mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-17 21:29:20 +00:00
Cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54536 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
parent
b12ab97bbd
commit
34da127be5
@ -87,7 +87,7 @@ namespace {
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void printMachineInstruction(const MachineInstr *MI);
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void printOp(const MachineOperand &MO);
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/// stripRegisterPrefix - This method strips the character prefix from a
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/// register name so that only the number is left. Used by for linux asm.
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const char *stripRegisterPrefix(const char *RegName) {
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@ -97,22 +97,22 @@ namespace {
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case 'v': return RegName + 1;
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case 'c': if (RegName[1] == 'r') return RegName + 2;
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}
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return RegName;
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}
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/// printRegister - Print register according to target requirements.
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///
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void printRegister(const MachineOperand &MO, bool R0AsZero) {
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unsigned RegNo = MO.getReg();
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assert(TargetRegisterInfo::isPhysicalRegister(RegNo) && "Not physreg??");
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// If we should use 0 for R0.
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if (R0AsZero && RegNo == PPC::R0) {
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O << "0";
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return;
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}
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const char *RegName = TM.getRegisterInfo()->get(RegNo).AsmName;
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// Linux assembler (Others?) does not take register mnemonics.
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// FIXME - What about special registers used in mfspr/mtspr?
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@ -130,13 +130,13 @@ namespace {
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printOp(MO);
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}
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}
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bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
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unsigned AsmVariant, const char *ExtraCode);
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bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
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unsigned AsmVariant, const char *ExtraCode);
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void printS5ImmOperand(const MachineInstr *MI, unsigned OpNo) {
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char value = MI->getOperand(OpNo).getImm();
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value = (value << (32-5)) >> (32-5);
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@ -202,7 +202,7 @@ namespace {
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return;
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}
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}
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printOp(MI->getOperand(OpNo));
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}
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void printAbsAddrOperand(const MachineInstr *MI, unsigned OpNo) {
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@ -249,7 +249,7 @@ namespace {
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void printMemRegImm(const MachineInstr *MI, unsigned OpNo) {
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printSymbolLo(MI, OpNo);
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O << '(';
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if (MI->getOperand(OpNo+1).isRegister() &&
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if (MI->getOperand(OpNo+1).isRegister() &&
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MI->getOperand(OpNo+1).getReg() == PPC::R0)
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O << "0";
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else
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@ -259,17 +259,17 @@ namespace {
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void printMemRegImmShifted(const MachineInstr *MI, unsigned OpNo) {
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if (MI->getOperand(OpNo).isImmediate())
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printS16X4ImmOperand(MI, OpNo);
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else
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else
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printSymbolLo(MI, OpNo);
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O << '(';
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if (MI->getOperand(OpNo+1).isRegister() &&
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if (MI->getOperand(OpNo+1).isRegister() &&
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MI->getOperand(OpNo+1).getReg() == PPC::R0)
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O << "0";
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else
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printOperand(MI, OpNo+1);
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O << ')';
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}
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void printMemRegReg(const MachineInstr *MI, unsigned OpNo) {
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// When used as the base register, r0 reads constant zero rather than
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// the value contained in the register. For this reason, the darwin
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@ -279,23 +279,23 @@ namespace {
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O << ", ";
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printOperand(MI, OpNo+1);
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}
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void printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
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void printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
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const char *Modifier);
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virtual bool runOnMachineFunction(MachineFunction &F) = 0;
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virtual bool doFinalization(Module &M) = 0;
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virtual void EmitExternalGlobal(const GlobalVariable *GV);
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};
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/// LinuxAsmPrinter - PowerPC assembly printer, customized for Linux
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struct VISIBILITY_HIDDEN LinuxAsmPrinter : public PPCAsmPrinter {
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/// PPCLinuxAsmPrinter - PowerPC assembly printer, customized for Linux
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struct VISIBILITY_HIDDEN PPCLinuxAsmPrinter : public PPCAsmPrinter {
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DwarfWriter DW;
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MachineModuleInfo *MMI;
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LinuxAsmPrinter(std::ostream &O, PPCTargetMachine &TM,
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PPCLinuxAsmPrinter(std::ostream &O, PPCTargetMachine &TM,
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const TargetAsmInfo *T)
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: PPCAsmPrinter(O, TM, T), DW(O, this, T), MMI(0) {
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}
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@ -307,7 +307,7 @@ namespace {
