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llvm-dis.cpp (218885) llvm-dis.cpp (221337)
1//===-- llvm-dis.cpp - The low-level LLVM disassembler --------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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14// Options:
15// --help - Output information about command line switches
16//
17//===----------------------------------------------------------------------===//
18
19#include "llvm/LLVMContext.h"
20#include "llvm/Module.h"
21#include "llvm/Type.h"
1//===-- llvm-dis.cpp - The low-level LLVM disassembler --------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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14// Options:
15// --help - Output information about command line switches
16//
17//===----------------------------------------------------------------------===//
18
19#include "llvm/LLVMContext.h"
20#include "llvm/Module.h"
21#include "llvm/Type.h"
22#include "llvm/IntrinsicInst.h"
22#include "llvm/Bitcode/ReaderWriter.h"
23#include "llvm/Bitcode/ReaderWriter.h"
24#include "llvm/Analysis/DebugInfo.h"
23#include "llvm/Assembly/AssemblyAnnotationWriter.h"
24#include "llvm/Support/CommandLine.h"
25#include "llvm/Support/FormattedStream.h"
26#include "llvm/Support/ManagedStatic.h"
27#include "llvm/Support/MemoryBuffer.h"
28#include "llvm/Support/PrettyStackTrace.h"
29#include "llvm/Support/ToolOutputFile.h"
30#include "llvm/Support/Signals.h"

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45DontPrint("disable-output", cl::desc("Don't output the .ll file"), cl::Hidden);
46
47static cl::opt<bool>
48ShowAnnotations("show-annotations",
49 cl::desc("Add informational comments to the .ll file"));
50
51namespace {
52
25#include "llvm/Assembly/AssemblyAnnotationWriter.h"
26#include "llvm/Support/CommandLine.h"
27#include "llvm/Support/FormattedStream.h"
28#include "llvm/Support/ManagedStatic.h"
29#include "llvm/Support/MemoryBuffer.h"
30#include "llvm/Support/PrettyStackTrace.h"
31#include "llvm/Support/ToolOutputFile.h"
32#include "llvm/Support/Signals.h"

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47DontPrint("disable-output", cl::desc("Don't output the .ll file"), cl::Hidden);
48
49static cl::opt<bool>
50ShowAnnotations("show-annotations",
51 cl::desc("Add informational comments to the .ll file"));
52
53namespace {
54
55static void printDebugLoc(const DebugLoc &DL, formatted_raw_ostream &OS) {
56 OS << DL.getLine() << ":" << DL.getCol();
57 if (MDNode *N = DL.getInlinedAt(getGlobalContext())) {
58 DebugLoc IDL = DebugLoc::getFromDILocation(N);
59 if (!IDL.isUnknown()) {
60 OS << "@";
61 printDebugLoc(IDL,OS);
62 }
63 }
64}
53class CommentWriter : public AssemblyAnnotationWriter {
54public:
55 void emitFunctionAnnot(const Function *F,
56 formatted_raw_ostream &OS) {
57 OS << "; [#uses=" << F->getNumUses() << ']'; // Output # uses
58 OS << '\n';
59 }
60 void printInfoComment(const Value &V, formatted_raw_ostream &OS) {
65class CommentWriter : public AssemblyAnnotationWriter {
66public:
67 void emitFunctionAnnot(const Function *F,
68 formatted_raw_ostream &OS) {
69 OS << "; [#uses=" << F->getNumUses() << ']'; // Output # uses
70 OS << '\n';
71 }
72 void printInfoComment(const Value &V, formatted_raw_ostream &OS) {
61 if (V.getType()->isVoidTy()) return;
62
63 OS.PadToColumn(50);
64 OS << "; [#uses=" << V.getNumUses() << ']'; // Output # uses
73 bool Padded = false;
74 if (!V.getType()->isVoidTy()) {
75 OS.PadToColumn(50);
76 Padded = true;
77 OS << "; [#uses=" << V.getNumUses() << " type=" << V.getType()->getDescription() << "]"; // Output # uses and type
78 }
79 if (const Instruction *I = dyn_cast<Instruction>(&V)) {
80 const DebugLoc &DL = I->getDebugLoc();
81 if (!DL.isUnknown()) {
82 if (!Padded) {
83 OS.PadToColumn(50);
84 Padded = true;
85 OS << ";";
86 }
87 OS << " [debug line = ";
88 printDebugLoc(DL,OS);
89 OS << "]";
90 }
91 if (const DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I)) {
92 DIVariable Var(DDI->getVariable());
93 if (!Padded) {
94 OS.PadToColumn(50);
95 Padded = true;
96 OS << ";";
97 }
98 OS << " [debug variable = " << Var.getName() << "]";
99 }
100 else if (const DbgValueInst *DVI = dyn_cast<DbgValueInst>(I)) {
101 DIVariable Var(DVI->getVariable());
102 if (!Padded) {
103 OS.PadToColumn(50);
104 Padded = true;
105 OS << ";";
106 }
107 OS << " [debug variable = " << Var.getName() << "]";
108 }
109 }
65 }
66};
67
68} // end anon namespace
69
70int main(int argc, char **argv) {
71 // Print a stack trace if we signal out.
72 sys::PrintStackTraceOnErrorSignal();

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111};
112
113} // end anon namespace
114
115int main(int argc, char **argv) {
116 // Print a stack trace if we signal out.
117 sys::PrintStackTraceOnErrorSignal();

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