#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/ADT/SparseBitVector.h"
#include "llvm/ADT/DenseMap.h"
+#include "llvm/Target/TargetRegisterInfo.h"
namespace llvm {
class RegScavenger;
// functions.
bool ShrinkWrapThisFunction;
+ // Flag to control whether to use the register scavenger to resolve
+ // frame index materialization registers. Set according to
+ // TRI->requiresFrameIndexScavenging() for the curren function.
+ bool FrameIndexVirtualScavenging;
+
+ // When using the scavenger post-pass to resolve frame reference
+ // materialization registers, maintain a map of the registers to
+ // the constant value and SP adjustment associated with it.
+ typedef std::pair<int, int> FrameConstantEntry;
+ DenseMap<unsigned, FrameConstantEntry> FrameConstantRegMap;
+
#ifndef NDEBUG
// Machine function handle.
MachineFunction* MF;