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llvm-svn: 21438
This commit is contained in:
Misha Brukman 2005-04-22 03:46:24 +00:00
parent 7860850b86
commit 5e38b1e17e
9 changed files with 140 additions and 143 deletions
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2
include/llvm/CodeGen/LiveVariables.h
View File

@ -243,7 +243,7 @@ public:
void MarkVirtRegAliveInBlock(VarInfo &VRInfo, MachineBasicBlock *BB);
void HandleVirtRegUse(VarInfo &VRInfo, MachineBasicBlock *MBB,
MachineInstr *MI);
MachineInstr *MI);
};
} // End llvm namespace

4
include/llvm/CodeGen/MachineFunction.h
View File

@ -61,8 +61,8 @@ public:
void removeNodeFromList(MachineBasicBlock* N);
void transferNodesFromList(iplist<MachineBasicBlock,
ilist_traits<MachineBasicBlock> > &toList,
ilist_iterator<MachineBasicBlock> first,
ilist_iterator<MachineBasicBlock> last);
ilist_iterator<MachineBasicBlock> first,
ilist_iterator<MachineBasicBlock> last);
};
/// MachineFunctionInfo - This class can be derived from and used by targets to

44
include/llvm/CodeGen/MachineInstr.h
View File

@ -43,29 +43,29 @@ typedef short MachineOpCode;
// first and initialize each one later.
//
// E.g, for this VM instruction:
// ptr = alloca type, numElements
// ptr = alloca type, numElements
// we generate 2 machine instructions on the SPARC:
//
// mul Constant, Numelements -> Reg
// add %sp, Reg -> Ptr
// mul Constant, Numelements -> Reg
// add %sp, Reg -> Ptr
//
// Each instruction has 3 operands, listed above. Of those:
// - Reg, NumElements, and Ptr are of operand type MO_Register.
// - Constant is of operand type MO_SignExtendedImmed on the SPARC.
//
// - Reg, NumElements, and Ptr are of operand type MO_Register.
// - Constant is of operand type MO_SignExtendedImmed on the SPARC.
//
// For the register operands, the virtual register type is as follows:
//
// - Reg will be of virtual register type MO_MInstrVirtualReg. The field
// MachineInstr* minstr will point to the instruction that computes reg.
//
// - %sp will be of virtual register type MO_MachineReg.
// The field regNum identifies the machine register.
// - Reg will be of virtual register type MO_MInstrVirtualReg. The field
// MachineInstr* minstr will point to the instruction that computes reg.
//
// - NumElements will be of virtual register type MO_VirtualReg.
// The field Value* value identifies the value.
// - %sp will be of virtual register type MO_MachineReg.
// The field regNum identifies the machine register.
//
// - Ptr will also be of virtual register type MO_VirtualReg.
// Again, the field Value* value identifies the value.
// - NumElements will be of virtual register type MO_VirtualReg.
// The field Value* value identifies the value.
//
// - Ptr will also be of virtual register type MO_VirtualReg.
// Again, the field Value* value identifies the value.
//
//===----------------------------------------------------------------------===//
@ -96,8 +96,8 @@ public:
};
enum MachineOperandType {
MO_VirtualRegister, // virtual register for *value
MO_MachineRegister, // pre-assigned machine register `regNum'
MO_VirtualRegister, // virtual register for *value
MO_MachineRegister, // pre-assigned machine register `regNum'
MO_CCRegister,
MO_SignExtendedImmed,
MO_UnextendedImmed,
@ -118,7 +118,7 @@ private:
// the generated machine code.
// LLVM global for MO_GlobalAddress.
int64_t immedVal; // Constant value for an explicit constant
int64_t immedVal; // Constant value for an explicit constant
MachineBasicBlock *MBB; // For MO_MachineBasicBlock type
const char *SymbolName; // For MO_ExternalSymbol type
@ -127,7 +127,7 @@ private:
char flags; // see bit field definitions above
MachineOperandType opType:8; // Pack into 8 bits efficiently after flags.
union {
int regNum; // register number for an explicit register
int regNum; // register number for an explicit register
// will be set for a value after reg allocation
int offset; // Offset to address of global or external, only
@ -154,7 +154,7 @@ private:
}
MachineOperand(Value *V, MachineOperandType OpTy, UseType UseTy,
bool isPCRelative = false)
bool isPCRelative = false)
: flags(UseTy | (isPCRelative?PCRELATIVE:0)), opType(OpTy) {
assert(OpTy != MachineOperand::MO_GlobalAddress);
zeroContents();
@ -163,7 +163,7 @@ private:
}
MachineOperand(GlobalValue *V, MachineOperandType OpTy, UseType UseTy,
bool isPCRelative = false, int Offset = 0)
bool isPCRelative = false, int Offset = 0)
: flags(UseTy | (isPCRelative?PCRELATIVE:0)), opType(OpTy) {
assert(OpTy == MachineOperand::MO_GlobalAddress);
zeroContents ();
@ -366,7 +366,7 @@ private:
///
void setRegForValue(int reg) {
assert(opType == MO_VirtualRegister || opType == MO_CCRegister ||
opType == MO_MachineRegister);
opType == MO_MachineRegister);
extra.regNum = reg;
}

