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llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
| Show First 20 Lines • Show All 149 Lines • ▼ Show 20 Lines | DisableLibCallsShrinkWrap("disable-libcalls-shrinkwrap", cl::init(false), | ||||
| cl::Hidden, | cl::Hidden, | ||||
| cl::desc("Disable shrink-wrap library calls")); | cl::desc("Disable shrink-wrap library calls")); | ||||
| static cl::opt<bool> | static cl::opt<bool> | ||||
| EnableSimpleLoopUnswitch("enable-simple-loop-unswitch", cl::init(false), | EnableSimpleLoopUnswitch("enable-simple-loop-unswitch", cl::init(false), | ||||
| cl::Hidden, | cl::Hidden, | ||||
| cl::desc("Enable the simple loop unswitch pass.")); | cl::desc("Enable the simple loop unswitch pass.")); | ||||
| static cl::opt<bool> EnableGVNSink( | |||||
| "enable-gvn-sink", cl::init(false), cl::Hidden, | |||||
| cl::desc("Enable the GVN sinking pass (default = on)")); | |||||
| PassManagerBuilder::PassManagerBuilder() { | PassManagerBuilder::PassManagerBuilder() { | ||||
| OptLevel = 2; | OptLevel = 2; | ||||
| SizeLevel = 0; | SizeLevel = 0; | ||||
| LibraryInfo = nullptr; | LibraryInfo = nullptr; | ||||
| Inliner = nullptr; | Inliner = nullptr; | ||||
| DisableUnitAtATime = false; | DisableUnitAtATime = false; | ||||
| DisableUnrollLoops = false; | DisableUnrollLoops = false; | ||||
| BBVectorize = RunBBVectorization; | BBVectorize = RunBBVectorization; | ||||
| ▲ Show 20 Lines • Show All 136 Lines • ▼ Show 20 Lines | |||||
| void PassManagerBuilder::addFunctionSimplificationPasses( | void PassManagerBuilder::addFunctionSimplificationPasses( | ||||
| legacy::PassManagerBase &MPM) { | legacy::PassManagerBase &MPM) { | ||||
| // Start of function pass. | // Start of function pass. | ||||
| // Break up aggregate allocas, using SSAUpdater. | // Break up aggregate allocas, using SSAUpdater. | ||||
| MPM.add(createSROAPass()); | MPM.add(createSROAPass()); | ||||
| MPM.add(createEarlyCSEPass()); // Catch trivial redundancies | MPM.add(createEarlyCSEPass()); // Catch trivial redundancies | ||||
| if (EnableGVNHoist) | if (EnableGVNHoist) | ||||
| MPM.add(createGVNHoistPass()); | MPM.add(createGVNHoistPass()); | ||||
| if (EnableGVNSink) { | |||||
| MPM.add(createGVNSinkPass()); | |||||
| MPM.add(createCFGSimplificationPass()); | |||||
| } | |||||
| // Speculative execution if the target has divergent branches; otherwise nop. | // Speculative execution if the target has divergent branches; otherwise nop. | ||||
| MPM.add(createSpeculativeExecutionIfHasBranchDivergencePass()); | MPM.add(createSpeculativeExecutionIfHasBranchDivergencePass()); | ||||
| MPM.add(createJumpThreadingPass()); // Thread jumps. | MPM.add(createJumpThreadingPass()); // Thread jumps. | ||||
| MPM.add(createCorrelatedValuePropagationPass()); // Propagate conditionals | MPM.add(createCorrelatedValuePropagationPass()); // Propagate conditionals | ||||
| MPM.add(createCFGSimplificationPass()); // Merge & remove BBs | MPM.add(createCFGSimplificationPass()); // Merge & remove BBs | ||||
| // Combine silly seq's | // Combine silly seq's | ||||
| addInstructionCombiningPass(MPM); | addInstructionCombiningPass(MPM); | ||||
| if (SizeLevel == 0 && !DisableLibCallsShrinkWrap) | if (SizeLevel == 0 && !DisableLibCallsShrinkWrap) | ||||
| ▲ Show 20 Lines • Show All 695 Lines • Show Last 20 Lines | |||||