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bool runOnMachineFunction(MachineFunction &F);
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bool doInitialization(Module &M);
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bool doFinalization(Module &M);
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void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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AU.addRequired<MachineModuleInfo>();
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@ -319,26 +319,26 @@ namespace {
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virtual std::string getSectionForFunction(const Function &F) const;
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};
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/// DarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac OS
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/// X
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struct VISIBILITY_HIDDEN DarwinAsmPrinter : public PPCAsmPrinter {
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/// PPCDarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac
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/// OS X
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struct VISIBILITY_HIDDEN PPCDarwinAsmPrinter : public PPCAsmPrinter {
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DwarfWriter DW;
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MachineModuleInfo *MMI;
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DarwinAsmPrinter(std::ostream &O, PPCTargetMachine &TM,
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const TargetAsmInfo *T)
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PPCDarwinAsmPrinter(std::ostream &O, PPCTargetMachine &TM,
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const TargetAsmInfo *T)
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: PPCAsmPrinter(O, TM, T), DW(O, this, T), MMI(0) {
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}
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virtual const char *getPassName() const {
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return "Darwin PPC Assembly Printer";
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}
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bool runOnMachineFunction(MachineFunction &F);
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bool doInitialization(Module &M);
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bool doFinalization(Module &M);
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void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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AU.addRequired<MachineModuleInfo>();
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@ -400,12 +400,12 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
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}
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}
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O << Name;
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if (MO.getOffset() > 0)
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O << "+" << MO.getOffset();
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else if (MO.getOffset() < 0)
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O << MO.getOffset();
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if (GV->hasExternalWeakLinkage())
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ExtWeakSymbols.insert(GV);
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return;
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@ -432,19 +432,19 @@ void PPCAsmPrinter::EmitExternalGlobal(const GlobalVariable *GV) {
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/// PrintAsmOperand - Print out an operand for an inline asm expression.
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///
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bool PPCAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
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unsigned AsmVariant,
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unsigned AsmVariant,
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const char *ExtraCode) {
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// Does this asm operand have a single letter operand modifier?
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if (ExtraCode && ExtraCode[0]) {
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if (ExtraCode[1] != 0) return true; // Unknown modifier.
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switch (ExtraCode[0]) {
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default: return true; // Unknown modifier.
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case 'c': // Don't print "$" before a global var name or constant.
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// PPC never has a prefix.
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printOperand(MI, OpNo);
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return false;
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case 'L': // Write second word of DImode reference.
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case 'L': // Write second word of DImode reference.
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// Verify that this operand has two consecutive registers.
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if (!MI->getOperand(OpNo).isRegister() ||
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OpNo+1 == MI->getNumOperands() ||
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@ -460,13 +460,13 @@ bool PPCAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
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return false;
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}
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}
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printOperand(MI, OpNo);
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return false;
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}
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bool PPCAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
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unsigned AsmVariant,
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unsigned AsmVariant,
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const char *ExtraCode) {
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if (ExtraCode && ExtraCode[0])
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return true; // Unknown modifier.
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@ -477,7 +477,7 @@ bool PPCAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
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return false;
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}
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void PPCAsmPrinter::printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
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void PPCAsmPrinter::printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
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const char *Modifier) {
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assert(Modifier && "Must specify 'cc' or 'reg' as predicate op modifier!");
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unsigned Code = MI->getOperand(OpNo).getImm();
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@ -493,7 +493,7 @@ void PPCAsmPrinter::printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
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case PPC::PRED_UN: O << "un"; return;
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case PPC::PRED_NU: O << "nu"; return;
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}
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} else {
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assert(!strcmp(Modifier, "reg") &&
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"Need to specify 'cc' or 'reg' as predicate op modifier!");
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@ -564,18 +564,18 @@ void PPCAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
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/// runOnMachineFunction - This uses the printMachineInstruction()
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/// method to print assembly for each instruction.
