mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-05 13:09:10 +00:00
Convert assembly emission over to a two pass approach.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1662 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
parent
ccca2ed854
commit
c19b8b10e5
@ -4,7 +4,10 @@
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// LLVM. The code in this file assumes that the specified module has already
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// been compiled into the internal data structures of the Module.
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//
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// The entry point of this file is the UltraSparc::emitAssembly method.
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// This code largely consists of two LLVM Pass's: a MethodPass and a Pass. The
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// MethodPass is pipelined together with all of the rest of the code generation
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// stages, and the Pass runs at the end to emit code for global variables and
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// such.
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//
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//===----------------------------------------------------------------------===//
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@ -24,17 +27,21 @@ using std::string;
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namespace {
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//===----------------------------------------------------------------------===//
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// Code Shared By the two printer passes, as a mixin
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//===----------------------------------------------------------------------===//
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class SparcAsmPrinter {
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class AsmPrinter {
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typedef std::hash_map<const Value*, int> ValIdMap;
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typedef ValIdMap:: iterator ValIdMapIterator;
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typedef ValIdMap::const_iterator ValIdMapConstIterator;
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SlotCalculator *Table; // map anonymous values to unique integer IDs
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ValIdMap valToIdMap; // used for values not handled by SlotCalculator
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public:
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std::ostream &toAsm;
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SlotCalculator Table; // map anonymous values to unique integer IDs
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ValIdMap valToIdMap; // used for values not handled by SlotCalculator
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const UltraSparc &Target;
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enum Sections {
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Unknown,
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Text,
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@ -42,28 +49,27 @@ class SparcAsmPrinter {
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InitRWData,
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UninitRWData,
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} CurSection;
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public:
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inline SparcAsmPrinter(std::ostream &o, const Module *M, const UltraSparc &t)
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: toAsm(o), Table(SlotCalculator(M, true)), Target(t), CurSection(Unknown) {
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AsmPrinter(std::ostream &os, const UltraSparc &T)
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: Table(0), toAsm(os), Target(T), CurSection(Unknown) {}
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// (start|end)(Module|Method) - Callback methods to be invoked by subclasses
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void startModule(Module *M) {
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Table = new SlotCalculator(M, true);
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}
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void startMethod(Method *M) {
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// Make sure the slot table has information about this method...
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Table->incorporateMethod(M);
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}
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void endMethod(Method *M) {
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Table->purgeMethod(); // Forget all about M.
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}
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void endModule() {
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delete Table; Table = 0;
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valToIdMap.clear();
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}
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void emitMethod(const Method *M);
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void emitGlobalsAndConstants(const Module *M);
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private :
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void emitBasicBlock(const BasicBlock *BB);
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void emitMachineInst(const MachineInstr *MI);
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void printGlobalVariable( const GlobalVariable* GV);
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void printSingleConstant( const Constant* CV);
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void printConstantValueOnly(const Constant* CV);
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void printConstant( const Constant* CV, std::string valID = "");
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unsigned int printOperands(const MachineInstr *MI, unsigned int opNum);
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void printOneOperand(const MachineOperand &Op);
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bool OpIsBranchTargetLabel(const MachineInstr *MI, unsigned int opNum);
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bool OpIsMemoryAddressBase(const MachineInstr *MI, unsigned int opNum);
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// enterSection - Use this method to enter a different section of the output
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// executable. This is used to only output neccesary section transitions.