42
include/llvm/CodeGen/SchedGraphCommon.h
View File

@ -57,7 +57,7 @@ public:
// Iterators
iterator beginInEdges() { return inEdges.begin(); }
iterator endInEdges() { return inEdges.end(); }
iterator endInEdges() { return inEdges.end(); }
iterator beginOutEdges() { return outEdges.begin(); }
iterator endOutEdges() { return outEdges.end(); }
@ -73,11 +73,11 @@ public:
protected:
friend class SchedGraphCommon;
friend class SchedGraphEdge; // give access for adding edges
friend class SchedGraphEdge; // give access for adding edges
// disable default constructor and provide a ctor for single-block graphs
SchedGraphNodeCommon(); // DO NOT IMPLEMENT
SchedGraphNodeCommon(); // DO NOT IMPLEMENT
inline SchedGraphNodeCommon(unsigned Id, int index, int late=0) : ID(Id), latency(late), origIndexInBB(index) {}
@ -93,7 +93,7 @@ protected:
// ostream << operator for SchedGraphNode class
inline std::ostream &operator<<(std::ostream &os,
const SchedGraphNodeCommon &node) {
const SchedGraphNodeCommon &node) {
node.print(os);
return os;
}
@ -114,8 +114,8 @@ public:
};
protected:
SchedGraphNodeCommon* src;
SchedGraphNodeCommon* sink;
SchedGraphNodeCommon* src;
SchedGraphNodeCommon* sink;
SchedGraphEdgeDepType depType;
unsigned int depOrderType;
int minDelay; // cached latency (assumes fixed target arch)
@ -127,35 +127,35 @@ protected:
ResourceId resourceId;
};
public:
public:
// For all constructors, if minDelay is unspecified, minDelay is
// set to _src->getLatency().
// constructor for CtrlDep or MemoryDep edges, selected by 3rd argument
SchedGraphEdge(SchedGraphNodeCommon* _src, SchedGraphNodeCommon* _sink,
SchedGraphEdgeDepType _depType, unsigned int _depOrderType,
int _minDelay = -1);
SchedGraphEdgeDepType _depType, unsigned int _depOrderType,
int _minDelay = -1);
// constructor for explicit value dependence (may be true/anti/output)
SchedGraphEdge(SchedGraphNodeCommon* _src, SchedGraphNodeCommon* _sink,
const Value* _val, unsigned int _depOrderType,
int _minDelay = -1);
const Value* _val, unsigned int _depOrderType,
int _minDelay = -1);
// constructor for machine register dependence
SchedGraphEdge(SchedGraphNodeCommon* _src,SchedGraphNodeCommon* _sink,
unsigned int _regNum, unsigned int _depOrderType,
int _minDelay = -1);
unsigned int _regNum, unsigned int _depOrderType,
int _minDelay = -1);
// constructor for any other machine resource dependences.
// DataDepOrderType is always NonDataDep. It it not an argument to
// avoid overloading ambiguity with previous constructor.
SchedGraphEdge(SchedGraphNodeCommon* _src, SchedGraphNodeCommon* _sink,
ResourceId _resourceId, int _minDelay = -1);
ResourceId _resourceId, int _minDelay = -1);
~SchedGraphEdge() {}
SchedGraphNodeCommon* getSrc() const { return src; }
SchedGraphNodeCommon* getSink() const { return sink; }
SchedGraphNodeCommon* getSrc() const { return src; }
SchedGraphNodeCommon* getSink() const { return sink; }
int getMinDelay() const { return minDelay; }
SchedGraphEdgeDepType getDepType() const { return depType; }
unsigned int getDepOrderType() const { return depOrderType; }
@ -187,7 +187,7 @@ public:
private:
// disable default ctor
SchedGraphEdge(); // DO NOT IMPLEMENT
SchedGraphEdge(); // DO NOT IMPLEMENT
};
// ostream << operator for SchedGraphNode class
@ -247,12 +247,12 @@ public:
inline _EdgeType* getEdge() const { return *(oi); }
inline _Self &operator++() { ++oi; return *this; } // Preincrement
inline _Self operator++(int) { // Postincrement
inline _Self operator++(int) { // Postincrement
_Self tmp(*this); ++*this; return tmp;
}
inline _Self &operator--() { --oi; return *this; } // Predecrement
inline _Self operator--(int) { // Postdecrement
inline _Self operator--(int) { // Postdecrement
_Self tmp = *this; --*this; return tmp;
}
};
@ -275,12 +275,12 @@ public:
inline _EdgeType* getEdge() const { return *(oi); }
inline _Self &operator++() { ++oi; return *this; } // Preincrement
inline _Self operator++(int) { // Postincrement
inline _Self operator++(int) { // Postincrement
_Self tmp(*this); ++*this; return tmp;
}
inline _Self &operator--() { --oi; return *this; } // Predecrement
inline _Self operator--(int) { // Postdecrement
inline _Self operator--(int) { // Postdecrement
_Self tmp = *this; --*this; return tmp;
}
};

