Bug Summary

File:lib/Analysis/RegionPrinter.cpp
Location:line 94, column 9
Description:Called C++ object pointer is null

Annotated Source Code

1//===- RegionPrinter.cpp - Print regions tree pass ------------------------===//
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//===----------------------------------------------------------------------===//
9// Print out the region tree of a function using dotty/graphviz.
10//===----------------------------------------------------------------------===//
11
12#include "llvm/Analysis/Passes.h"
13#include "llvm/ADT/DepthFirstIterator.h"
14#include "llvm/ADT/PostOrderIterator.h"
15#include "llvm/ADT/Statistic.h"
16#include "llvm/Analysis/DOTGraphTraitsPass.h"
17#include "llvm/Analysis/RegionInfo.h"
18#include "llvm/Analysis/RegionIterator.h"
19#include "llvm/Analysis/RegionPrinter.h"
20#include "llvm/Support/CommandLine.h"
21#include "llvm/Support/Debug.h"
22#include "llvm/Support/raw_ostream.h"
23
24using namespace llvm;
25
26//===----------------------------------------------------------------------===//
27/// onlySimpleRegion - Show only the simple regions in the RegionViewer.
28static cl::opt<bool>
29onlySimpleRegions("only-simple-regions",
30 cl::desc("Show only simple regions in the graphviz viewer"),
31 cl::Hidden,
32 cl::init(false));
33
34namespace llvm {
35template<>
36struct DOTGraphTraits<RegionNode*> : public DefaultDOTGraphTraits {
37
38 DOTGraphTraits (bool isSimple=false)
39 : DefaultDOTGraphTraits(isSimple) {}
40
41 std::string getNodeLabel(RegionNode *Node, RegionNode *Graph) {
42
43 if (!Node->isSubRegion()) {
44 BasicBlock *BB = Node->getNodeAs<BasicBlock>();
45
46 if (isSimple())
47 return DOTGraphTraits<const Function*>
48 ::getSimpleNodeLabel(BB, BB->getParent());
49 else
50 return DOTGraphTraits<const Function*>
51 ::getCompleteNodeLabel(BB, BB->getParent());
52 }
53
54 return "Not implemented";
55 }
56};
57
58template<>
59struct DOTGraphTraits<RegionInfoPass*> : public DOTGraphTraits<RegionNode*> {
60
61 DOTGraphTraits (bool isSimple = false)
62 : DOTGraphTraits<RegionNode*>(isSimple) {}
63
64 static std::string getGraphName(RegionInfoPass *DT) {
65 return "Region Graph";
66 }
67
68 std::string getNodeLabel(RegionNode *Node, RegionInfoPass *G) {
69 RegionInfo &RI = G->getRegionInfo();
70 return DOTGraphTraits<RegionNode*>::getNodeLabel(Node,
71 reinterpret_cast<RegionNode*>(RI.getTopLevelRegion()));
72 }
73
74 std::string getEdgeAttributes(RegionNode *srcNode,
75 GraphTraits<RegionInfo*>::ChildIteratorType CI, RegionInfoPass *G) {
76 RegionInfo &RI = G->getRegionInfo();
77 RegionNode *destNode = *CI;
78
79 if (srcNode->isSubRegion() || destNode->isSubRegion())
1
Taking false branch
→
80 return "";
81
82 // In case of a backedge, do not use it to define the layout of the nodes.
83 BasicBlock *srcBB = srcNode->getNodeAs<BasicBlock>();
84 BasicBlock *destBB = destNode->getNodeAs<BasicBlock>();
85
86 Region *R = RI.getRegionFor(destBB);
2
←
'R' initialized here
→
87
88 while (R && R->getParent())
3
←
Assuming pointer value is null
→
89 if (R->getParent()->getEntry() == destBB)
90 R = R->getParent();
91 else
92 break;
93
94 if (R->getEntry() == destBB && R->contains(srcBB))
4
←
Called C++ object pointer is null
95 return "constraint=false";
96
97 return "";
98 }
99
100 // Print the cluster of the subregions. This groups the single basic blocks
101 // and adds a different background color for each group.
