Transforms/IPO/PassManagerBuilder.cpp

132 void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) {
136       MPM.add(Inliner);
145       MPM.add(createBarrierNoopPass());
147     addExtensionsToPM(EP_EnabledOnOptLevel0, MPM);
152   if (LibraryInfo) MPM.add(new TargetLibraryInfo(*LibraryInfo));
154   addInitialAliasAnalysisPasses(MPM);
157     addExtensionsToPM(EP_ModuleOptimizerEarly, MPM);
159     MPM.add(createGlobalOptimizerPass());     // Optimize out global vars
161     MPM.add(createIPSCCPPass());              // IP SCCP
162     MPM.add(createDeadArgEliminationPass());  // Dead argument elimination
164     MPM.add(createInstructionCombiningPass());// Clean up after IPCP & DAE
165     MPM.add(createCFGSimplificationPass());   // Clean up after IPCP & DAE
170     MPM.add(createPruneEHPass());             // Remove dead EH info
172     MPM.add(Inliner);
176     MPM.add(createFunctionAttrsPass());       // Set readonly/readnone attrs
178     MPM.add(createArgumentPromotionPass());   // Scalarize uninlined fn args
183     MPM.add(createSROAPass(/*RequiresDomTree*/ false));
185     MPM.add(createScalarReplAggregatesPass(-1, false));
186   MPM.add(createEarlyCSEPass());              // Catch trivial redundancies
187   MPM.add(createJumpThreadingPass());         // Thread jumps.
188   MPM.add(createCorrelatedValuePropagationPass()); // Propagate conditionals
189   MPM.add(createCFGSimplificationPass());     // Merge & remove BBs
190   MPM.add(createInstructionCombiningPass());  // Combine silly seq's
192   MPM.add(createTailCallEliminationPass());   // Eliminate tail calls
193   MPM.add(createCFGSimplificationPass());     // Merge & remove BBs
194   MPM.add(createReassociatePass());           // Reassociate expressions
195   MPM.add(createLoopRotatePass());            // Rotate Loop
196   MPM.add(createLICMPass());                  // Hoist loop invariants
197   MPM.add(createLoopUnswitchPass(SizeLevel || OptLevel < 3));
198   MPM.add(createInstructionCombiningPass());
199   MPM.add(createIndVarSimplifyPass());        // Canonicalize indvars
200   MPM.add(createLoopIdiomPass());             // Recognize idioms like memset.
201   MPM.add(createLoopDeletionPass());          // Delete dead loops
204       MPM.add(createLoopVectorizePass(DisableUnrollLoops));
207     MPM.add(createLoopUnrollPass());          // Unroll small loops
208   addExtensionsToPM(EP_LoopOptimizerEnd, MPM);
211     MPM.add(createGVNPass());                 // Remove redundancies
212   MPM.add(createMemCpyOptPass());             // Remove memcpy / form memset
213   MPM.add(createSCCPPass());                  // Constant prop with SCCP
217   MPM.add(createInstructionCombiningPass());
218   MPM.add(createJumpThreadingPass());         // Thread jumps
219   MPM.add(createCorrelatedValuePropagationPass());
220   MPM.add(createDeadStoreEliminationPass());  // Delete dead stores
222   addExtensionsToPM(EP_ScalarOptimizerLate, MPM);
225     MPM.add(createLoopRerollPass());
227     MPM.add(createSLPVectorizerPass());   // Vectorize parallel scalar chains.
230     MPM.add(createBBVectorizePass());
231     MPM.add(createInstructionCombiningPass());
233       MPM.add(createGVNPass());           // Remove redundancies
235       MPM.add(createEarlyCSEPass());      // Catch trivial redundancies
239       MPM.add(createLoopUnrollPass());
242   MPM.add(createAggressiveDCEPass());         // Delete dead instructions
243   MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
244   MPM.add(createInstructionCombiningPass());  // Clean up after everything.
253     MPM.add(createBarrierNoopPass());
257     MPM.add(createLoopVectorizePass(DisableUnrollLoops));
258     MPM.add(createInstructionCombiningPass());
259     MPM.add(createCFGSimplificationPass());
264     MPM.add(createStripDeadPrototypesPass()); // Get rid of dead prototypes
269       MPM.add(createGlobalDCEPass());         // Remove dead fns and globals.
270       MPM.add(createConstantMergePass());     // Merge dup global constants
273   addExtensionsToPM(EP_OptimizerLast, MPM);
429   PassManagerBase *MPM = unwrap(PM);
430   Builder->populateModulePassManager(*MPM);