36
include/llvm/Config/alloca.h
View File

@ -7,9 +7,9 @@
******************************************************************************
*
* Description:
* This header file includes the infamous alloc.h header file if the
* autoconf system has found it. It hides all of the autoconf details
* from the rest of the application source code.
* This header file includes the infamous alloc.h header file if the
* autoconf system has found it. It hides all of the autoconf details
* from the rest of the application source code.
*/
#ifndef _CONFIG_ALLOC_H
@ -19,9 +19,9 @@
/*
* This is a modified version of that suggested by the Autoconf manual.
* 1) The #pragma is indented so that pre-ANSI C compilers ignore it.
* 2) If alloca.h cannot be found, then try stdlib.h. Some platforms
* (notably FreeBSD) defined alloca() there.
* 1) The #pragma is indented so that pre-ANSI C compilers ignore it.
* 2) If alloca.h cannot be found, then try stdlib.h. Some platforms
* (notably FreeBSD) defined alloca() there.
*/
#ifdef _MSC_VER
#include <malloc.h>
@ -31,19 +31,19 @@
#elif defined(__MINGW32__) && defined(HAVE_MALLOC_H)
#include <malloc.h>
#elif !defined(__GNUC__)
# ifdef _AIX
# pragma alloca
# else
# ifndef alloca
char * alloca ();
# endif
# endif
# ifdef _AIX
# pragma alloca
# else
# ifndef alloca
char * alloca ();
# endif
# endif
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# else
# error "The function alloca() is required but not found!"
# endif
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# else
# error "The function alloca() is required but not found!"
# endif
#endif
#endif

6
include/llvm/Target/MRegisterInfo.h
View File

@ -123,7 +123,7 @@ private:
protected:
MRegisterInfo(const MRegisterDesc *D, unsigned NR,
regclass_iterator RegClassBegin, regclass_iterator RegClassEnd,
int CallFrameSetupOpcode = -1, int CallFrameDestroyOpcode = -1);
int CallFrameSetupOpcode = -1, int CallFrameDestroyOpcode = -1);
virtual ~MRegisterInfo();
public:
@ -285,8 +285,8 @@ public:
MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI) const {
assert(getCallFrameSetupOpcode()== -1 && getCallFrameDestroyOpcode()== -1 &&
"eliminateCallFramePseudoInstr must be implemented if using"
" call frame setup/destroy pseudo instructions!");
"eliminateCallFramePseudoInstr must be implemented if using"
" call frame setup/destroy pseudo instructions!");
assert(0 && "Call Frame Pseudo Instructions do not exist on this target!");
}