102 static void printRegionCluster(const Region &R,
103 GraphWriter<RegionInfoPass*> &GW,
104 unsigned depth = 0) {
105 raw_ostream &O = GW.getOStream();
106 O.indent(2 * depth) << "subgraph cluster_" << static_cast<const void*>(&R)
107 << " {\n";
108 O.indent(2 * (depth + 1)) << "label = \"\";\n";
109
110 if (!onlySimpleRegions || R.isSimple()) {
111 O.indent(2 * (depth + 1)) << "style = filled;\n";
112 O.indent(2 * (depth + 1)) << "color = "
113 << ((R.getDepth() * 2 % 12) + 1) << "\n";
114
115 } else {
116 O.indent(2 * (depth + 1)) << "style = solid;\n";
117 O.indent(2 * (depth + 1)) << "color = "
118 << ((R.getDepth() * 2 % 12) + 2) << "\n";
119 }
120
121 for (Region::const_iterator RI = R.begin(), RE = R.end(); RI != RE; ++RI)
122 printRegionCluster(**RI, GW, depth + 1);
123
124 const RegionInfo &RI = *static_cast<const RegionInfo*>(R.getRegionInfo());
125
126 for (auto *BB : R.blocks())
127 if (RI.getRegionFor(BB) == &R)
128 O.indent(2 * (depth + 1)) << "Node"
129 << static_cast<const void*>(RI.getTopLevelRegion()->getBBNode(BB))
130 << ";\n";
131
132 O.indent(2 * depth) << "}\n";
133 }
134
135 static void addCustomGraphFeatures(const RegionInfoPass* RIP,
136 GraphWriter<RegionInfoPass*> &GW) {
137 const RegionInfo &RI = RIP->getRegionInfo();
138 raw_ostream &O = GW.getOStream();
139 O << "\tcolorscheme = \"paired12\"\n";
140 printRegionCluster(*RI.getTopLevelRegion(), GW, 4);
141 }
142};
143} //end namespace llvm
144
145namespace {
146
147struct RegionViewer
148 : public DOTGraphTraitsViewer<RegionInfoPass, false> {
149 static char ID;
150 RegionViewer() : DOTGraphTraitsViewer<RegionInfoPass, false>("reg", ID){
151 initializeRegionViewerPass(*PassRegistry::getPassRegistry());
152 }
153};
154char RegionViewer::ID = 0;
155
156struct RegionOnlyViewer
157 : public DOTGraphTraitsViewer<RegionInfoPass, true> {
158 static char ID;
159 RegionOnlyViewer() : DOTGraphTraitsViewer<RegionInfoPass, true>("regonly", ID) {
160 initializeRegionOnlyViewerPass(*PassRegistry::getPassRegistry());
161 }
162};
163char RegionOnlyViewer::ID = 0;
164
165struct RegionPrinter
166 : public DOTGraphTraitsPrinter<RegionInfoPass, false> {
167 static char ID;
168 RegionPrinter() :
169 DOTGraphTraitsPrinter<RegionInfoPass, false>("reg", ID) {
170 initializeRegionPrinterPass(*PassRegistry::getPassRegistry());
171 }
172};
173char RegionPrinter::ID = 0;
174} //end anonymous namespace
175
176INITIALIZE_PASS(RegionPrinter, "dot-regions",static void* initializeRegionPrinterPassOnce(PassRegistry &
Registry) { PassInfo *PI = new PassInfo("Print regions of function to 'dot' file"
, "dot-regions", & RegionPrinter ::ID, PassInfo::NormalCtor_t
(callDefaultCtor< RegionPrinter >), true, true); Registry
.registerPass(*PI, true); return PI; } void llvm::initializeRegionPrinterPass
(PassRegistry &Registry) { static volatile sys::cas_flag initialized
= 0; sys::cas_flag old_val = sys::CompareAndSwap(&initialized
, 1, 0); if (old_val == 0) { initializeRegionPrinterPassOnce(
Registry); sys::MemoryFence(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 177); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 177, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 177); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 177, &initialized); }
177 "Print regions of function to 'dot' file", true, true)static void* initializeRegionPrinterPassOnce(PassRegistry &
Registry) { PassInfo *PI = new PassInfo("Print regions of function to 'dot' file"
, "dot-regions", & RegionPrinter ::ID, PassInfo::NormalCtor_t
(callDefaultCtor< RegionPrinter >), true, true); Registry
.registerPass(*PI, true); return PI; } void llvm::initializeRegionPrinterPass
(PassRegistry &Registry) { static volatile sys::cas_flag initialized
= 0; sys::cas_flag old_val = sys::CompareAndSwap(&initialized
, 1, 0); if (old_val == 0) { initializeRegionPrinterPassOnce(
Registry); sys::MemoryFence(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 177); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 177, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 177); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 177, &initialized); }