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///
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bool LinuxAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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bool PPCLinuxAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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SetupMachineFunction(MF);
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O << "\n\n";
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// Print out constants referenced by the function
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EmitConstantPool(MF.getConstantPool());
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// Print out labels for the function.
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const Function *F = MF.getFunction();
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SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
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switch (F->getLinkage()) {
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default: assert(0 && "Unknown linkage type!");
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case Function::InternalLinkage: // Symbols default to internal.
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@ -590,11 +590,11 @@ bool LinuxAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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O << "\t.weak\t" << CurrentFnName << '\n';
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break;
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}
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if (F->hasHiddenVisibility())
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if (const char *Directive = TAI->getHiddenDirective())
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O << Directive << CurrentFnName << "\n";
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EmitAlignment(2, F);
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O << CurrentFnName << ":\n";
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@ -620,17 +620,17 @@ bool LinuxAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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// Print out jump tables referenced by the function.
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EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
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// Emit post-function debug information.
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DW.EndFunction();
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// We didn't modify anything.
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return false;
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}
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bool LinuxAsmPrinter::doInitialization(Module &M) {
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bool PPCLinuxAsmPrinter::doInitialization(Module &M) {
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bool Result = AsmPrinter::doInitialization(M);
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// Emit initial debug information.
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DW.BeginModule(&M);
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@ -643,7 +643,7 @@ bool LinuxAsmPrinter::doInitialization(Module &M) {
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Mang->setUseQuotes(true);
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SwitchToTextSection(TAI->getTextSection());
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return Result;
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}
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@ -656,14 +656,14 @@ static void PrintUnmangledNameSafely(const Value *V, std::ostream &OS) {
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OS << *Name;
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}
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bool LinuxAsmPrinter::doFinalization(Module &M) {
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bool PPCLinuxAsmPrinter::doFinalization(Module &M) {
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const TargetData *TD = TM.getTargetData();
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// Print out module-level global variables here.
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for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
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I != E; ++I) {
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if (!I->hasInitializer()) continue; // External global require no code
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// Check to see if this is a special global used by LLVM, if so, emit it.
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if (EmitSpecialLLVMGlobal(I))
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continue;
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@ -673,7 +673,7 @@ bool LinuxAsmPrinter::doFinalization(Module &M) {
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if (I->hasHiddenVisibility())
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if (const char *Directive = TAI->getHiddenDirective())
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O << Directive << name << "\n";
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Constant *C = I->getInitializer();
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unsigned Size = TD->getABITypeSize(C->getType());
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unsigned Align = TD->getPreferredAlignmentLog(I);
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@ -770,7 +770,7 @@ bool LinuxAsmPrinter::doFinalization(Module &M) {
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return AsmPrinter::doFinalization(M);
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}
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std::string LinuxAsmPrinter::getSectionForFunction(const Function &F) const {
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std::string PPCLinuxAsmPrinter::getSectionForFunction(const Function &F) const {
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switch (F.getLinkage()) {
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default: assert(0 && "Unknown linkage type!");
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case Function::ExternalLinkage:
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@ -781,7 +781,7 @@ std::string LinuxAsmPrinter::getSectionForFunction(const Function &F) const {
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}
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}
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std::string DarwinAsmPrinter::getSectionForFunction(const Function &F) const {
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std::string PPCDarwinAsmPrinter::getSectionForFunction(const Function &F) const {
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switch (F.getLinkage()) {
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default: assert(0 && "Unknown linkage type!");
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case Function::ExternalLinkage:
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@ -795,7 +795,7 @@ std::string DarwinAsmPrinter::getSectionForFunction(const Function &F) const {
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/// runOnMachineFunction - This uses the printMachineInstruction()
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/// method to print assembly for each instruction.
