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1 #include "llvm/PassManager.h"
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2 #include "llvm/LinkAllPasses.h"
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3 #include "llvm/Analysis/LoopPass.h"
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4 #include "llvm/Target/TargetData.h"
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5
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6 using namespace llvm;
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7
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8 //////////////////////////////////////////////////////////////////////////////////////////
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9
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10 // this function runs some or all of the std-compile-opts passes depending on the
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11 // optimization level given.
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12
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13 void llvmdc_optimize_module(Module* m, char lvl, bool doinline)
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14 {
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15 assert(lvl >= 0 && lvl <= 5);
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16 if (lvl == 0)
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17 return;
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18
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19 PassManager pm;
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20 pm.add(new TargetData(m));
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21
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22 if (lvl >= 1)
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23 {
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24 pm.add(createRaiseAllocationsPass());
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25 pm.add(createCFGSimplificationPass());
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26 pm.add(createPromoteMemoryToRegisterPass());
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27 }
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28
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29 if (lvl >= 2)
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30 {
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31 pm.add(createGlobalOptimizerPass());
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32 pm.add(createGlobalDCEPass());
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33 pm.add(createIPConstantPropagationPass());
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34 pm.add(createDeadArgEliminationPass());
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35 pm.add(createInstructionCombiningPass());
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36 pm.add(createCFGSimplificationPass());
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37 pm.add(createPruneEHPass());
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38 }
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39
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40 if (doinline) {
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41 pm.add(createFunctionInliningPass());
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42 }
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43
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44 if (lvl >= 3)
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45 {
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46 pm.add(createArgumentPromotionPass());
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47 pm.add(createTailDuplicationPass());
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48 pm.add(createInstructionCombiningPass());
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49 pm.add(createCFGSimplificationPass());
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50 pm.add(createScalarReplAggregatesPass());
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51 pm.add(createInstructionCombiningPass());
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52 pm.add(createCondPropagationPass());
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53
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54 pm.add(createTailCallEliminationPass());
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55 pm.add(createCFGSimplificationPass());
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56 pm.add(createReassociatePass());
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57 pm.add(createLoopRotatePass());
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58 pm.add(createLICMPass());
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59 pm.add(createLoopUnswitchPass());
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60 pm.add(createInstructionCombiningPass());
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61 pm.add(createIndVarSimplifyPass());
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62 pm.add(createLoopUnrollPass());
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63 pm.add(createInstructionCombiningPass());
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64 pm.add(createGVNPass());
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65 pm.add(createSCCPPass());
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66
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67 pm.add(createInstructionCombiningPass());
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68 pm.add(createCondPropagationPass());
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69
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70 pm.add(createDeadStoreEliminationPass());
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71 pm.add(createAggressiveDCEPass());
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72 pm.add(createCFGSimplificationPass());
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73 pm.add(createSimplifyLibCallsPass());
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74 pm.add(createDeadTypeEliminationPass());
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75 pm.add(createConstantMergePass());
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76 }
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77
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78 // level 4 and 5 are linktime optimizations
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79
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80 pm.run(*m);
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81 }
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