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@ -84,7 +90,7 @@ private :
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toAsm << "\n";
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}
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std::string getValidSymbolName(const string &S) {
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static std::string getValidSymbolName(const string &S) {
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string Result;
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// Symbol names in Sparc assembly language have these rules:
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@ -120,11 +126,13 @@ private :
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if (V->hasName()) {
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Result = FP + V->getName();
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} else {
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int valId = Table.getValSlot(V);
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int valId = Table->getValSlot(V);
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if (valId == -1) {
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ValIdMapConstIterator I = valToIdMap.find(V);
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valId = (I == valToIdMap.end())? (valToIdMap[V] = valToIdMap.size())
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: (*I).second;
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if (I == valToIdMap.end())
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valId = valToIdMap[V] = valToIdMap.size();
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else
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valId = I->second;
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}
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Result = FP + string(Prefix) + itostr(valId);
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}
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@ -147,6 +155,45 @@ private :
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string getID(const Constant *CV) {
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return getID(CV, "LLVMConst_", ".C_");
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}
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};
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//===----------------------------------------------------------------------===//
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// SparcMethodAsmPrinter Code
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//===----------------------------------------------------------------------===//
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struct SparcMethodAsmPrinter : public MethodPass, public AsmPrinter {
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inline SparcMethodAsmPrinter(std::ostream &os, const UltraSparc &t)
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: AsmPrinter(os, t) {}
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virtual bool doInitialization(Module *M) {
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startModule(M);
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return false;
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}
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virtual bool runOnMethod(Method *M) {
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startMethod(M);
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emitMethod(M);
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endMethod(M);
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return false;
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}
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virtual bool doFinalization(Module *M) {
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endModule();
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return false;
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}
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void emitMethod(const Method *M);
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private :
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void emitBasicBlock(const BasicBlock *BB);
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void emitMachineInst(const MachineInstr *MI);
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unsigned int printOperands(const MachineInstr *MI, unsigned int opNum);
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void printOneOperand(const MachineOperand &Op);
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bool OpIsBranchTargetLabel(const MachineInstr *MI, unsigned int opNum);
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bool OpIsMemoryAddressBase(const MachineInstr *MI, unsigned int opNum);
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unsigned getOperandMask(unsigned Opcode) {
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switch (Opcode) {
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@ -157,6 +204,215 @@ private :
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}
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};
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inline bool
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SparcMethodAsmPrinter::OpIsBranchTargetLabel(const MachineInstr *MI,
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unsigned int opNum) {
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switch (MI->getOpCode()) {
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case JMPLCALL:
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case JMPLRET: return (opNum == 0);
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default: return false;
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}
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}
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inline bool
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SparcMethodAsmPrinter::OpIsMemoryAddressBase(const MachineInstr *MI,
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unsigned int opNum) {
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if (Target.getInstrInfo().isLoad(MI->getOpCode()))
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return (opNum == 0);
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else if (Target.getInstrInfo().isStore(MI->getOpCode()))
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return (opNum == 1);
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else
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return false;
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}
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#define PrintOp1PlusOp2(Op1, Op2) \
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printOneOperand(Op1); \
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toAsm << "+"; \
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printOneOperand(Op2);
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unsigned int
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SparcMethodAsmPrinter::printOperands(const MachineInstr *MI,
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unsigned int opNum)
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{
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const MachineOperand& Op = MI->getOperand(opNum);
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if (OpIsBranchTargetLabel(MI, opNum))
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{
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PrintOp1PlusOp2(Op, MI->getOperand(opNum+1));
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return 2;
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}
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else if (OpIsMemoryAddressBase(MI, opNum))
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{
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toAsm << "[";
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PrintOp1PlusOp2(Op, MI->getOperand(opNum+1));
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toAsm << "]";
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return 2;
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}
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else
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{
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printOneOperand(Op);
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return 1;
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}
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}
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void
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SparcMethodAsmPrinter::printOneOperand(const MachineOperand &op)
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{
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switch (op.getOperandType())
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{
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case MachineOperand::MO_VirtualRegister:
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case MachineOperand::MO_CCRegister:
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case MachineOperand::MO_MachineRegister:
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{
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int RegNum = (int)op.getAllocatedRegNum();
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// ****this code is temporary till NULL Values are fixed
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if (RegNum == Target.getRegInfo().getInvalidRegNum()) {
