--- /dev/null
+//===-- FunctionLoweringInfo.h - Lower functions from LLVM IR to CodeGen --===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This implements routines for translating functions from LLVM IR into
+// Machine IR.
+//
+//===----------------------------------------------------------------------===//
+
+#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/SmallVector.h"
+#ifndef NDEBUG
+#include "llvm/ADT/SmallSet.h"
+#endif
+#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/CodeGen/ISDOpcodes.h"
+#include "llvm/Support/CallSite.h"
+#include <vector>
+
+namespace llvm {
+
+class AllocaInst;
+class BasicBlock;
+class CallInst;
+class Function;
+class GlobalVariable;
+class Instruction;
+class MachineInstr;
+class MachineBasicBlock;
+class MachineFunction;
+class MachineModuleInfo;
+class MachineRegisterInfo;
+class TargetLowering;
+class Value;
+
+//===--------------------------------------------------------------------===//
+/// FunctionLoweringInfo - This contains information that is global to a
+/// function that is used when lowering a region of the function.
+///
+class FunctionLoweringInfo {
+public:
+ const TargetLowering &TLI;
+ const Function *Fn;
+ MachineFunction *MF;
+ MachineRegisterInfo *RegInfo;
+
+ /// CanLowerReturn - true iff the function's return value can be lowered to
+ /// registers.
+ bool CanLowerReturn;
+
+ /// DemoteRegister - if CanLowerReturn is false, DemoteRegister is a vreg
+ /// allocated to hold a pointer to the hidden sret parameter.
+ unsigned DemoteRegister;
+
+ /// MBBMap - A mapping from LLVM basic blocks to their machine code entry.
+ DenseMap<const BasicBlock*, MachineBasicBlock *> MBBMap;
+
+ /// ValueMap - Since we emit code for the function a basic block at a time,
+ /// we must remember which virtual registers hold the values for
+ /// cross-basic-block values.
+ DenseMap<const Value*, unsigned> ValueMap;
+
+ /// StaticAllocaMap - Keep track of frame indices for fixed sized allocas in
+ /// the entry block. This allows the allocas to be efficiently referenced
+ /// anywhere in the function.
+ DenseMap<const AllocaInst*, int> StaticAllocaMap;
+
+ /// ArgDbgValues - A list of DBG_VALUE instructions created during isel for
+ /// function arguments that are inserted after scheduling is completed.
+ SmallVector<MachineInstr*, 8> ArgDbgValues;
+
+#ifndef NDEBUG
+ SmallSet<const Instruction *, 8> CatchInfoLost;
+ SmallSet<const Instruction *, 8> CatchInfoFound;
+#endif
+
+ struct LiveOutInfo {
+ unsigned NumSignBits;
+ APInt KnownOne, KnownZero;
+ LiveOutInfo() : NumSignBits(0), KnownOne(1, 0), KnownZero(1, 0) {}
+ };
+
+ /// LiveOutRegInfo - Information about live out vregs, indexed by their
+ /// register number offset by 'FirstVirtualRegister'.
+ std::vector<LiveOutInfo> LiveOutRegInfo;
+
+ /// PHINodesToUpdate - A list of phi instructions whose operand list will
+ /// be updated after processing the current basic block.
+ /// 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;
+
+ explicit FunctionLoweringInfo(const TargetLowering &TLI);
+
+ /// set - Initialize this FunctionLoweringInfo with the given Function
+ /// and its associated MachineFunction.
+ ///
+ void set(const Function &Fn, MachineFunction &MF);
+
+ /// clear - Clear out all the function-specific state. This returns this
+ /// FunctionLoweringInfo to an empty state, ready to be used for a
+ /// different function.
+ void clear();
+
+ /// isExportedInst - Return true if the specified value is an instruction
+ /// exported from its block.
+ bool isExportedInst(const Value *V) {
+ return ValueMap.count(V);
+ }
+
+ unsigned CreateReg(EVT VT);
+
+ unsigned CreateRegs(const Type *Ty);
+
+ unsigned InitializeRegForValue(const Value *V) {
+ unsigned &R = ValueMap[V];
+ assert(R == 0 && "Already initialized this value register!");
+ return R = CreateRegs(V->getType());
+ }
+};
+
+/// 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);
+
+/// CopyCatchInfo - Copy catch information from DestBB to SrcBB.
