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llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
| Show First 20 Lines • Show All 1,081 Lines • ▼ Show 20 Lines | PM.add(createLoopUnrollPass(OptLevel, DisableUnrollLoops, | ||||
| ForgetAllSCEVInLoopUnroll)); | ForgetAllSCEVInLoopUnroll)); | ||||
| PM.add(createWarnMissedTransformationsPass()); | PM.add(createWarnMissedTransformationsPass()); | ||||
| // Now that we've optimized loops (in particular loop induction variables), | // Now that we've optimized loops (in particular loop induction variables), | ||||
| // we may have exposed more scalar opportunities. Run parts of the scalar | // we may have exposed more scalar opportunities. Run parts of the scalar | ||||
| // optimizer again at this point. | // optimizer again at this point. | ||||
| PM.add(createInstructionCombiningPass()); // Initial cleanup | PM.add(createInstructionCombiningPass()); // Initial cleanup | ||||
| PM.add(createCFGSimplificationPass()); // if-convert | PM.add(createCFGSimplificationPass(SimplifyCFGOptions() // if-convert | ||||
| .hoistCommonInsts(true))); | |||||
| PM.add(createSCCPPass()); // Propagate exposed constants | PM.add(createSCCPPass()); // Propagate exposed constants | ||||
| PM.add(createInstructionCombiningPass()); // Clean up again | PM.add(createInstructionCombiningPass()); // Clean up again | ||||
| PM.add(createBitTrackingDCEPass()); | PM.add(createBitTrackingDCEPass()); | ||||
| // More scalar chains could be vectorized due to more alias information | // More scalar chains could be vectorized due to more alias information | ||||
| if (SLPVectorize) | if (SLPVectorize) | ||||
| PM.add(createSLPVectorizerPass()); // Vectorize parallel scalar chains. | PM.add(createSLPVectorizerPass()); // Vectorize parallel scalar chains. | ||||
| Show All 13 Lines | |||||
| void PassManagerBuilder::addLateLTOOptimizationPasses( | void PassManagerBuilder::addLateLTOOptimizationPasses( | ||||
| legacy::PassManagerBase &PM) { | legacy::PassManagerBase &PM) { | ||||
| // See comment in the new PM for justification of scheduling splitting at | // See comment in the new PM for justification of scheduling splitting at | ||||
| // this stage (\ref buildLTODefaultPipeline). | // this stage (\ref buildLTODefaultPipeline). | ||||
| if (EnableHotColdSplit) | if (EnableHotColdSplit) | ||||
| PM.add(createHotColdSplittingPass()); | PM.add(createHotColdSplittingPass()); | ||||
| // Delete basic blocks, which optimization passes may have killed. | // Delete basic blocks, which optimization passes may have killed. | ||||
| PM.add(createCFGSimplificationPass()); | PM.add( | ||||
| createCFGSimplificationPass(SimplifyCFGOptions().hoistCommonInsts(true))); | |||||
| // Drop bodies of available externally objects to improve GlobalDCE. | // Drop bodies of available externally objects to improve GlobalDCE. | ||||
| PM.add(createEliminateAvailableExternallyPass()); | PM.add(createEliminateAvailableExternallyPass()); | ||||
| // Now that we have optimized the program, discard unreachable functions. | // Now that we have optimized the program, discard unreachable functions. | ||||
| PM.add(createGlobalDCEPass()); | PM.add(createGlobalDCEPass()); | ||||
| // FIXME: this is profitable (for compiler time) to do at -O0 too, but | // FIXME: this is profitable (for compiler time) to do at -O0 too, but | ||||
| ▲ Show 20 Lines • Show All 159 Lines • Show Last 20 Lines | |||||