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toAsm << "<NULL VALUE>";
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} else {
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toAsm << "%" << Target.getRegInfo().getUnifiedRegName(RegNum);
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}
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break;
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}
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case MachineOperand::MO_PCRelativeDisp:
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{
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const Value *Val = op.getVRegValue();
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if (!Val)
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toAsm << "\t<*NULL Value*>";
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else if (const BasicBlock *BB = dyn_cast<const BasicBlock>(Val))
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toAsm << getID(BB);
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else if (const Method *M = dyn_cast<const Method>(Val))
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toAsm << getID(M);
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else if (const GlobalVariable *GV=dyn_cast<const GlobalVariable>(Val))
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toAsm << getID(GV);
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else if (const Constant *CV = dyn_cast<const Constant>(Val))
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toAsm << getID(CV);
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else
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toAsm << "<unknown value=" << Val << ">";
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break;
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}
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case MachineOperand::MO_SignExtendedImmed:
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case MachineOperand::MO_UnextendedImmed:
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toAsm << (long)op.getImmedValue();
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break;
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default:
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toAsm << op; // use dump field
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break;
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}
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}
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void
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SparcMethodAsmPrinter::emitMachineInst(const MachineInstr *MI)
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{
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unsigned Opcode = MI->getOpCode();
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if (TargetInstrDescriptors[Opcode].iclass & M_DUMMY_PHI_FLAG)
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return; // IGNORE PHI NODES
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toAsm << "\t" << TargetInstrDescriptors[Opcode].opCodeString << "\t";
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unsigned Mask = getOperandMask(Opcode);
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bool NeedComma = false;
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unsigned N = 1;
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for (unsigned OpNum = 0; OpNum < MI->getNumOperands(); OpNum += N)
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if (! ((1 << OpNum) & Mask)) { // Ignore this operand?
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if (NeedComma) toAsm << ", "; // Handle comma outputing
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NeedComma = true;
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N = printOperands(MI, OpNum);
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}
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else
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N = 1;
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toAsm << "\n";
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}
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void
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SparcMethodAsmPrinter::emitBasicBlock(const BasicBlock *BB)
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{
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// Emit a label for the basic block
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toAsm << getID(BB) << ":\n";
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// Get the vector of machine instructions corresponding to this bb.
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const MachineCodeForBasicBlock &MIs = BB->getMachineInstrVec();
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MachineCodeForBasicBlock::const_iterator MII = MIs.begin(), MIE = MIs.end();
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// Loop over all of the instructions in the basic block...
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for (; MII != MIE; ++MII)
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emitMachineInst(*MII);
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toAsm << "\n"; // Seperate BB's with newlines
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}
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void
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SparcMethodAsmPrinter::emitMethod(const Method *M)
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{
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string methName = getID(M);
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toAsm << "!****** Outputing Method: " << methName << " ******\n";
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enterSection(AsmPrinter::Text);
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toAsm << "\t.align\t4\n\t.global\t" << methName << "\n";
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//toAsm << "\t.type\t" << methName << ",#function\n";
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toAsm << "\t.type\t" << methName << ", 2\n";
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toAsm << methName << ":\n";
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// Output code for all of the basic blocks in the method...
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for (Method::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
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emitBasicBlock(*I);
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// Output a .size directive so the debugger knows the extents of the function
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toAsm << ".EndOf_" << methName << ":\n\t.size "
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<< methName << ", .EndOf_"
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<< methName << "-" << methName << "\n";
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// Put some spaces between the methods
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toAsm << "\n\n";
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}
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} // End anonymous namespace
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Pass *UltraSparc::getMethodAsmPrinterPass(PassManager &PM, std::ostream &Out) {
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return new SparcMethodAsmPrinter(Out, *this);
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}
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//===----------------------------------------------------------------------===//
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// SparcMethodAsmPrinter Code
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//===----------------------------------------------------------------------===//
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namespace {
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class SparcModuleAsmPrinter : public Pass, public AsmPrinter {
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public:
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SparcModuleAsmPrinter(ostream &os, UltraSparc &t) : AsmPrinter(os, t) {}
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virtual bool run(Module *M) {
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startModule(M);
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emitGlobalsAndConstants(M);
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endModule();
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return false;
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}
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void emitGlobalsAndConstants(const Module *M);
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void printGlobalVariable(const GlobalVariable *GV);
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void printSingleConstant( const Constant* CV);
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void printConstantValueOnly(const Constant* CV);
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void printConstant( const Constant* CV, std::string valID = "");
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static void FoldConstants(const Module *M,
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std::hash_set<const Constant*> &moduleConstants);
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};
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// Can we treat the specified array as a string? Only if it is an array of
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// ubytes or non-negative sbytes.
