X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FSpiller.h;h=f017583494ed28f2c621fdbbbdf180d5702c003b;hb=6e8f4c404825b79f9b9176483653f1aa927dfbde;hp=86d7db23c7b981bfd08dfa2ee1be5eb5de577b8c;hpb=857c4e01f85601cf2084adb860616256ee47c177;p=oota-llvm.git diff --git a/lib/CodeGen/Spiller.h b/lib/CodeGen/Spiller.h index 86d7db23c7b..f017583494e 100644 --- a/lib/CodeGen/Spiller.h +++ b/lib/CodeGen/Spiller.h @@ -10,15 +10,14 @@ #ifndef LLVM_CODEGEN_SPILLER_H #define LLVM_CODEGEN_SPILLER_H -#include - namespace llvm { + class LiveInterval; - class LiveIntervals; - class LiveStacks; class MachineFunction; + class MachineFunctionPass; + class SlotIndex; + template class SmallVectorImpl; class VirtRegMap; - class MachineInstr; /// Spiller interface. /// @@ -28,15 +27,30 @@ namespace llvm { public: virtual ~Spiller() = 0; - /// Spill the given live range. The method used will depend on the Spiller - /// implementation selected. - virtual std::vector spill(LiveInterval *li) = 0; + /// spill - Spill the given live interval. The method used will depend on + /// the Spiller implementation selected. + /// + /// @param li The live interval to be spilled. + /// @param spillIs A list of intervals that are about to be spilled, + /// and so cannot be used for remat etc. + /// @param newIntervals The newly created intervals will be appended here. + virtual void spill(LiveInterval *li, + SmallVectorImpl &newIntervals, + const SmallVectorImpl &spillIs) = 0; }; /// Create and return a spiller object, as specified on the command line. - Spiller* createSpiller(MachineFunction *mf, LiveIntervals *li, - LiveStacks *ls, VirtRegMap *vrm); + Spiller* createSpiller(MachineFunctionPass &pass, + MachineFunction &mf, + VirtRegMap &vrm); + + /// Create and return a spiller that will insert spill code directly instead + /// of deferring though VirtRegMap. + Spiller *createInlineSpiller(MachineFunctionPass &pass, + MachineFunction &mf, + VirtRegMap &vrm); + } #endif