#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/ADT/DenseMap.h"
namespace llvm {
///
unsigned ArgRegsSaveSize;
+ /// ReturnRegsCount - Number of registers used up in the return.
+ unsigned ReturnRegsCount;
+
/// HasStackFrame - True if this function has a stack frame. Set by
/// processFunctionBeforeCalleeSavedScan().
bool HasStackFrame;
/// relocation models.
unsigned GlobalBaseReg;
+ /// ArgumentStackSize - amount of bytes on stack consumed by the arguments
+ /// being passed on the stack
+ unsigned ArgumentStackSize;
+
+ /// CoalescedWeights - mapping of basic blocks to the rolling counter of
+ /// coalesced weights.
+ DenseMap<const MachineBasicBlock*, unsigned> CoalescedWeights;
+
public:
ARMFunctionInfo() :
isThumb(false),
hasThumb2(false),
- ArgRegsSaveSize(0), HasStackFrame(false), RestoreSPFromFP(false),
+ ArgRegsSaveSize(0), ReturnRegsCount(0), HasStackFrame(false),
+ RestoreSPFromFP(false),
LRSpilledForFarJump(false),
FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
JumpTableUId(0), PICLabelUId(0),
VarArgsFrameIndex(0), HasITBlocks(false), GlobalBaseReg(0) {}
- explicit ARMFunctionInfo(MachineFunction &MF) :
- isThumb(MF.getTarget().getSubtarget<ARMSubtarget>().isThumb()),
- hasThumb2(MF.getTarget().getSubtarget<ARMSubtarget>().hasThumb2()),
- StByValParamsPadding(0),
- ArgRegsSaveSize(0), HasStackFrame(false), RestoreSPFromFP(false),
- LRSpilledForFarJump(false),
- FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
- GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0),
- JumpTableUId(0), PICLabelUId(0),
- VarArgsFrameIndex(0), HasITBlocks(false), GlobalBaseReg(0) {}
+ explicit ARMFunctionInfo(MachineFunction &MF);
bool isThumbFunction() const { return isThumb; }
bool isThumb1OnlyFunction() const { return isThumb && !hasThumb2; }
}
void setArgRegsSaveSize(unsigned s) { ArgRegsSaveSize = s; }
+ unsigned getReturnRegsCount() const { return ReturnRegsCount; }
+ void setReturnRegsCount(unsigned s) { ReturnRegsCount = s; }
+
bool hasStackFrame() const { return HasStackFrame; }
void setHasStackFrame(bool s) { HasStackFrame = s; }
void setGPRCalleeSavedArea2Size(unsigned s) { GPRCS2Size = s; }
void setDPRCalleeSavedAreaSize(unsigned s) { DPRCSSize = s; }
+ unsigned getArgumentStackSize() const { return ArgumentStackSize; }
+ void setArgumentStackSize(unsigned size) { ArgumentStackSize = size; }
+
unsigned createJumpTableUId() {
return JumpTableUId++;
}
void recordCPEClone(unsigned CPIdx, unsigned CPCloneIdx) {
if (!CPEClones.insert(std::make_pair(CPCloneIdx, CPIdx)).second)
- assert(0 && "Duplicate entries!");
+ llvm_unreachable("Duplicate entries!");
}
unsigned getOriginalCPIdx(unsigned CloneIdx) const {
else
return -1U;
}
+
+ DenseMap<const MachineBasicBlock*, unsigned>::iterator getCoalescedWeight(
+ MachineBasicBlock* MBB) {
+ auto It = CoalescedWeights.find(MBB);
+ if (It == CoalescedWeights.end()) {
+ It = CoalescedWeights.insert(std::make_pair(MBB, 0)).first;
+ }
+ return It;
+ }
};
} // End llvm namespace