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Move addPassesToEmitAssembly from TargetMachine to UltraSparc because it 

really is sparc specific.

llvm-svn: 4308
This commit is contained in:
Chris Lattner 2002-10-28 01:03:43 +00:00
parent f9df48d34c
commit e94db67c4f
3 changed files with 121 additions and 123 deletions
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119
llvm/lib/Target/Sparc/Sparc.cpp
View File

@ -8,7 +8,19 @@
#include "SparcInternals.h" #include "SparcInternals.h"
#include "llvm/Target/Sparc.h" #include "llvm/Target/Sparc.h"
#include "llvm/Function.h" #include "llvm/Function.h"
#include "llvm/PassManager.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/PreSelection.h"
#include "llvm/CodeGen/StackSlots.h"
#include "llvm/CodeGen/PeepholeOpts.h"
#include "llvm/CodeGen/InstrSelection.h"
#include "llvm/CodeGen/InstrScheduling.h"
#include "llvm/CodeGen/RegisterAllocation.h"
#include "llvm/CodeGen/MachineCodeForInstruction.h"
#include "llvm/Reoptimizer/Mapping/MappingInfo.h"
#include "llvm/Reoptimizer/Mapping/FInfo.h"
#include "Support/CommandLine.h"
using std::cerr; using std::cerr;
// Build the MachineInstruction Description Array... // Build the MachineInstruction Description Array...
@ -20,6 +32,19 @@ const MachineInstrDescriptor SparcMachineInstrDesc[] = {
#include "SparcInstr.def" #include "SparcInstr.def"
}; };
//---------------------------------------------------------------------------
// Command line options to control choice of code generation passes.
//---------------------------------------------------------------------------
static cl::opt<bool> DisablePreSelect("nopreselect",
cl::desc("Disable preselection pass"));
static cl::opt<bool> DisableSched("nosched",
cl::desc("Disable local scheduling pass"));
static cl::opt<bool> DisablePeephole("nopeephole",
cl::desc("Disable peephole optimization pass"));
//---------------------------------------------------------------------------- //----------------------------------------------------------------------------
// allocateSparcTargetMachine - Allocate and return a subclass of TargetMachine // allocateSparcTargetMachine - Allocate and return a subclass of TargetMachine
// that implements the Sparc backend. (the llvm/CodeGen/Sparc.h interface) // that implements the Sparc backend. (the llvm/CodeGen/Sparc.h interface)
@ -88,6 +113,47 @@ UltraSparcFrameInfo::getDynamicAreaOffset(MachineFunction& mcInfo,
return offset; return offset;
} }
//===---------------------------------------------------------------------===//
// Default code generation passes.
//
// Native code generation for a specified target.
//===---------------------------------------------------------------------===//
class ConstructMachineCodeForFunction : public FunctionPass {
TargetMachine &Target;
public:
ConstructMachineCodeForFunction(TargetMachine &T) : Target(T) {}
const char *getPassName() const {
return "ConstructMachineCodeForFunction";
}
bool runOnFunction(Function &F) {
MachineFunction::construct(&F, Target);
return false;
}
};
struct FreeMachineCodeForFunction : public FunctionPass {
const char *getPassName() const { return "FreeMachineCodeForFunction"; }
static void freeMachineCode(Instruction &I) {
MachineCodeForInstruction::destroy(&I);
}
bool runOnFunction(Function &F) {
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
for (BasicBlock::iterator I = FI->begin(), E = FI->end(); I != E; ++I)
MachineCodeForInstruction::get(I).dropAllReferences();
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
for_each(FI->begin(), FI->end(), freeMachineCode);
return false;
}
};
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
// class UltraSparcMachine // class UltraSparcMachine
@ -114,3 +180,56 @@ UltraSparc::UltraSparc()
maxAtomicMemOpWordSize = 8; maxAtomicMemOpWordSize = 8;
} }
// addPassesToEmitAssembly - This method controls the entire code generation
// process for the ultra sparc.
//
void UltraSparc::addPassesToEmitAssembly(PassManager &PM, std::ostream &Out)
{
// Construct and initialize the MachineFunction object for this fn.
PM.add(new ConstructMachineCodeForFunction(*this));
//Insert empty stackslots in the stack frame of each function
//so %fp+offset-8 and %fp+offset-16 are empty slots now!
PM.add(createStackSlotsPass(*this));
// Specialize LLVM code for this target machine and then
// run basic dataflow optimizations on LLVM code.
if (!DisablePreSelect)
{
PM.add(createPreSelectionPass(*this));
/* PM.add(createReassociatePass()); */
PM.add(createLICMPass());
PM.add(createGCSEPass());
}
PM.add(createInstructionSelectionPass(*this));
if (!DisableSched)
PM.add(createInstructionSchedulingWithSSAPass(*this));
PM.add(getRegisterAllocator(*this));
PM.add(getPrologEpilogInsertionPass());
if (!DisablePeephole)
PM.add(createPeepholeOptsPass(*this));
PM.add(MappingInfoForFunction(Out));
// Output assembly language to the .s file. Assembly emission is split into
// two parts: Function output and Global value output. This is because
// function output is pipelined with all of the rest of code generation stuff,
// allowing machine code representations for functions to be free'd after the
// function has been emitted.
//
PM.add(getFunctionAsmPrinterPass(Out));
PM.add(new FreeMachineCodeForFunction()); // Free stuff no longer needed
// Emit Module level assembly after all of the functions have been processed.
PM.add(getModuleAsmPrinterPass(Out));
// Emit bytecode to the assembly file into its special section next
PM.add(getEmitBytecodeToAsmPass(Out));
PM.add(getFunctionInfo(Out));
}

