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[SEH] Reimplement x64 SEH using WinEHPrepare
[oota-llvm.git]
/
include
/
llvm
/
CodeGen
/
FunctionLoweringInfo.h
diff --git
a/include/llvm/CodeGen/FunctionLoweringInfo.h
b/include/llvm/CodeGen/FunctionLoweringInfo.h
index 794a95a03b6bc477c6de4e21ca8a401f7da89add..66a9ae7407bf3610a81755e18d4f352915c01650 100644
(file)
--- a/
include/llvm/CodeGen/FunctionLoweringInfo.h
+++ b/
include/llvm/CodeGen/FunctionLoweringInfo.h
@@
-15,19
+15,15
@@
#ifndef LLVM_CODEGEN_FUNCTIONLOWERINGINFO_H
#define LLVM_CODEGEN_FUNCTIONLOWERINGINFO_H
#ifndef LLVM_CODEGEN_FUNCTIONLOWERINGINFO_H
#define LLVM_CODEGEN_FUNCTIONLOWERINGINFO_H
-#include "llvm/InlineAsm.h"
-#include "llvm/Instructions.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/DenseMap.h"
#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/ADT/IndexedMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/Analysis/BranchProbabilityInfo.h"
-#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/CodeGen/ISDOpcodes.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/ISDOpcodes.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/Support/CallSite.h"
+#include "llvm/IR/InlineAsm.h"
+#include "llvm/IR/Instructions.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include <vector>
#include "llvm/Target/TargetRegisterInfo.h"
#include <vector>
@@
-35,6
+31,7
@@
namespace llvm {
class AllocaInst;
class BasicBlock;
class AllocaInst;
class BasicBlock;
+class BranchProbabilityInfo;
class CallInst;
class Function;
class GlobalVariable;
class CallInst;
class Function;
class GlobalVariable;
@@
-44,6
+41,8
@@
class MachineBasicBlock;
class MachineFunction;
class MachineModuleInfo;
class MachineRegisterInfo;
class MachineFunction;
class MachineModuleInfo;
class MachineRegisterInfo;
+class SelectionDAG;
+class MVT;
class TargetLowering;
class Value;
class TargetLowering;
class Value;
@@
-53,12
+52,12
@@
class Value;
///
class FunctionLoweringInfo {
public:
///
class FunctionLoweringInfo {
public:
- const TargetLowering &TLI;
const Function *Fn;
MachineFunction *MF;
const Function *Fn;
MachineFunction *MF;
+ const TargetLowering *TLI;
MachineRegisterInfo *RegInfo;
BranchProbabilityInfo *BPI;
MachineRegisterInfo *RegInfo;
BranchProbabilityInfo *BPI;
- /// CanLowerReturn - true if the function's return value can be lowered to
+ /// CanLowerReturn - true if
f
the function's return value can be lowered to
/// registers.
bool CanLowerReturn;
/// registers.
bool CanLowerReturn;
@@
-89,6
+88,12
@@
public:
/// RegFixups - Registers which need to be replaced after isel is done.
DenseMap<unsigned, unsigned> RegFixups;
/// 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;
/// MBB - The current block.
MachineBasicBlock *MBB;
@@
-108,6
+113,10
@@
public:
KnownZero(1, 0) {}
};
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;
/// VisitedBBs - The set of basic blocks visited thus far by instruction
/// selection.
SmallPtrSet<const BasicBlock*, 4> VisitedBBs;
@@
-117,13
+126,17
@@
public:
/// 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;
/// 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.
///
/// 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
/// clear - Clear out all the function-specific state. This returns this
/// FunctionLoweringInfo to an empty state, ready to be used for a
@@
-136,7
+149,7
@@
public:
return ValueMap.count(V);
}
return ValueMap.count(V);
}
- unsigned CreateReg(
E
VT VT);
+ unsigned CreateReg(
M
VT VT);
unsigned CreateRegs(Type *Ty);
unsigned CreateRegs(Type *Ty);
@@
-150,11
+163,11
@@
public:
/// register is a PHI destination and the PHI's LiveOutInfo is not valid.
const LiveOutInfo *GetLiveOutRegInfo(unsigned Reg) {
if (!LiveOutRegInfo.inBounds(Reg))
/// 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)
const LiveOutInfo *LOI = &LiveOutRegInfo[Reg];
if (!LOI->IsValid)
- return
NULL
;
+ return
nullptr
;
return LOI;
}
return LOI;
}
@@
-193,6
+206,9
@@
public:
return;
unsigned Reg = It->second;
return;
unsigned Reg = It->second;
+ if (Reg == 0)
+ return;
+
LiveOutRegInfo.grow(Reg);
LiveOutRegInfo[Reg].IsValid = false;
}
LiveOutRegInfo.grow(Reg);
LiveOutRegInfo[Reg].IsValid = false;
}
@@
-205,6
+221,8
@@
public:
int getArgumentFrameIndex(const Argument *A);
private:
int getArgumentFrameIndex(const Argument *A);
private:
+ void addSEHHandlersForLPads();
+
/// LiveOutRegInfo - Information about live out vregs.
IndexedMap<LiveOutInfo, VirtReg2IndexFunctor> LiveOutRegInfo;
};
/// LiveOutRegInfo - Information about live out vregs.
IndexedMap<LiveOutInfo, VirtReg2IndexFunctor> LiveOutRegInfo;
};
@@
-216,11
+234,6
@@
private:
/// floating-point support.
void ComputeUsesVAFloatArgument(const CallInst &I, MachineModuleInfo *MMI);
/// 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,
/// 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,