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@ -219,185 +475,6 @@ static string getAsCString(ConstantArray *CPA) {
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}
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}
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inline bool
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SparcAsmPrinter::OpIsBranchTargetLabel(const MachineInstr *MI,
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unsigned int opNum) {
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switch (MI->getOpCode()) {
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case JMPLCALL:
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case JMPLRET: return (opNum == 0);
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default: return false;
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}
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}
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inline bool
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SparcAsmPrinter::OpIsMemoryAddressBase(const MachineInstr *MI,
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unsigned int opNum) {
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if (Target.getInstrInfo().isLoad(MI->getOpCode()))
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return (opNum == 0);
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else if (Target.getInstrInfo().isStore(MI->getOpCode()))
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return (opNum == 1);
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else
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return false;
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}
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#define PrintOp1PlusOp2(Op1, Op2) \
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printOneOperand(Op1); \
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toAsm << "+"; \
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printOneOperand(Op2);
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unsigned int
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SparcAsmPrinter::printOperands(const MachineInstr *MI,
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unsigned int opNum)
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{
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const MachineOperand& Op = MI->getOperand(opNum);
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if (OpIsBranchTargetLabel(MI, opNum))
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{
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PrintOp1PlusOp2(Op, MI->getOperand(opNum+1));
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return 2;
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}
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else if (OpIsMemoryAddressBase(MI, opNum))
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{
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toAsm << "[";
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PrintOp1PlusOp2(Op, MI->getOperand(opNum+1));
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toAsm << "]";
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return 2;
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}
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else
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{
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printOneOperand(Op);
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return 1;
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}
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}
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void
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SparcAsmPrinter::printOneOperand(const MachineOperand &op)
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{
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switch (op.getOperandType())
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{
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case MachineOperand::MO_VirtualRegister:
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case MachineOperand::MO_CCRegister:
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case MachineOperand::MO_MachineRegister:
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{
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int RegNum = (int)op.getAllocatedRegNum();
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// ****this code is temporary till NULL Values are fixed
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if (RegNum == Target.getRegInfo().getInvalidRegNum()) {
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toAsm << "<NULL VALUE>";
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} else {
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toAsm << "%" << Target.getRegInfo().getUnifiedRegName(RegNum);
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}
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break;
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}
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case MachineOperand::MO_PCRelativeDisp:
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{
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const Value *Val = op.getVRegValue();
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if (!Val)
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toAsm << "\t<*NULL Value*>";
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else if (const BasicBlock *BB = dyn_cast<const BasicBlock>(Val))
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toAsm << getID(BB);
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else if (const Method *M = dyn_cast<const Method>(Val))
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toAsm << getID(M);
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else if (const GlobalVariable *GV=dyn_cast<const GlobalVariable>(Val))
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toAsm << getID(GV);
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else if (const Constant *CV = dyn_cast<const Constant>(Val))
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toAsm << getID(CV);
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else
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toAsm << "<unknown value=" << Val << ">";
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break;
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}
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case MachineOperand::MO_SignExtendedImmed:
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case MachineOperand::MO_UnextendedImmed:
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toAsm << (long)op.getImmedValue();
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break;
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default:
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toAsm << op; // use dump field
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break;
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}
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}
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void
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SparcAsmPrinter::emitMachineInst(const MachineInstr *MI)
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{
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unsigned Opcode = MI->getOpCode();
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if (TargetInstrDescriptors[Opcode].iclass & M_DUMMY_PHI_FLAG)
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return; // IGNORE PHI NODES
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toAsm << "\t" << TargetInstrDescriptors[Opcode].opCodeString << "\t";
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unsigned Mask = getOperandMask(Opcode);
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bool NeedComma = false;
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unsigned N = 1;
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for (unsigned OpNum = 0; OpNum < MI->getNumOperands(); OpNum += N)
|
||||
if (! ((1 << OpNum) & Mask)) { // Ignore this operand?
