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MachineBasicBlock.cpp (198090) MachineBasicBlock.cpp (198892)
1//===-- llvm/CodeGen/MachineBasicBlock.cpp ----------------------*- C++ -*-===//
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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15#include "llvm/BasicBlock.h"
16#include "llvm/CodeGen/MachineFunction.h"
17#include "llvm/Target/TargetRegisterInfo.h"
18#include "llvm/Target/TargetData.h"
19#include "llvm/Target/TargetInstrDesc.h"
20#include "llvm/Target/TargetMachine.h"
21#include "llvm/Support/LeakDetector.h"
22#include "llvm/Support/raw_ostream.h"
1//===-- llvm/CodeGen/MachineBasicBlock.cpp ----------------------*- C++ -*-===//
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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15#include "llvm/BasicBlock.h"
16#include "llvm/CodeGen/MachineFunction.h"
17#include "llvm/Target/TargetRegisterInfo.h"
18#include "llvm/Target/TargetData.h"
19#include "llvm/Target/TargetInstrDesc.h"
20#include "llvm/Target/TargetMachine.h"
21#include "llvm/Support/LeakDetector.h"
22#include "llvm/Support/raw_ostream.h"
23#include "llvm/Assembly/Writer.h"
23#include <algorithm>
24using namespace llvm;
25
26MachineBasicBlock::MachineBasicBlock(MachineFunction &mf, const BasicBlock *bb)
24#include <algorithm>
25using namespace llvm;
26
27MachineBasicBlock::MachineBasicBlock(MachineFunction &mf, const BasicBlock *bb)
27 : BB(bb), Number(-1), xParent(&mf), Alignment(0), IsLandingPad(false) {
28 : BB(bb), Number(-1), xParent(&mf), Alignment(0), IsLandingPad(false),
29 AddressTaken(false) {
28 Insts.Parent = this;
29}
30
31MachineBasicBlock::~MachineBasicBlock() {
32 LeakDetector::removeGarbageObject(this);
33}
34
35raw_ostream &llvm::operator<<(raw_ostream &OS, const MachineBasicBlock &MBB) {

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155}
156
157void MachineBasicBlock::dump() const {
158 print(errs());
159}
160
161static inline void OutputReg(raw_ostream &os, unsigned RegNo,
162 const TargetRegisterInfo *TRI = 0) {
30 Insts.Parent = this;
31}
32
33MachineBasicBlock::~MachineBasicBlock() {
34 LeakDetector::removeGarbageObject(this);
35}
36
37raw_ostream &llvm::operator<<(raw_ostream &OS, const MachineBasicBlock &MBB) {