3
llvm/lib/Target/Sparc/SparcInternals.h
View File

@ -709,7 +709,6 @@ public:
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
class UltraSparc : public TargetMachine { class UltraSparc : public TargetMachine {
private:
UltraSparcInstrInfo instrInfo; UltraSparcInstrInfo instrInfo;
UltraSparcSchedInfo schedInfo; UltraSparcSchedInfo schedInfo;
UltraSparcRegInfo regInfo; UltraSparcRegInfo regInfo;
@ -726,6 +725,8 @@ public:
virtual const MachineCacheInfo &getCacheInfo() const { return cacheInfo; } virtual const MachineCacheInfo &getCacheInfo() const { return cacheInfo; }
virtual const MachineOptInfo &getOptInfo() const { return optInfo; } virtual const MachineOptInfo &getOptInfo() const { return optInfo; }
virtual void addPassesToEmitAssembly(PassManager &PM, std::ostream &Out);
// getPrologEpilogCodeInserter - Inserts prolog/epilog code. // getPrologEpilogCodeInserter - Inserts prolog/epilog code.
virtual Pass* getPrologEpilogInsertionPass(); virtual Pass* getPrologEpilogInsertionPass();

122
llvm/lib/Target/TargetMachine.cpp
View File

@ -8,34 +8,7 @@
#include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetMachine.h"
#include "llvm/Target/MachineInstrInfo.h" #include "llvm/Target/MachineInstrInfo.h"
#include "llvm/Target/MachineCacheInfo.h" #include "llvm/Target/MachineCacheInfo.h"
#include "llvm/CodeGen/PreSelection.h"
#include "llvm/CodeGen/StackSlots.h"
#include "llvm/CodeGen/InstrSelection.h"
#include "llvm/CodeGen/InstrScheduling.h"
#include "llvm/CodeGen/RegisterAllocation.h"
#include "llvm/CodeGen/PeepholeOpts.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineCodeForInstruction.h"
#include "llvm/Reoptimizer/Mapping/MappingInfo.h"
#include "llvm/Reoptimizer/Mapping/FInfo.h"
#include "llvm/Transforms/Scalar.h"
#include "Support/CommandLine.h"
#include "llvm/PassManager.h"
#include "llvm/Function.h" #include "llvm/Function.h"
#include "llvm/DerivedTypes.h"
//---------------------------------------------------------------------------
// Command line options to control choice of code generation passes.
//---------------------------------------------------------------------------
static cl::opt<bool> DisablePreSelect("nopreselect",
cl::desc("Disable preselection pass"));
static cl::opt<bool> DisableSched("nosched",
cl::desc("Disable local scheduling pass"));
static cl::opt<bool> DisablePeephole("nopeephole",
cl::desc("Disable peephole optimization pass"));
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
// class TargetMachine // class TargetMachine
@ -71,101 +44,6 @@ TargetMachine::findOptimalStorageSize(const Type* ty) const
} }
//===---------------------------------------------------------------------===//
// Default code generation passes.
//
// Native code generation for a specified target.
//===---------------------------------------------------------------------===//
