Ejemplo n.º 1
0
/// Perform semantic annotation/loop base optimizations.
void addHighLevelLoopOptPasses(SILPassPipelinePlan &P) {
  // Perform classic SSA optimizations for cleanup.
  P.addLowerAggregateInstrs();
  P.addSILCombine();
  P.addSROA();
  P.addMem2Reg();
  P.addDCE();
  P.addSILCombine();
  addSimplifyCFGSILCombinePasses(P);

  // Run high-level loop opts.
  P.addLoopRotate();

  // Cleanup.
  P.addDCE();
  // Also CSE semantic calls.
  P.addHighLevelCSE();
  P.addSILCombine();
  P.addSimplifyCFG();
  // Optimize access markers for better LICM: might merge accesses
  // It will also set the no_nested_conflict for dynamic accesses
  P.addAccessEnforcementOpts();
  P.addHighLevelLICM();
  // Simplify CFG after LICM that creates new exit blocks
  P.addSimplifyCFG();
  // Start of loop unrolling passes.
  P.addArrayCountPropagation();
  // To simplify induction variable.
  P.addSILCombine();
  P.addLoopUnroll();
  P.addSimplifyCFG();
  P.addPerformanceConstantPropagation();
  P.addSimplifyCFG();
  P.addArrayElementPropagation();
  // End of unrolling passes.
  P.addRemovePins();
  P.addABCOpt();
  // Cleanup.
  P.addDCE();
  P.addCOWArrayOpts();
  // Cleanup.
  P.addDCE();
  P.addSwiftArrayOpts();
}
Ejemplo n.º 2
0
/// Perform semantic annotation/loop base optimizations.
void addHighLevelLoopOptPasses(SILPassPipelinePlan &P) {
  // Perform classic SSA optimizations for cleanup.
  P.addLowerAggregateInstrs();
  P.addSILCombine();
  P.addSROA();
  P.addMem2Reg();
  P.addDCE();
  P.addSILCombine();
  addSimplifyCFGSILCombinePasses(P);

  // Run high-level loop opts.
  P.addLoopRotate();

  // Cleanup.
  P.addDCE();
  // Also CSE semantic calls.
  P.addHighLevelCSE();
  P.addSILCombine();
  P.addSimplifyCFG();
  P.addHighLevelLICM();
  // Start of loop unrolling passes.
  P.addArrayCountPropagation();
  // To simplify induction variable.
  P.addSILCombine();
  P.addLoopUnroll();
  P.addSimplifyCFG();
  P.addPerformanceConstantPropagation();
  P.addSimplifyCFG();
  P.addArrayElementPropagation();
  // End of unrolling passes.
  P.addRemovePins();
  P.addABCOpt();
  // Cleanup.
  P.addDCE();
  P.addCOWArrayOpts();
  // Cleanup.
  P.addDCE();
  P.addSwiftArrayOpts();
}