|
||||
if (NeedComma) toAsm << ", "; // Handle comma outputing
|
||||
NeedComma = true;
|
||||
N = printOperands(MI, OpNum);
|
||||
}
|
||||
else
|
||||
N = 1;
|
||||
|
||||
toAsm << "\n";
|
||||
}
|
||||
|
||||
void
|
||||
SparcAsmPrinter::emitBasicBlock(const BasicBlock *BB)
|
||||
{
|
||||
// Emit a label for the basic block
|
||||
toAsm << getID(BB) << ":\n";
|
||||
|
||||
// Get the vector of machine instructions corresponding to this bb.
|
||||
const MachineCodeForBasicBlock &MIs = BB->getMachineInstrVec();
|
||||
MachineCodeForBasicBlock::const_iterator MII = MIs.begin(), MIE = MIs.end();
|
||||
|
||||
// Loop over all of the instructions in the basic block...
|
||||
for (; MII != MIE; ++MII)
|
||||
emitMachineInst(*MII);
|
||||
toAsm << "\n"; // Seperate BB's with newlines
|
||||
}
|
||||
|
||||
void
|
||||
SparcAsmPrinter::emitMethod(const Method *M)
|
||||
{
|
||||
if (M->isExternal()) return;
|
||||
|
||||
// Make sure the slot table has information about this method...
|
||||
Table.incorporateMethod(M);
|
||||
|
||||
string methName = getID(M);
|
||||
toAsm << "!****** Outputing Method: " << methName << " ******\n";
|
||||
enterSection(Text);
|
||||
toAsm << "\t.align\t4\n\t.global\t" << methName << "\n";
|
||||
//toAsm << "\t.type\t" << methName << ",#function\n";
|
||||
toAsm << "\t.type\t" << methName << ", 2\n";
|
||||
toAsm << methName << ":\n";
|
||||
|
||||
// Output code for all of the basic blocks in the method...
|
||||
for (Method::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
|
||||
emitBasicBlock(*I);
|
||||
|
||||
// Output a .size directive so the debugger knows the extents of the function
|
||||
toAsm << ".EndOf_" << methName << ":\n\t.size "
|
||||
<< methName << ", .EndOf_"
|
||||
<< methName << "-" << methName << "\n";
|
||||
|
||||
// Put some spaces between the methods
|
||||
toAsm << "\n\n";
|
||||
|
||||
// Forget all about M.
|
||||
Table.purgeMethod();
|
||||
}
|
||||
|
||||
inline bool
|
||||
ArrayTypeIsString(ArrayType* arrayType)
|
||||
{
|
||||
@ -488,7 +565,7 @@ ConstantToAlignment(const Constant* CV, const TargetMachine& target)
|
||||
|
||||
// Print a single constant value.
|
||||
void
|
||||
SparcAsmPrinter::printSingleConstant(const Constant* CV)
|
||||
SparcModuleAsmPrinter::printSingleConstant(const Constant* CV)
|
||||
{
|
||||
assert(CV->getType() != Type::VoidTy &&
|
||||
CV->getType() != Type::TypeTy &&
|
||||
@ -498,8 +575,7 @@ SparcAsmPrinter::printSingleConstant(const Constant* CV)
|
||||
assert((! isa<ConstantArray>( CV) && ! isa<ConstantStruct>(CV))
|
||||
&& "Collective types should be handled outside this function");
|
||||
|
||||
toAsm << "\t"
|
||||
<< TypeToDataDirective(CV->getType()) << "\t";
|
||||
toAsm << "\t" << TypeToDataDirective(CV->getType()) << "\t";
|
||||
|
||||
if (CV->getType()->isPrimitiveType())
|
||||
{
|
||||
@ -526,7 +602,7 @@ SparcAsmPrinter::printSingleConstant(const Constant* CV)
|
||||
// Print a constant value or values (it may be an aggregate).