class ConstructMachineCodeForFunction : public FunctionPass {
TargetMachine &Target;
public:
inline ConstructMachineCodeForFunction(TargetMachine &T) : Target(T) {}
const char *getPassName() const {
return "ConstructMachineCodeForFunction";
}
bool runOnFunction(Function &F) {
MachineFunction::construct(&F, Target);
return false;
}
};
struct FreeMachineCodeForFunction : public FunctionPass {
const char *getPassName() const { return "FreeMachineCodeForFunction"; }
static void freeMachineCode(Instruction &I) {
MachineCodeForInstruction::destroy(&I);
}
bool runOnFunction(Function &F) {
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
for (BasicBlock::iterator I = FI->begin(), E = FI->end(); I != E; ++I)
MachineCodeForInstruction::get(I).dropAllReferences();
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
for_each(FI->begin(), FI->end(), freeMachineCode);
return false;
}
};
// addPassesToEmitAssembly - This method controls the entire code generation
// process for the ultra sparc.
//
void
TargetMachine::addPassesToEmitAssembly(PassManager &PM, std::ostream &Out)
{
// Construct and initialize the MachineFunction object for this fn.
PM.add(new ConstructMachineCodeForFunction(*this));
//Insert empty stackslots in the stack frame of each function
//so %fp+offset-8 and %fp+offset-16 are empty slots now!
PM.add(createStackSlotsPass(*this));
// Specialize LLVM code for this target machine and then
// run basic dataflow optimizations on LLVM code.
if (!DisablePreSelect)
{
PM.add(createPreSelectionPass(*this));
/* PM.add(createReassociatePass()); */
PM.add(createLICMPass());
PM.add(createGCSEPass());
}
PM.add(createInstructionSelectionPass(*this));
if (!DisableSched)
PM.add(createInstructionSchedulingWithSSAPass(*this));
PM.add(getRegisterAllocator(*this));
PM.add(getPrologEpilogInsertionPass());
if (!DisablePeephole)
PM.add(createPeepholeOptsPass(*this));
PM.add(MappingInfoForFunction(Out));
// Output assembly language to the .s file. Assembly emission is split into
// two parts: Function output and Global value output. This is because
// function output is pipelined with all of the rest of code generation stuff,
// allowing machine code representations for functions to be free'd after the
// function has been emitted.
//
PM.add(getFunctionAsmPrinterPass(Out));
PM.add(new FreeMachineCodeForFunction()); // Free stuff no longer needed
// Emit Module level assembly after all of the functions have been processed.
PM.add(getModuleAsmPrinterPass(Out));
// Emit bytecode to the assembly file into its special section next
PM.add(getEmitBytecodeToAsmPass(Out));
PM.add(getFunctionInfo(Out));
}
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
// class MachineInstructionInfo // class MachineInstructionInfo
// Interface to description of machine instructions // Interface to description of machine instructions