#include "llvm/Function.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetMachine.h"
regsLive.insert(*R);
}
regsLiveInButUnused = regsLive;
+
+ const MachineFrameInfo *MFI = MF->getFrameInfo();
+ assert(MFI && "Function has no frame info");
+ BitVector PR = MFI->getPristineRegs(MBB);
+ for (int I = PR.find_first(); I>0; I = PR.find_next(I)) {
+ regsLive.insert(I);
+ for (const unsigned *R = TRI->getSubRegisters(I); *R; R++)
+ regsLive.insert(*R);
+ }
+
regsKilled.clear();
regsDefined.clear();
}