25
include/llvm/Target/TargetFrameInfo.h
View File

@ -81,26 +81,23 @@ public:
// This method adjusts a stack offset to meet alignment rules of target.
virtual int adjustAlignment(int unalignedOffset, bool growUp,
unsigned align) const;
unsigned align) const;
// These methods compute offsets using the frame contents for a particular
// function. The frame contents are obtained from the MachineFunction object
// for the given function. The rest must be implemented by the
// machine-specific subclass.
//
virtual int getIncomingArgOffset (MachineFunction& mcInfo,
unsigned argNum) const;
virtual int getOutgoingArgOffset (MachineFunction& mcInfo,
unsigned argNum) const;
virtual int getFirstAutomaticVarOffset (MachineFunction& mcInfo,
bool& growUp) const;
virtual int getRegSpillAreaOffset (MachineFunction& mcInfo,
bool& growUp) const;
virtual int getTmpAreaOffset (MachineFunction& mcInfo,
bool& growUp) const;
virtual int getDynamicAreaOffset (MachineFunction& mcInfo,
bool& growUp) const;
virtual int getIncomingArgOffset(MachineFunction& mcInfo,
unsigned argNum) const;
virtual int getOutgoingArgOffset(MachineFunction& mcInfo,
unsigned argNum) const;
virtual int getFirstAutomaticVarOffset(MachineFunction& mcInfo,
bool& growUp) const;
virtual int getRegSpillAreaOffset(MachineFunction& mcInfo,
bool& growUp) const;
virtual int getTmpAreaOffset(MachineFunction& mcInfo, bool& growUp) const;
virtual int getDynamicAreaOffset(MachineFunction& mcInfo, bool& growUp) const;
};
} // End llvm namespace

30
include/llvm/Target/TargetInstrInfo.h
View File

@ -39,22 +39,22 @@ typedef unsigned InstrSchedClass;
//---------------------------------------------------------------------------
// struct TargetInstrDescriptor:
// Predefined information about each machine instruction.
// Designed to initialized statically.
// Predefined information about each machine instruction.
// Designed to initialized statically.
//
const unsigned M_NOP_FLAG = 1 << 0;
const unsigned M_BRANCH_FLAG = 1 << 1;
const unsigned M_CALL_FLAG = 1 << 2;
const unsigned M_RET_FLAG = 1 << 3;
const unsigned M_BARRIER_FLAG = 1 << 4;
const unsigned M_DELAY_SLOT_FLAG = 1 << 5;
const unsigned M_CC_FLAG = 1 << 6;
const unsigned M_LOAD_FLAG = 1 << 7;
const unsigned M_STORE_FLAG = 1 << 8;
const unsigned M_NOP_FLAG = 1 << 0;
const unsigned M_BRANCH_FLAG = 1 << 1;
const unsigned M_CALL_FLAG = 1 << 2;
const unsigned M_RET_FLAG = 1 << 3;
const unsigned M_BARRIER_FLAG = 1 << 4;
const unsigned M_DELAY_SLOT_FLAG = 1 << 5;
const unsigned M_CC_FLAG = 1 << 6;
const unsigned M_LOAD_FLAG = 1 << 7;
const unsigned M_STORE_FLAG = 1 << 8;
// M_2_ADDR_FLAG - 3-addr instructions which really work like 2-addr ones.
const unsigned M_2_ADDR_FLAG = 1 << 9;
const unsigned M_2_ADDR_FLAG = 1 << 9;
// M_CONVERTIBLE_TO_3_ADDR - This is a M_2_ADDR_FLAG instruction which can be
// changed into a 3-address instruction if the first two operands cannot be
@ -78,7 +78,7 @@ public:
int numOperands; // Number of args; -1 if variable #args
int resultPos; // Position of the result; -1 if no result
unsigned maxImmedConst; // Largest +ve constant in IMMED field or 0.
bool immedIsSignExtended; // Is IMMED field sign-extended? If so,
bool immedIsSignExtended; // Is IMMED field sign-extended? If so,
// smallest -ve value is -(maxImmedConst+1).
unsigned numDelaySlots; // Number of delay slots after instruction
unsigned latency; // Latency in machine cycles
@ -275,7 +275,7 @@ public:
// of this machine instruction
//
virtual bool constantFitsInImmedField(MachineOpCode Opcode,
int64_t intValue) const;
int64_t intValue) const;
// Return the largest positive constant that can be held in the IMMED field
// of this machine instruction.
@ -284,7 +284,7 @@ public:
// Return 0 if the instruction has no IMMED field.
//
virtual uint64_t maxImmedConstant(MachineOpCode Opcode,
bool &isSignExtended) const {
bool &isSignExtended) const {
isSignExtended = get(Opcode).immedIsSignExtended;
return get(Opcode).maxImmedConst;
}