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157}
158
159void MachineBasicBlock::dump() const {
160 print(errs());
161}
162
163static inline void OutputReg(raw_ostream &os, unsigned RegNo,
164 const TargetRegisterInfo *TRI = 0) {
163 if (!RegNo || TargetRegisterInfo::isPhysicalRegister(RegNo)) {
165 if (RegNo != 0 && TargetRegisterInfo::isPhysicalRegister(RegNo)) {
164 if (TRI)
165 os << " %" << TRI->get(RegNo).Name;
166 else
166 if (TRI)
167 os << " %" << TRI->get(RegNo).Name;
168 else
167 os << " %mreg(" << RegNo << ")";
169 os << " %physreg" << RegNo;
168 } else
169 os << " %reg" << RegNo;
170}
171
172void MachineBasicBlock::print(raw_ostream &OS) const {
173 const MachineFunction *MF = getParent();
174 if (!MF) {
175 OS << "Can't print out MachineBasicBlock because parent MachineFunction"
176 << " is null\n";
177 return;
178 }
179
170 } else
171 os << " %reg" << RegNo;
172}
173
174void MachineBasicBlock::print(raw_ostream &OS) const {
175 const MachineFunction *MF = getParent();
176 if (!MF) {
177 OS << "Can't print out MachineBasicBlock because parent MachineFunction"
178 << " is null\n";
179 return;
180 }
181
180 const BasicBlock *LBB = getBasicBlock();
182 if (Alignment) { OS << "Alignment " << Alignment << "\n"; }
183
184 OS << "BB#" << getNumber() << ": ";
185
186 const char *Comma = "";
187 if (const BasicBlock *LBB = getBasicBlock()) {
188 OS << Comma << "derived from LLVM BB ";
189 WriteAsOperand(OS, LBB, /*PrintType=*/false);
190 Comma = ", ";
191 }
192 if (isLandingPad()) { OS << Comma << "EH LANDING PAD"; Comma = ", "; }
193 if (hasAddressTaken()) { OS << Comma << "ADDRESS TAKEN"; Comma = ", "; }
181 OS << '\n';
194 OS << '\n';
182 if (LBB) OS << LBB->getName() << ": ";
183 OS << (const void*)this
184 << ", LLVM BB @" << (const void*) LBB << ", ID#" << getNumber();
185 if (Alignment) OS << ", Alignment " << Alignment;
186 if (isLandingPad()) OS << ", EH LANDING PAD";
187 OS << ":\n";
188
189 const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
190 if (!livein_empty()) {
195
196 const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo();
197 if (!livein_empty()) {
191 OS << "Live Ins:";
198 OS << " Live Ins:";
192 for (const_livein_iterator I = livein_begin(),E = livein_end(); I != E; ++I)
193 OutputReg(OS, *I, TRI);
194 OS << '\n';
195 }
196 // Print the preds of this block according to the CFG.
197 if (!pred_empty()) {
198 OS << " Predecessors according to CFG:";
199 for (const_pred_iterator PI = pred_begin(), E = pred_end(); PI != E; ++PI)
199 for (const_livein_iterator I = livein_begin(),E = livein_end(); I != E; ++I)
200 OutputReg(OS, *I, TRI);
201 OS << '\n';
202 }
203 // Print the preds of this block according to the CFG.
204 if (!pred_empty()) {
205 OS << " Predecessors according to CFG:";
206 for (const_pred_iterator PI = pred_begin(), E = pred_end(); PI != E; ++PI)
200 OS << ' ' << *PI << " (#" << (*PI)->getNumber() << ')';
207 OS << " BB#" << (*PI)->getNumber();
201 OS << '\n';
202 }
203
204 for (const_iterator I = begin(); I != end(); ++I) {
205 OS << '\t';
206 I->print(OS, &getParent()->getTarget());
207 }
208
209 // Print the successors of this block according to the CFG.
210 if (!succ_empty()) {
211 OS << " Successors according to CFG:";
212 for (const_succ_iterator SI = succ_begin(), E = succ_end(); SI != E; ++SI)
208 OS << '\n';
209 }
210
211 for (const_iterator I = begin(); I != end(); ++I) {
212 OS << '\t';
213 I->print(OS, &getParent()->getTarget());
214 }
215
216 // Print the successors of this block according to the CFG.
217 if (!succ_empty()) {
218 OS << " Successors according to CFG:";
219 for (const_succ_iterator SI = succ_begin(), E = succ_end(); SI != E; ++SI)
213 OS << ' ' << *SI << " (#" << (*SI)->getNumber() << ')';
220 OS << " BB#" << (*SI)->getNumber();
214 OS << '\n';
215 }
216}
217
218void MachineBasicBlock::removeLiveIn(unsigned Reg) {
219 livein_iterator I = std::find(livein_begin(), livein_end(), Reg);
220 assert(I != livein_end() && "Not a live in!");
221 LiveIns.erase(I);

--- 171 unchanged lines hidden --- 		221 OS << '\n';
222 }
223}
224
225void MachineBasicBlock::removeLiveIn(unsigned Reg) {
226 livein_iterator I = std::find(livein_begin(), livein_end(), Reg);
227 assert(I != livein_end() && "Not a live in!");
228 LiveIns.erase(I);

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