|
||||
// Uses printSingleConstant() to print each individual value.
|
||||
void
|
||||
SparcAsmPrinter::printConstantValueOnly(const Constant* CV)
|
||||
SparcModuleAsmPrinter::printConstantValueOnly(const Constant* CV)
|
||||
{
|
||||
ConstantArray *CPA = dyn_cast<ConstantArray>(CV);
|
||||
|
||||
@ -554,13 +630,12 @@ SparcAsmPrinter::printConstantValueOnly(const Constant* CV)
|
||||
// appropriate directives. Uses printConstantValueOnly() to print the
|
||||
// value or values.
|
||||
void
|
||||
SparcAsmPrinter::printConstant(const Constant* CV, string valID)
|
||||
SparcModuleAsmPrinter::printConstant(const Constant* CV, string valID)
|
||||
{
|
||||
if (valID.length() == 0)
|
||||
valID = getID(CV);
|
||||
|
||||
toAsm << "\t.align\t" << ConstantToAlignment(CV, Target)
|
||||
<< "\n";
|
||||
toAsm << "\t.align\t" << ConstantToAlignment(CV, Target) << "\n";
|
||||
|
||||
// Print .size and .type only if it is not a string.
|
||||
ConstantArray *CPA = dyn_cast<ConstantArray>(CV);
|
||||
@ -575,25 +650,33 @@ SparcAsmPrinter::printConstant(const Constant* CV, string valID)
|
||||
|
||||
unsigned int constSize = ConstantToSize(CV, Target);
|
||||
if (constSize)
|
||||
toAsm << "\t.size" << "\t" << valID << ","
|
||||
<< constSize << "\n";
|
||||
toAsm << "\t.size" << "\t" << valID << "," << constSize << "\n";
|
||||
|
||||
toAsm << valID << ":\n";
|
||||
|
||||
this->printConstantValueOnly(CV);
|
||||
printConstantValueOnly(CV);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
SparcAsmPrinter::printGlobalVariable(const GlobalVariable* GV)
|
||||
void SparcModuleAsmPrinter::FoldConstants(const Module *M,
|
||||
std::hash_set<const Constant*> &MC) {
|
||||
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
|
||||
if (!(*I)->isExternal()) {
|
||||
const std::hash_set<const Constant*> &pool =
|
||||
MachineCodeForMethod::get(*I).getConstantPoolValues();
|
||||
MC.insert(pool.begin(), pool.end());
|
||||
}
|
||||
}
|
||||
|
||||
void SparcModuleAsmPrinter::printGlobalVariable(const GlobalVariable* GV)
|
||||
{
|
||||
toAsm << "\t.global\t" << getID(GV) << "\n";
|
||||
|
||||
if (GV->hasInitializer())
|
||||
printConstant(GV->getInitializer(), getID(GV));
|
||||
else {
|
||||
toAsm << "\t.align\t"
|
||||
<< TypeToAlignment(GV->getType()->getElementType(), Target) << "\n";
|
||||
toAsm << "\t.align\t" << TypeToAlignment(GV->getType()->getElementType(),
|
||||
Target) << "\n";
|
||||
toAsm << "\t.type\t" << getID(GV) << ",#object\n";
|
||||
toAsm << "\t.reserve\t" << getID(GV) << ","
|
||||
<< Target.findOptimalStorageSize(GV->getType()->getElementType())
|
||||
@ -602,23 +685,7 @@ SparcAsmPrinter::printGlobalVariable(const GlobalVariable* GV)
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
FoldConstants(const Module *M,
|
||||
std::hash_set<const Constant*>& moduleConstants)
|
||||
{
|
||||
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
|
||||
if (! (*I)->isExternal())
|
||||
{
|
||||
const std::hash_set<const Constant*>& pool =
|
||||
MachineCodeForMethod::get(*I).getConstantPoolValues();
|
||||
moduleConstants.insert(pool.begin(), pool.end());
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
SparcAsmPrinter::emitGlobalsAndConstants(const Module *M)
|
||||
{
|
||||
void SparcModuleAsmPrinter::emitGlobalsAndConstants(const Module *M) {
|
||||
// First, get the constants there were marked by the code generator for
|
||||
// inclusion in the assembly code data area and fold them all into a
|
||||
// single constant pool since there may be lots of duplicates. Also,
|
||||
@ -627,7 +694,7 @@ SparcAsmPrinter::emitGlobalsAndConstants(const Module *M)
|
||||
//
|
||||
std::hash_set<const Constant*> moduleConstants;
|
||||
FoldConstants(M, moduleConstants);
|
||||
|
||||
|
||||
// Now, emit the three data sections separately; the cost of I/O should
|
||||
// make up for the cost of extra passes over the globals list!