94
include/llvm/Target/TargetSchedInfo.h
View File

@ -72,13 +72,13 @@ const int MAX_NUM_CYCLES = 32;
struct InstrClassRUsage {
InstrSchedClass schedClass;
int totCycles;
int totCycles;
// Issue restrictions common to instructions in this class
unsigned maxNumIssue;
bool isSingleIssue;
bool breaksGroup;
CycleCount_t numBubbles;
bool isSingleIssue;
bool breaksGroup;
CycleCount_t numBubbles;
// Feasible slots to use for instructions in this class.
// The size of vector S[] is `numSlots'.
@ -91,41 +91,41 @@ struct InstrClassRUsage {
struct {
resourceId_t resourceId;
unsigned startCycle;
int numCycles;
int numCycles;
} V[MAX_NUM_CYCLES];
};
struct InstrRUsageDelta {
MachineOpCode opCode;
resourceId_t resourceId;
resourceId_t resourceId;
unsigned startCycle;
int numCycles;
int numCycles;
};
// Specify instruction issue restrictions for individual instructions
// that differ from the common rules for the class.
//
struct InstrIssueDelta {
MachineOpCode opCode;
bool isSingleIssue;
bool breaksGroup;
CycleCount_t numBubbles;
MachineOpCode opCode;
bool isSingleIssue;
bool breaksGroup;
CycleCount_t numBubbles;
};
struct InstrRUsage {
bool sameAsClass;
bool sameAsClass;
// Issue restrictions for this instruction
bool isSingleIssue;
bool breaksGroup;
CycleCount_t numBubbles;
bool isSingleIssue;
bool breaksGroup;
CycleCount_t numBubbles;
// Feasible slots to use for this instruction.
std::vector<bool> feasibleSlots;
// Resource usages for this instruction, with one resource vector per cycle.
CycleCount_t numCycles;
CycleCount_t numCycles;
std::vector<std::vector<resourceId_t> > resourcesByCycle;
private:
@ -139,12 +139,12 @@ private:
numBubbles = delta.numBubbles;
}
void addUsageDelta (const InstrRUsageDelta& delta);
void setMaxSlots (int maxNumSlots) {
void addUsageDelta(const InstrRUsageDelta& delta);
void setMaxSlots(int maxNumSlots) {
feasibleSlots.resize(maxNumSlots);
}
friend class TargetSchedInfo; // give access to these functions
friend class TargetSchedInfo; // give access to these functions
};
@ -157,7 +157,7 @@ public:
const TargetMachine& target;
unsigned maxNumIssueTotal;
int longestIssueConflict;
int longestIssueConflict;
protected:
inline const InstrRUsage& getInstrRUsage(MachineOpCode opCode) const {
@ -173,20 +173,20 @@ private:
TargetSchedInfo(const TargetSchedInfo &); // DO NOT IMPLEMENT
void operator=(const TargetSchedInfo &); // DO NOT IMPLEMENT
public:
/*ctor*/ TargetSchedInfo (const TargetMachine& tgt,
int _numSchedClasses,
const InstrClassRUsage* _classRUsages,
const InstrRUsageDelta* _usageDeltas,
const InstrIssueDelta* _issueDeltas,
unsigned _numUsageDeltas,
unsigned _numIssueDeltas);
/*dtor*/ virtual ~TargetSchedInfo() {}
TargetSchedInfo(const TargetMachine& tgt,
int _numSchedClasses,
const InstrClassRUsage* _classRUsages,
const InstrRUsageDelta* _usageDeltas,
const InstrIssueDelta* _issueDeltas,
unsigned _numUsageDeltas,
unsigned _numIssueDeltas);
virtual ~TargetSchedInfo() {}
