#include "llvm/ADT/APInt.h"
#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/IndexedMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/CodeGen/ISDOpcodes.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/InlineAsm.h"
-#include "llvm/Instructions.h"
-#include "llvm/Support/CallSite.h"
+#include "llvm/IR/InlineAsm.h"
+#include "llvm/IR/Instructions.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include <vector>
class AllocaInst;
class BasicBlock;
+class BranchProbabilityInfo;
class CallInst;
class Function;
class GlobalVariable;
class MachineFunction;
class MachineModuleInfo;
class MachineRegisterInfo;
+class SelectionDAG;
+class MVT;
class TargetLowering;
class Value;
///
class FunctionLoweringInfo {
public:
- const TargetLowering &TLI;
const Function *Fn;
MachineFunction *MF;
+ const TargetLowering *TLI;
MachineRegisterInfo *RegInfo;
BranchProbabilityInfo *BPI;
/// CanLowerReturn - true iff the function's return value can be lowered to
/// RegFixups - Registers which need to be replaced after isel is done.
DenseMap<unsigned, unsigned> RegFixups;
+ /// StatepointStackSlots - A list of temporary stack slots (frame indices)
+ /// used to spill values at a statepoint. We store them here to enable
+ /// reuse of the same stack slots across different statepoints in different
+ /// basic blocks.
+ SmallVector<unsigned, 50> StatepointStackSlots;
+
/// MBB - The current block.
MachineBasicBlock *MBB;
KnownZero(1, 0) {}
};
+ /// Record the preferred extend type (ISD::SIGN_EXTEND or ISD::ZERO_EXTEND)
+ /// for a value.
+ DenseMap<const Value *, ISD::NodeType> PreferredExtendType;
+
/// VisitedBBs - The set of basic blocks visited thus far by instruction
/// selection.
SmallPtrSet<const BasicBlock*, 4> VisitedBBs;
/// TODO: This isn't per-function state, it's per-basic-block state. But
/// there's no other convenient place for it to live right now.
std::vector<std::pair<MachineInstr*, unsigned> > PHINodesToUpdate;
+ unsigned OrigNumPHINodesToUpdate;
- explicit FunctionLoweringInfo(const TargetLowering &TLI);
+ /// If the current MBB is a landing pad, the exception pointer and exception
+ /// selector registers are copied into these virtual registers by
+ /// SelectionDAGISel::PrepareEHLandingPad().
+ unsigned ExceptionPointerVirtReg, ExceptionSelectorVirtReg;
/// set - Initialize this FunctionLoweringInfo with the given Function
/// and its associated MachineFunction.
///
- void set(const Function &Fn, MachineFunction &MF);
+ void set(const Function &Fn, MachineFunction &MF, SelectionDAG *DAG);
/// clear - Clear out all the function-specific state. This returns this
/// FunctionLoweringInfo to an empty state, ready to be used for a
/// register is a PHI destination and the PHI's LiveOutInfo is not valid.
const LiveOutInfo *GetLiveOutRegInfo(unsigned Reg) {
if (!LiveOutRegInfo.inBounds(Reg))
- return NULL;
+ return nullptr;
const LiveOutInfo *LOI = &LiveOutRegInfo[Reg];
if (!LOI->IsValid)
- return NULL;
+ return nullptr;
return LOI;
}
return;
unsigned Reg = It->second;
+ if (Reg == 0)
+ return;
+
LiveOutRegInfo.grow(Reg);
LiveOutRegInfo[Reg].IsValid = false;
}
/// floating-point support.
void ComputeUsesVAFloatArgument(const CallInst &I, MachineModuleInfo *MMI);
-/// AddCatchInfo - Extract the personality and type infos from an eh.selector
-/// call, and add them to the specified machine basic block.
-void AddCatchInfo(const CallInst &I,
- MachineModuleInfo *MMI, MachineBasicBlock *MBB);
-
/// AddLandingPadInfo - Extract the exception handling information from the
/// landingpad instruction and add them to the specified machine module info.
void AddLandingPadInfo(const LandingPadInst &I, MachineModuleInfo &MMI,