11 //   S4_storeirb_io  %100, 0, 0   ; store-immediate-byte
12 //   S4_storeirb_io  %100, 1, 0   ; store-immediate-byte
14 //   S4_storeirh_io  %100, 0, 0   ; store-immediate-halfword
18 // or as one could say, "reduce store queue pressure".  Also, wide stores
80     StringRef getPassName() const override { return "Hexagon Store Widening"; }  in getPassName()
116                 "Hexason Store Widening", false, false)
119                 "Hexagon Store Widening", false, false)  in INITIALIZE_PASS_DEPENDENCY()
142   llvm_unreachable("Store offset calculation missing for a handled opcode");  in getStoreOffset()
169 // stores in the store group Stores.
191 // any store in the group Stores.
200 // Inspect a machine basic block, and generate store groups out of stores
203 // A store group is a group of stores that use the same base register,
205 // semantics of the program.  A single store group could be widened as
206 // a whole, if there existed a single store instruction with the same
207 // semantics as the entire group.  In many cases, a single store group
208 // may need more than one wide store.
220   // a store, then try to create a store group starting at that instruction  in createStoreGroups()
228     // Found a store.  Try to create a store group.  in createStoreGroups()
236 // Create a single store group.  The stores need to be independent between
253       // If this store instruction is aliased with anything already in the  in createStoreGroup()
257       // If this store is aliased to any of the memory instructions we have  in createStoreGroup()
282 // Check if store instructions S1 and S2 are adjacent.  More precisely,
300 /// store, pick a group of stores that  can be replaced by a single store
322   assert(isPowerOf2_32(SizeAccum) && "First store size not a power of 2");  in selectStores()
324   // If the size of the first store equals to or exceeds the limit, do nothing.  in selectStores()
328   // If the size of the first store is greater than or equal to the address  in selectStores()
329   // stored to, then the store cannot be made any wider.  in selectStores()
333   // The offset of a store will put restrictions on how wide the store can be.  in selectStores()
335   // If the first store already exhausts the offset limits, quit.  Test this  in selectStores()
352   // this is a size a single store can cover.  in selectStores()
356     // any other store to fill the "hole".  in selectStores()
390 /// but that may only be possible for store-immediate.
486   // the first store in the OG, but in the order in which the stores occur  in replaceStores()
504   assert((InsertAt != MBB->end()) && "Cannot locate any store from the group");  in replaceStores()
532 // a single wide store.  Widen each such smaller group and replace the old
560 // Process a single basic block: create the store groups, and replace them
576     assert(G.size() > 1 && "Store group with fewer than 2 elements");  in processBasicBlock()