|
||||
//
|
||||
@ -638,10 +705,10 @@ SparcAsmPrinter::emitGlobalsAndConstants(const Module *M)
|
||||
if (GV->hasInitializer() && GV->isConstant())
|
||||
{
|
||||
if (GI == M->gbegin())
|
||||
enterSection(ReadOnlyData);
|
||||
enterSection(AsmPrinter::ReadOnlyData);
|
||||
printGlobalVariable(GV);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (std::hash_set<const Constant*>::const_iterator
|
||||
I = moduleConstants.begin(),
|
||||
@ -655,11 +722,11 @@ SparcAsmPrinter::emitGlobalsAndConstants(const Module *M)
|
||||
if (GV->hasInitializer() && ! GV->isConstant())
|
||||
{
|
||||
if (GI == M->gbegin())
|
||||
enterSection(InitRWData);
|
||||
enterSection(AsmPrinter::InitRWData);
|
||||
printGlobalVariable(GV);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Uninitialized read-write data section
|
||||
for (Module::const_giterator GI=M->gbegin(), GE=M->gend(); GI != GE; ++GI)
|
||||
{
|
||||
@ -667,38 +734,16 @@ SparcAsmPrinter::emitGlobalsAndConstants(const Module *M)
|
||||
if (! GV->hasInitializer())
|
||||
{
|
||||
if (GI == M->gbegin())
|
||||
enterSection(UninitRWData);
|
||||
enterSection(AsmPrinter::UninitRWData);
|
||||
printGlobalVariable(GV);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
toAsm << "\n";
|
||||
}
|
||||
|
||||
} // End anonymous namespace
|
||||
|
||||
|
||||
//
|
||||
// emitAssembly - Output assembly language code (a .s file) for global
|
||||
// components of the specified module. This assumes that methods have been
|
||||
// previously output.
|
||||
//
|
||||
void
|
||||
UltraSparc::emitAssembly(const Method *M, std::ostream &OutStr) const
|
||||
{
|
||||
SparcAsmPrinter Print(OutStr, M->getParent(), *this);
|
||||
Print.emitMethod(M);
|
||||
Pass *UltraSparc::getModuleAsmPrinterPass(PassManager &PM, std::ostream &Out) {
|
||||
return new SparcModuleAsmPrinter(Out, *this);
|
||||
}
|
||||
|
||||
//
|
||||
// emitAssembly - Output assembly language code (a .s file) for the specified
|
||||
// method. The specified method must have been compiled before this may be
|
||||
// used.
|
||||
//
|
||||
void
|
||||
UltraSparc::emitAssembly(const Module *M, std::ostream &OutStr) const
|
||||
{
|
||||
SparcAsmPrinter Print(OutStr, M, *this);
|
||||
Print.emitGlobalsAndConstants(M);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user