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
|
//===--- 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 for the legacy pass
// manager.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PrintPasses.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
cl::opt<bool> WriteNewDbgInfoFormat(
"write-experimental-debuginfo",
cl::desc("Write debug info in the new non-intrinsic format. Has no effect "
"if --preserve-input-debuginfo-format=true."),
cl::init(true));
namespace {
class PrintModulePassWrapper : public ModulePass {
raw_ostream &OS;
std::string Banner;
bool ShouldPreserveUseListOrder;
public:
static char ID;
PrintModulePassWrapper() : ModulePass(ID), OS(dbgs()) {}
PrintModulePassWrapper(raw_ostream &OS, const std::string &Banner,
bool ShouldPreserveUseListOrder)
: ModulePass(ID), OS(OS), Banner(Banner),
ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) {}
bool runOnModule(Module &M) override {
// RemoveDIs: Regardless of the format we've processed this module in, use
// `WriteNewDbgInfoFormat` to determine which format we use to write it.
ScopedDbgInfoFormatSetter FormatSetter(M, WriteNewDbgInfoFormat);
// Remove intrinsic declarations when printing in the new format.
// TODO: Move this into Module::setIsNewDbgInfoFormat when we're ready to
// update test output.
if (WriteNewDbgInfoFormat)
M.removeDebugIntrinsicDeclarations();
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 false;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
StringRef getPassName() const override { return "Print Module IR"; }
};
class PrintFunctionPassWrapper : public FunctionPass {
raw_ostream &OS;
std::string Banner;
public:
static char ID;
PrintFunctionPassWrapper() : FunctionPass(ID), OS(dbgs()) {}
PrintFunctionPassWrapper(raw_ostream &OS, const std::string &Banner)
: FunctionPass(ID), OS(OS), Banner(Banner) {}
// This pass just prints a banner followed by the function as it's processed.
bool runOnFunction(Function &F) override {
// RemoveDIs: Regardless of the format we've processed this function in, use
// `WriteNewDbgInfoFormat` to determine which format we use to write it.
ScopedDbgInfoFormatSetter FormatSetter(F, WriteNewDbgInfoFormat);
if (isFunctionInPrintList(F.getName())) {
if (forcePrintModuleIR())
OS << Banner << " (function: " << F.getName() << ")\n"
<< *F.getParent();
else
OS << Banner << '\n' << static_cast<Value &>(F);
}
return false;
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
StringRef getPassName() const override { return "Print Function IR"; }
};
} // namespace
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)
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);
}
bool llvm::isIRPrintingPass(Pass *P) {
const char *PID = (const char *)P->getPassID();
return (PID == &PrintModulePassWrapper::ID) ||
(PID == &PrintFunctionPassWrapper::ID);
}
|
