X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FLiveDebugVariables.h;h=7ec0d17e42d61d6a006b1083faaf10c44b7e4d8c;hb=b79931d94ee931afb8423decc078fd0cb5ea7e90;hp=a69b974fe373c61466c7d8fea5d29f818e06162a;hpb=30e2128a731e5a0bcac45a6a79a03bdedce68a0a;p=oota-llvm.git diff --git a/lib/CodeGen/LiveDebugVariables.h b/lib/CodeGen/LiveDebugVariables.h index a69b974fe37..7ec0d17e42d 100644 --- a/lib/CodeGen/LiveDebugVariables.h +++ b/lib/CodeGen/LiveDebugVariables.h @@ -21,12 +21,19 @@ #ifndef LLVM_CODEGEN_LIVEDEBUGVARIABLES_H #define LLVM_CODEGEN_LIVEDEBUGVARIABLES_H +#include "llvm/ADT/ArrayRef.h" +#include "llvm/IR/DebugInfo.h" #include "llvm/CodeGen/MachineFunctionPass.h" namespace llvm { +class LiveInterval; +class LiveIntervals; +class VirtRegMap; + class LiveDebugVariables : public MachineFunctionPass { void *pImpl; + DenseMap FunctionDIs; public: static char ID; // Pass identification, replacement for typeid @@ -40,18 +47,26 @@ public: /// register. void renameRegister(unsigned OldReg, unsigned NewReg, unsigned SubIdx); + /// splitRegister - Move any user variables in OldReg to the live ranges in + /// NewRegs where they are live. Mark the values as unavailable where no new + /// register is live. + void splitRegister(unsigned OldReg, ArrayRef NewRegs, + LiveIntervals &LIS); + /// emitDebugValues - Emit new DBG_VALUE instructions reflecting the changes /// that happened during register allocation. - void emitDebugValues(); + /// @param VRM Rename virtual registers according to map. + void emitDebugValues(VirtRegMap *VRM); /// dump - Print data structures to dbgs(). void dump(); private: - virtual bool runOnMachineFunction(MachineFunction &); - virtual void releaseMemory(); - virtual void getAnalysisUsage(AnalysisUsage &) const; + bool runOnMachineFunction(MachineFunction &) override; + void releaseMemory() override; + void getAnalysisUsage(AnalysisUsage &) const override; + bool doInitialization(Module &) override; };