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Allow combinations of True/Anti/Output flags for each edge to

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support, e.g., dependences on Call instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1009 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2001-10-28 21:45:02 +00:00
parent a93bbac606
commit d0d79c01b4
2 changed files with 32 additions and 14 deletions
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23
lib/CodeGen/InstrSched/SchedGraph.h
View File

@ -35,11 +35,16 @@ class SchedGraphNode;
class SchedGraph;
class RegToRefVecMap;
class MachineInstr;
class MachineCodeForBasicBlock;
/******************** Exported Data Types and Constants ********************/
typedef int ResourceId;
const ResourceId InvalidResourceId = -1;
const ResourceId InvalidRID = -1;
const ResourceId MachineCCRegsRID = -2; // use +ve numbers for actual regs
const ResourceId MachineIntRegsRID = -3; // use +ve numbers for actual regs
const ResourceId MachineFPRegsRID = -4; // use +ve numbers for actual regs
//*********************** Public Class Declarations ************************/
@ -50,14 +55,14 @@ public:
CtrlDep, MemoryDep, DefUseDep, MachineRegister, MachineResource
};
enum DataDepOrderType {
TrueDep, AntiDep, OutputDep, NonDataDep
TrueDep = 0x1, AntiDep=0x2, OutputDep=0x4, NonDataDep=0x8
};
protected:
SchedGraphNode* src;
SchedGraphNode* sink;
SchedGraphEdgeDepType depType;
DataDepOrderType depOrderType;
unsigned int depOrderType;
int minDelay; // cached latency (assumes fixed target arch)
union {
@ -73,21 +78,21 @@ public:
/*ctor*/ SchedGraphEdge(SchedGraphNode* _src,
SchedGraphNode* _sink,
SchedGraphEdgeDepType _depType,
DataDepOrderType _depOrderType =TrueDep,
unsigned int _depOrderType =TrueDep,
int _minDelay = -1);
// constructor for explicit def-use or memory def-use edge
/*ctor*/ SchedGraphEdge(SchedGraphNode* _src,
SchedGraphNode* _sink,
const Value* _val,
DataDepOrderType _depOrderType =TrueDep,
unsigned int _depOrderType =TrueDep,
int _minDelay = -1);
// constructor for machine register dependence
/*ctor*/ SchedGraphEdge(SchedGraphNode* _src,
SchedGraphNode* _sink,
unsigned int _regNum,
DataDepOrderType _depOrderType =TrueDep,
unsigned int _depOrderType =TrueDep,
int _minDelay = -1);
// constructor for any other machine resource dependences.
@ -291,7 +296,7 @@ private:
//
// Graph builder
//
void buildGraph (const TargetMachine& target);
void buildGraph (const TargetMachine& target);
void buildNodesforVMInstr (const TargetMachine& target,
const Instruction* instr);
@ -306,6 +311,10 @@ private:
void addMemEdges (const vector<const Instruction*>& memVec,
const TargetMachine& target);
void addCallCCEdges (const vector<const Instruction*>& memVec,
MachineCodeForBasicBlock& bbMvec,
const TargetMachine& target);
void addMachineRegEdges (RegToRefVecMap& regToRefVecMap,
const TargetMachine& target);

23
lib/Target/SparcV9/InstrSched/SchedGraph.h
View File

@ -35,11 +35,16 @@ class SchedGraphNode;
class SchedGraph;
class RegToRefVecMap;
class MachineInstr;
class MachineCodeForBasicBlock;
/******************** Exported Data Types and Constants ********************/
typedef int ResourceId;
const ResourceId InvalidResourceId = -1;
const ResourceId InvalidRID = -1;
const ResourceId MachineCCRegsRID = -2; // use +ve numbers for actual regs
const ResourceId MachineIntRegsRID = -3; // use +ve numbers for actual regs
const ResourceId MachineFPRegsRID = -4; // use +ve numbers for actual regs
//*********************** Public Class Declarations ************************/
@ -50,14 +55,14 @@ public:
CtrlDep, MemoryDep, DefUseDep, MachineRegister, MachineResource
};
enum DataDepOrderType {
TrueDep, AntiDep, OutputDep, NonDataDep
TrueDep = 0x1, AntiDep=0x2, OutputDep=0x4, NonDataDep=0x8
};
protected:
SchedGraphNode* src;
SchedGraphNode* sink;
SchedGraphEdgeDepType depType;
DataDepOrderType depOrderType;
unsigned int depOrderType;
int minDelay; // cached latency (assumes fixed target arch)
union {
@ -73,21 +78,21 @@ public:
/*ctor*/ SchedGraphEdge(SchedGraphNode* _src,
SchedGraphNode* _sink,
SchedGraphEdgeDepType _depType,
DataDepOrderType _depOrderType =TrueDep,
unsigned int _depOrderType =TrueDep,
int _minDelay = -1);
// constructor for explicit def-use or memory def-use edge
/*ctor*/ SchedGraphEdge(SchedGraphNode* _src,
SchedGraphNode* _sink,
const Value* _val,
DataDepOrderType _depOrderType =TrueDep,
unsigned int _depOrderType =TrueDep,
int _minDelay = -1);
// constructor for machine register dependence
/*ctor*/ SchedGraphEdge(SchedGraphNode* _src,
SchedGraphNode* _sink,
unsigned int _regNum,
DataDepOrderType _depOrderType =TrueDep,
unsigned int _depOrderType =TrueDep,
int _minDelay = -1);
// constructor for any other machine resource dependences.
@ -291,7 +296,7 @@ private:
//
// Graph builder
//
void buildGraph (const TargetMachine& target);
void buildGraph (const TargetMachine& target);
void buildNodesforVMInstr (const TargetMachine& target,
const Instruction* instr);
@ -306,6 +311,10 @@ private:
void addMemEdges (const vector<const Instruction*>& memVec,
const TargetMachine& target);
void addCallCCEdges (const vector<const Instruction*>& memVec,
MachineCodeForBasicBlock& bbMvec,
const TargetMachine& target);
void addMachineRegEdges (RegToRefVecMap& regToRefVecMap,
const TargetMachine& target);