+void CopyCatchInfo(const BasicBlock *SrcBB, const BasicBlock *DestBB,
+ MachineModuleInfo *MMI, FunctionLoweringInfo &FLI);
+
+} // end namespace llvm
+
+#endif
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/CodeGen/FastISel.h"
+#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/ErrorHandling.h"
-#include "FunctionLoweringInfo.h"
using namespace llvm;
bool FastISel::hasTrivialKill(const Value *V) const {
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "function-lowering-info"
-#include "FunctionLoweringInfo.h"
+#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Function.h"
#include "llvm/Instructions.h"
+++ /dev/null
-//===-- FunctionLoweringInfo.h - Lower functions from LLVM IR to CodeGen --===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This implements routines for translating functions from LLVM IR into
-// Machine IR.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef FUNCTIONLOWERINGINFO_H
-#define FUNCTIONLOWERINGINFO_H
-
-#include "llvm/InlineAsm.h"
-#include "llvm/Instructions.h"
-#include "llvm/ADT/APInt.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallVector.h"
-#ifndef NDEBUG
-#include "llvm/ADT/SmallSet.h"
-#endif
-#include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/CodeGen/ISDOpcodes.h"
-#include "llvm/Support/CallSite.h"
-#include <vector>
-
-namespace llvm {
-
-class AllocaInst;
-class BasicBlock;
-class CallInst;
-class Function;
-class GlobalVariable;
-class Instruction;
-class MachineInstr;
-class MachineBasicBlock;
-class MachineFunction;
-class MachineModuleInfo;
-class MachineRegisterInfo;
-class TargetLowering;
-class Value;
-
-//===--------------------------------------------------------------------===//
-/// FunctionLoweringInfo - This contains information that is global to a
-/// function that is used when lowering a region of the function.
-///
-class FunctionLoweringInfo {
-public:
- const TargetLowering &TLI;
- const Function *Fn;
- MachineFunction *MF;
- MachineRegisterInfo *RegInfo;
-
- /// CanLowerReturn - true iff the function's return value can be lowered to
- /// registers.
- bool CanLowerReturn;
-
- /// DemoteRegister - if CanLowerReturn is false, DemoteRegister is a vreg
- /// allocated to hold a pointer to the hidden sret parameter.
- unsigned DemoteRegister;
-
- /// MBBMap - A mapping from LLVM basic blocks to their machine code entry.
- DenseMap<const BasicBlock*, MachineBasicBlock *> MBBMap;
-
- /// ValueMap - Since we emit code for the function a basic block at a time,
- /// we must remember which virtual registers hold the values for
- /// cross-basic-block values.
- DenseMap<const Value*, unsigned> ValueMap;
-
- /// StaticAllocaMap - Keep track of frame indices for fixed sized allocas in
- /// the entry block. This allows the allocas to be efficiently referenced
- /// anywhere in the function.
- DenseMap<const AllocaInst*, int> StaticAllocaMap;
-
- /// ArgDbgValues - A list of DBG_VALUE instructions created during isel for
- /// function arguments that are inserted after scheduling is completed.
- SmallVector<MachineInstr*, 8> ArgDbgValues;
-
-#ifndef NDEBUG
- SmallSet<const Instruction *, 8> CatchInfoLost;
- SmallSet<const Instruction *, 8> CatchInfoFound;
-#endif
-
- struct LiveOutInfo {
- unsigned NumSignBits;
- APInt KnownOne, KnownZero;
- LiveOutInfo() : NumSignBits(0), KnownOne(1, 0), KnownZero(1, 0) {}
- };
-
- /// LiveOutRegInfo - Information about live out vregs, indexed by their
- /// register number offset by 'FirstVirtualRegister'.
- std::vector<LiveOutInfo> LiveOutRegInfo;
-
- /// PHINodesToUpdate - A list of phi instructions whose operand list will
- /// be updated after processing the current basic block.
- /// 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;
-
- explicit FunctionLoweringInfo(const TargetLowering &TLI);
-
- /// set - Initialize this FunctionLoweringInfo with the given Function
- /// and its associated MachineFunction.
- ///
- void set(const Function &Fn, MachineFunction &MF);
-
- /// clear - Clear out all the function-specific state. This returns this
- /// FunctionLoweringInfo to an empty state, ready to be used for a
- /// different function.
- void clear();
-
- /// isExportedInst - Return true if the specified value is an instruction
- /// exported from its block.
- bool isExportedInst(const Value *V) {
- return ValueMap.count(V);
- }
-
- unsigned CreateReg(EVT VT);
-
- unsigned CreateRegs(const Type *Ty);
-
- unsigned InitializeRegForValue(const Value *V) {
- unsigned &R = ValueMap[V];
- assert(R == 0 && "Already initialized this value register!");
- return R = CreateRegs(V->getType());
- }
-};
-
-/// 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);
-
-/// CopyCatchInfo - Copy catch information from DestBB to SrcBB.
-void CopyCatchInfo(const BasicBlock *SrcBB, const BasicBlock *DestBB,
- MachineModuleInfo *MMI, FunctionLoweringInfo &FLI);
-
-} // end namespace llvm
-
-#endif
#define DEBUG_TYPE "isel"
#include "SDNodeDbgValue.h"
#include "SelectionDAGBuilder.h"
-#include "FunctionLoweringInfo.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Module.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/FastISel.h"
+#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/GCStrategy.h"
#include "llvm/CodeGen/GCMetadata.h"
#include "llvm/CodeGen/MachineFunction.h"
#define DEBUG_TYPE "isel"
#include "ScheduleDAGSDNodes.h"
#include "SelectionDAGBuilder.h"
-#include "FunctionLoweringInfo.h"
+#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/DebugInfo.h"