dfg/DFGStoreBarrierInsertionPhase.h

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  25
  26 #ifndef DFGStoreBarrierInsertionPhase_h
  27 #define DFGStoreBarrierInsertionPhase_h
  28
  29 #if ENABLE(DFG_JIT)
  30
  31 namespace JSC { namespace DFG {
  32
  33 class Graph;
  34
  35 // Inserts store barriers in a block-local manner without consulting the abstract interpreter.
  36 // Uses a simple epoch-based analysis to avoid inserting redundant barriers. This phase requires
  37 // that we are not in SSA.
  38 bool performFastStoreBarrierInsertion(Graph&);
  39
  40 // Inserts store barriers using a global analysis and consults the abstract interpreter. Uses a
  41 // simple epoch-based analysis to avoid inserting redundant barriers, but only propagates "same
  42 // epoch as current" property from one block to the next. This phase requires SSA. This phase
  43 // also requires having valid AI and liveness.
  44 bool performGlobalStoreBarrierInsertion(Graph&);
  45
  46 } } // namespace JSC::DFG
  47
  48 #endif // ENABLE(DFG_JIT)
  49
  50 #endif // DFGStoreBarrierInsertionPhase_h
  51