178
179INITIALIZE_PASS(RegionViewer, "view-regions", "View regions of function",static void* initializeRegionViewerPassOnce(PassRegistry &
Registry) { PassInfo *PI = new PassInfo("View regions of function"
, "view-regions", & RegionViewer ::ID, PassInfo::NormalCtor_t
(callDefaultCtor< RegionViewer >), true, true); Registry
.registerPass(*PI, true); return PI; } void llvm::initializeRegionViewerPass
(PassRegistry &Registry) { static volatile sys::cas_flag initialized
= 0; sys::cas_flag old_val = sys::CompareAndSwap(&initialized
, 1, 0); if (old_val == 0) { initializeRegionViewerPassOnce(Registry
); sys::MemoryFence(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 180); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 180, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 180); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 180, &initialized); }
180 true, true)static void* initializeRegionViewerPassOnce(PassRegistry &
Registry) { PassInfo *PI = new PassInfo("View regions of function"
, "view-regions", & RegionViewer ::ID, PassInfo::NormalCtor_t
(callDefaultCtor< RegionViewer >), true, true); Registry
.registerPass(*PI, true); return PI; } void llvm::initializeRegionViewerPass
(PassRegistry &Registry) { static volatile sys::cas_flag initialized
= 0; sys::cas_flag old_val = sys::CompareAndSwap(&initialized
, 1, 0); if (old_val == 0) { initializeRegionViewerPassOnce(Registry
); sys::MemoryFence(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 180); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 180, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 180); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 180, &initialized); }
181
182INITIALIZE_PASS(RegionOnlyViewer, "view-regions-only",static void* initializeRegionOnlyViewerPassOnce(PassRegistry &
Registry) { PassInfo *PI = new PassInfo("View regions of function (with no function bodies)"
, "view-regions-only", & RegionOnlyViewer ::ID, PassInfo::
NormalCtor_t(callDefaultCtor< RegionOnlyViewer >), true
, true); Registry.registerPass(*PI, true); return PI; } void llvm
::initializeRegionOnlyViewerPass(PassRegistry &Registry) {
static volatile sys::cas_flag initialized = 0; sys::cas_flag
old_val = sys::CompareAndSwap(&initialized, 1, 0); if (old_val
== 0) { initializeRegionOnlyViewerPassOnce(Registry); sys::MemoryFence
(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184, &initialized); }
183 "View regions of function (with no function bodies)",static void* initializeRegionOnlyViewerPassOnce(PassRegistry &
Registry) { PassInfo *PI = new PassInfo("View regions of function (with no function bodies)"
, "view-regions-only", & RegionOnlyViewer ::ID, PassInfo::
NormalCtor_t(callDefaultCtor< RegionOnlyViewer >), true
, true); Registry.registerPass(*PI, true); return PI; } void llvm
::initializeRegionOnlyViewerPass(PassRegistry &Registry) {
static volatile sys::cas_flag initialized = 0; sys::cas_flag
old_val = sys::CompareAndSwap(&initialized, 1, 0); if (old_val
== 0) { initializeRegionOnlyViewerPassOnce(Registry); sys::MemoryFence
(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184, &initialized); }
184 true, true)static void* initializeRegionOnlyViewerPassOnce(PassRegistry &
Registry) { PassInfo *PI = new PassInfo("View regions of function (with no function bodies)"
, "view-regions-only", & RegionOnlyViewer ::ID, PassInfo::
NormalCtor_t(callDefaultCtor< RegionOnlyViewer >), true
, true); Registry.registerPass(*PI, true); return PI; } void llvm
::initializeRegionOnlyViewerPass(PassRegistry &Registry) {
static volatile sys::cas_flag initialized = 0; sys::cas_flag
old_val = sys::CompareAndSwap(&initialized, 1, 0); if (old_val
== 0) { initializeRegionOnlyViewerPassOnce(Registry); sys::MemoryFence
(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 184, &initialized); }
185
186namespace {
187
188struct RegionOnlyPrinter
