-//===-- ARMMachineFuctionInfo.h - ARM machine function info -----*- C++ -*-===//
+//===-- ARMMachineFunctionInfo.h - ARM machine function info ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#ifndef ARMMACHINEFUNCTIONINFO_H
-#define ARMMACHINEFUNCTIONINFO_H
+#ifndef LLVM_LIB_TARGET_ARM_ARMMACHINEFUNCTIONINFO_H
+#define LLVM_LIB_TARGET_ARM_ARMMACHINEFUNCTIONINFO_H
#include "ARMSubtarget.h"
#include "llvm/ADT/BitVector.h"
+#include "llvm/ADT/DenseMap.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
///
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().
+ /// determineCalleeSaves().
bool HasStackFrame;
/// RestoreSPFromFP - True if epilogue should restore SP from FP. Set by
/// areas.
unsigned GPRCS1Size;
unsigned GPRCS2Size;
+ unsigned DPRCSAlignGapSize;
unsigned DPRCSSize;
/// NumAlignedDPRCS2Regs - The number of callee-saved DPRs that are saved in
/// registers also aren't included in DPRCSSize above.
unsigned NumAlignedDPRCS2Regs;
- /// JumpTableUId - Unique id for jumptables.
- ///
- unsigned JumpTableUId;
-
unsigned PICLabelUId;
/// VarArgsFrameIndex - FrameIndex for start of varargs area.
/// 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),
- NumAlignedDPRCS2Regs(0),
- JumpTableUId(0), PICLabelUId(0),
+ GPRCS1Size(0), GPRCS2Size(0), DPRCSAlignGapSize(0), DPRCSSize(0),
+ NumAlignedDPRCS2Regs(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; }
unsigned getStoredByValParamsPadding() const { return StByValParamsPadding; }
void setStoredByValParamsPadding(unsigned p) { StByValParamsPadding = p; }
- unsigned getArgRegsSaveSize(unsigned Align = 0) const {
- if (!Align)
- return ArgRegsSaveSize;
- return (ArgRegsSaveSize + Align - 1) & ~(Align - 1);
- }
+ unsigned getArgRegsSaveSize() const { return ArgRegsSaveSize; }
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; }
unsigned getGPRCalleeSavedArea1Size() const { return GPRCS1Size; }
unsigned getGPRCalleeSavedArea2Size() const { return GPRCS2Size; }
+ unsigned getDPRCalleeSavedGapSize() const { return DPRCSAlignGapSize; }
unsigned getDPRCalleeSavedAreaSize() const { return DPRCSSize; }
void setGPRCalleeSavedArea1Size(unsigned s) { GPRCS1Size = s; }
void setGPRCalleeSavedArea2Size(unsigned s) { GPRCS2Size = s; }
+ void setDPRCalleeSavedGapSize(unsigned s) { DPRCSAlignGapSize = s; }
void setDPRCalleeSavedAreaSize(unsigned s) { DPRCSSize = s; }
unsigned getArgumentStackSize() const { return ArgumentStackSize; }
void setArgumentStackSize(unsigned size) { ArgumentStackSize = size; }
- unsigned createJumpTableUId() {
- return JumpTableUId++;
- }
-
- unsigned getNumJumpTables() const {
- return JumpTableUId;
- }
-
void initPICLabelUId(unsigned UId) {
PICLabelUId = UId;
}
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
-#endif // ARMMACHINEFUNCTIONINFO_H
+#endif