassWrapper(OS, Banner);
}
BasicBlockPass *llvm::createPrintBasicBlockPass(llvm::raw_ostream &OS,
const std::string &Banner) {
return new PrintBasicBlockPass(OS, Banner);
}
bool llvm::isIRPrintingPass(Pass *P) {
const char *PID = (const char*)P->getPassID();
return (PID == &PrintModulePassWrapper::ID)
|| (PID == &PrintFunctionPassWrapper::ID)
|| (PID == &PrintBasicBlockPass::ID);
}
|