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comparison lib/Target/R600/AMDILCFGStructurizer.cpp @ 33:e4204d083e25 LLVM3.5

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LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:32:10 +0900
parents 95c75e76d11b
children 54457678186b
comparison
equal deleted inserted replaced
1:f783a2dd24b1 33:e4204d083e25
52 STATISTIC(numLoopcontPatternMatch, "CFGStructurizer number of loop-continue " 52 STATISTIC(numLoopcontPatternMatch, "CFGStructurizer number of loop-continue "
53 "pattern matched"); 53 "pattern matched");
54 STATISTIC(numClonedBlock, "CFGStructurizer cloned blocks"); 54 STATISTIC(numClonedBlock, "CFGStructurizer cloned blocks");
55 STATISTIC(numClonedInstr, "CFGStructurizer cloned instructions"); 55 STATISTIC(numClonedInstr, "CFGStructurizer cloned instructions");
56 56
57 namespace llvm {
58 void initializeAMDGPUCFGStructurizerPass(PassRegistry&);
59 }
60
57 //===----------------------------------------------------------------------===// 61 //===----------------------------------------------------------------------===//
58 // 62 //
59 // Miscellaneous utility for CFGStructurizer. 63 // Miscellaneous utility for CFGStructurizer.
60 // 64 //
61 //===----------------------------------------------------------------------===// 65 //===----------------------------------------------------------------------===//
129 SinglePath_NotInPath = 2 133 SinglePath_NotInPath = 2
130 }; 134 };
131 135
132 static char ID; 136 static char ID;
133 137
134 AMDGPUCFGStructurizer(TargetMachine &tm) : 138 AMDGPUCFGStructurizer() :
135 MachineFunctionPass(ID), TM(tm), 139 MachineFunctionPass(ID), TII(NULL), TRI(NULL) {
136 TII(static_cast<const R600InstrInfo *>(tm.getInstrInfo())), 140 initializeAMDGPUCFGStructurizerPass(*PassRegistry::getPassRegistry());
137 TRI(&TII->getRegisterInfo()) { } 141 }
138 142
139 const char *getPassName() const { 143 const char *getPassName() const {
140 return "AMD IL Control Flow Graph structurizer Pass"; 144 return "AMDGPU Control Flow Graph structurizer Pass";
141 } 145 }
142 146
143 void getAnalysisUsage(AnalysisUsage &AU) const { 147 void getAnalysisUsage(AnalysisUsage &AU) const {
144 AU.addPreserved<MachineFunctionAnalysis>(); 148 AU.addPreserved<MachineFunctionAnalysis>();
145 AU.addRequired<MachineFunctionAnalysis>(); 149 AU.addRequired<MachineFunctionAnalysis>();
155 /// This step will remove every unconditionnal/dead jump instructions and make 159 /// This step will remove every unconditionnal/dead jump instructions and make
156 /// sure all loops have an exit block 160 /// sure all loops have an exit block
157 bool prepare(); 161 bool prepare();
158 162
159 bool runOnMachineFunction(MachineFunction &MF) { 163 bool runOnMachineFunction(MachineFunction &MF) {
164 TII = static_cast<const R600InstrInfo *>(MF.getTarget().getInstrInfo());
165 TRI = &TII->getRegisterInfo();
160 DEBUG(MF.dump();); 166 DEBUG(MF.dump(););
161 OrderedBlks.clear(); 167 OrderedBlks.clear();
162 FuncRep = &MF; 168 FuncRep = &MF;
163 MLI = &getAnalysis<MachineLoopInfo>(); 169 MLI = &getAnalysis<MachineLoopInfo>();
164 DEBUG(dbgs() << "LoopInfo:\n"; PrintLoopinfo(*MLI);); 170 DEBUG(dbgs() << "LoopInfo:\n"; PrintLoopinfo(*MLI););
171 DEBUG(MF.dump();); 177 DEBUG(MF.dump(););
172 return true; 178 return true;
173 } 179 }
174 180
175 protected: 181 protected:
176 TargetMachine &TM;
177 MachineDominatorTree *MDT; 182 MachineDominatorTree *MDT;
178 MachinePostDominatorTree *PDT; 183 MachinePostDominatorTree *PDT;
179 MachineLoopInfo *MLI; 184 MachineLoopInfo *MLI;
180 const R600InstrInfo *TII; 185 const R600InstrInfo *TII;
181 const AMDGPURegisterInfo *TRI; 186 const AMDGPURegisterInfo *TRI;
1897 char AMDGPUCFGStructurizer::ID = 0; 1902 char AMDGPUCFGStructurizer::ID = 0;
1898 1903
1899 } // end anonymous namespace 1904 } // end anonymous namespace
1900 1905
1901 1906
1902 FunctionPass *llvm::createAMDGPUCFGStructurizerPass(TargetMachine &tm) { 1907 INITIALIZE_PASS_BEGIN(AMDGPUCFGStructurizer, "amdgpustructurizer",
1903 return new AMDGPUCFGStructurizer(tm); 1908 "AMDGPU CFG Structurizer", false, false)
1904 } 1909 INITIALIZE_PASS_DEPENDENCY(MachineDominatorTree)
1910 INITIALIZE_PASS_DEPENDENCY(MachinePostDominatorTree)
1911 INITIALIZE_PASS_DEPENDENCY(MachineLoopInfo)
1912 INITIALIZE_PASS_END(AMDGPUCFGStructurizer, "amdgpustructurizer",
1913 "AMDGPU CFG Structurizer", false, false)
1914
1915 FunctionPass *llvm::createAMDGPUCFGStructurizerPass() {
1916 return new AMDGPUCFGStructurizer();
1917 }