inline const TargetInstrInfo& getInstrInfo() const {
return *mii;
}
inline int getNumSchedClasses() const {
inline int getNumSchedClasses() const {
return numSchedClasses;
}
@ -199,42 +199,42 @@ public:
return classRUsages[sc].maxNumIssue;
}
inline InstrSchedClass getSchedClass (MachineOpCode opCode) const {
inline InstrSchedClass getSchedClass(MachineOpCode opCode) const {
return getInstrInfo().getSchedClass(opCode);
}
inline bool instrCanUseSlot (MachineOpCode opCode,
unsigned s) const {
inline bool instrCanUseSlot(MachineOpCode opCode,
unsigned s) const {
assert(s < getInstrRUsage(opCode).feasibleSlots.size() && "Invalid slot!");
return getInstrRUsage(opCode).feasibleSlots[s];
}
inline int getLongestIssueConflict () const {
inline int getLongestIssueConflict() const {
return longestIssueConflict;
}
inline int getMinIssueGap (MachineOpCode fromOp,
MachineOpCode toOp) const {
inline int getMinIssueGap(MachineOpCode fromOp,
MachineOpCode toOp) const {
assert(fromOp < (int) issueGaps.size());
const std::vector<int>& toGaps = issueGaps[fromOp];
return (toOp < (int) toGaps.size())? toGaps[toOp] : 0;
}
inline const std::vector<MachineOpCode>&
getConflictList(MachineOpCode opCode) const {
getConflictList(MachineOpCode opCode) const {
assert(opCode < (int) conflictLists.size());
return conflictLists[opCode];
}
inline bool isSingleIssue (MachineOpCode opCode) const {
inline bool isSingleIssue(MachineOpCode opCode) const {
return getInstrRUsage(opCode).isSingleIssue;
}
inline bool breaksIssueGroup (MachineOpCode opCode) const {
inline bool breaksIssueGroup(MachineOpCode opCode) const {
return getInstrRUsage(opCode).breaksGroup;
}
inline unsigned numBubblesAfter (MachineOpCode opCode) const {
inline unsigned numBubblesAfter(MachineOpCode opCode) const {
return getInstrRUsage(opCode).numBubbles;
}
@ -248,7 +248,7 @@ public:
protected:
virtual void initializeResources ();
virtual void initializeResources();
private:
void computeInstrResources(const std::vector<InstrRUsage>& instrRUForClasses);
@ -265,18 +265,18 @@ public:
std::vector<std::pair<int,int> > resourceNumVector;
protected:
unsigned numSchedClasses;
unsigned numSchedClasses;
const TargetInstrInfo* mii;
const InstrClassRUsage* classRUsages; // raw array by sclass
const InstrRUsageDelta* usageDeltas; // raw array [1:numUsageDeltas]
const InstrIssueDelta* issueDeltas; // raw array [1:numIssueDeltas]
unsigned numUsageDeltas;
unsigned numIssueDeltas;
const InstrClassRUsage* classRUsages; // raw array by sclass
const InstrRUsageDelta* usageDeltas; // raw array [1:numUsageDeltas]
const InstrIssueDelta* issueDeltas; // raw array [1:numIssueDeltas]
unsigned numUsageDeltas;
unsigned numIssueDeltas;
std::vector<InstrRUsage> instrRUsages; // indexed by opcode
std::vector<std::vector<int> > issueGaps; // indexed by [opcode1][opcode2]
std::vector<std::vector<MachineOpCode> >
conflictLists; // indexed by [opcode]
conflictLists; // indexed by [opcode]
friend class ModuloSchedulingPass;