189 : public DOTGraphTraitsPrinter<RegionInfoPass, true> {
190 static char ID;
191 RegionOnlyPrinter() :
192 DOTGraphTraitsPrinter<RegionInfoPass, true>("reg", ID) {
193 initializeRegionOnlyPrinterPass(*PassRegistry::getPassRegistry());
194 }
195};
196
197}
198
199char RegionOnlyPrinter::ID = 0;
200INITIALIZE_PASS(RegionOnlyPrinter, "dot-regions-only",static void* initializeRegionOnlyPrinterPassOnce(PassRegistry
&Registry) { PassInfo *PI = new PassInfo("Print regions of function to 'dot' file "
"(with no function bodies)", "dot-regions-only", & RegionOnlyPrinter
::ID, PassInfo::NormalCtor_t(callDefaultCtor< RegionOnlyPrinter
>), true, true); Registry.registerPass(*PI, true); return
PI; } void llvm::initializeRegionOnlyPrinterPass(PassRegistry
&Registry) { static volatile sys::cas_flag initialized =
0; sys::cas_flag old_val = sys::CompareAndSwap(&initialized
, 1, 0); if (old_val == 0) { initializeRegionOnlyPrinterPassOnce
(Registry); sys::MemoryFence(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203, &initialized); }
201 "Print regions of function to 'dot' file "static void* initializeRegionOnlyPrinterPassOnce(PassRegistry
&Registry) { PassInfo *PI = new PassInfo("Print regions of function to 'dot' file "
"(with no function bodies)", "dot-regions-only", & RegionOnlyPrinter
::ID, PassInfo::NormalCtor_t(callDefaultCtor< RegionOnlyPrinter
>), true, true); Registry.registerPass(*PI, true); return
PI; } void llvm::initializeRegionOnlyPrinterPass(PassRegistry
&Registry) { static volatile sys::cas_flag initialized =
0; sys::cas_flag old_val = sys::CompareAndSwap(&initialized
, 1, 0); if (old_val == 0) { initializeRegionOnlyPrinterPassOnce
(Registry); sys::MemoryFence(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203, &initialized); }
202 "(with no function bodies)",static void* initializeRegionOnlyPrinterPassOnce(PassRegistry
&Registry) { PassInfo *PI = new PassInfo("Print regions of function to 'dot' file "
"(with no function bodies)", "dot-regions-only", & RegionOnlyPrinter
::ID, PassInfo::NormalCtor_t(callDefaultCtor< RegionOnlyPrinter
>), true, true); Registry.registerPass(*PI, true); return
PI; } void llvm::initializeRegionOnlyPrinterPass(PassRegistry
&Registry) { static volatile sys::cas_flag initialized =
0; sys::cas_flag old_val = sys::CompareAndSwap(&initialized
, 1, 0); if (old_val == 0) { initializeRegionOnlyPrinterPassOnce
(Registry); sys::MemoryFence(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203, &initialized); }
203 true, true)static void* initializeRegionOnlyPrinterPassOnce(PassRegistry
&Registry) { PassInfo *PI = new PassInfo("Print regions of function to 'dot' file "
"(with no function bodies)", "dot-regions-only", & RegionOnlyPrinter
::ID, PassInfo::NormalCtor_t(callDefaultCtor< RegionOnlyPrinter
>), true, true); Registry.registerPass(*PI, true); return
PI; } void llvm::initializeRegionOnlyPrinterPass(PassRegistry
&Registry) { static volatile sys::cas_flag initialized =
0; sys::cas_flag old_val = sys::CompareAndSwap(&initialized
, 1, 0); if (old_val == 0) { initializeRegionOnlyPrinterPassOnce
(Registry); sys::MemoryFence(); AnnotateIgnoreWritesBegin("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203); AnnotateHappensBefore("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203, &initialized); initialized = 2; AnnotateIgnoreWritesEnd
("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203); } else { sys::cas_flag tmp = initialized; sys::MemoryFence
(); while (tmp != 2) { tmp = initialized; sys::MemoryFence();
} } AnnotateHappensAfter("/tmp/buildd/llvm-toolchain-snapshot-3.7~svn240924/lib/Analysis/RegionPrinter.cpp"
, 203, &initialized); }
204
205FunctionPass* llvm::createRegionViewerPass() {
206 return new RegionViewer();
207}
208
209FunctionPass* llvm::createRegionOnlyViewerPass() {
210 return new RegionOnlyViewer();
211}
212
213FunctionPass* llvm::createRegionPrinterPass() {
214 return new RegionPrinter();
215}
216
217FunctionPass* llvm::createRegionOnlyPrinterPass() {
218 return new RegionOnlyPrinter();
219}
220