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///
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bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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bool PPCDarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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SetupMachineFunction(MF);
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O << "\n\n";
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@ -806,7 +806,7 @@ bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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// Print out labels for the function.
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const Function *F = MF.getFunction();
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SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
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switch (F->getLinkage()) {
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default: assert(0 && "Unknown linkage type!");
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case Function::InternalLinkage: // Symbols default to internal.
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@ -820,11 +820,11 @@ bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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O << "\t.weak_definition\t" << CurrentFnName << "\n";
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break;
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}
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if (F->hasHiddenVisibility())
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if (const char *Directive = TAI->getHiddenDirective())
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O << Directive << CurrentFnName << "\n";
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EmitAlignment(OptimizeForSize ? 2 : 4, F);
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O << CurrentFnName << ":\n";
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@ -856,16 +856,16 @@ bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
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// Print out jump tables referenced by the function.
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EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
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// Emit post-function debug information.
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DW.EndFunction();
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// We didn't modify anything.
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return false;
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}
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bool DarwinAsmPrinter::doInitialization(Module &M) {
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bool PPCDarwinAsmPrinter::doInitialization(Module &M) {
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static const char *const CPUDirectives[] = {
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"",
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"ppc",
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@ -887,9 +887,9 @@ bool DarwinAsmPrinter::doInitialization(Module &M) {
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Directive = PPC::DIR_64;
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assert(Directive <= PPC::DIR_64 && "Directive out of range.");
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O << "\t.machine " << CPUDirectives[Directive] << "\n";
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bool Result = AsmPrinter::doInitialization(M);
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// Emit initial debug information.
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DW.BeginModule(&M);
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@ -901,7 +901,7 @@ bool DarwinAsmPrinter::doInitialization(Module &M) {
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// Darwin wants symbols to be quoted if they have complex names.
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Mang->setUseQuotes(true);
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// Prime text sections so they are adjacent. This reduces the likelihood a
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// large data or debug section causes a branch to exceed 16M limit.
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SwitchToTextSection("\t.section __TEXT,__textcoal_nt,coalesced,"
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@ -914,18 +914,18 @@ bool DarwinAsmPrinter::doInitialization(Module &M) {
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"pure_instructions,16");
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}
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SwitchToTextSection(TAI->getTextSection());
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return Result;
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}
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bool DarwinAsmPrinter::doFinalization(Module &M) {
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bool PPCDarwinAsmPrinter::doFinalization(Module &M) {
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const TargetData *TD = TM.getTargetData();
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// Print out module-level global variables here.
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for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
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I != E; ++I) {
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if (!I->hasInitializer()) continue; // External global require no code
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// Check to see if this is a special global used by LLVM, if so, emit it.
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if (EmitSpecialLLVMGlobal(I)) {
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if (TM.getRelocationModel() == Reloc::Static) {
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@ -936,13 +936,13 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
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}
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continue;
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}
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std::string name = Mang->getValueName(I);
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if (I->hasHiddenVisibility())
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if (const char *Directive = TAI->getHiddenDirective())
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O << Directive << name << "\n";
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Constant *C = I->getInitializer();
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const Type *Type = C->getType();
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unsigned Size = TD->getABITypeSize(Type);
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@ -1156,7 +1156,6 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
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O << "\t.quad\t0\n";
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else
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O << "\t.long\t0\n";
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}
|
||||
}
|
||||
|
||||
@ -1184,9 +1183,8 @@ FunctionPass *llvm::createPPCAsmPrinterPass(std::ostream &o,
|
||||
const PPCSubtarget *Subtarget = &tm.getSubtarget<PPCSubtarget>();
|
||||
|
||||
if (Subtarget->isDarwin()) {
|
||||
return new DarwinAsmPrinter(o, tm, tm.getTargetAsmInfo());
|
||||
return new PPCDarwinAsmPrinter(o, tm, tm.getTargetAsmInfo());
|
||||
} else {
|
||||
return new LinuxAsmPrinter(o, tm, tm.getTargetAsmInfo());
|
||||
return new PPCLinuxAsmPrinter(o, tm, tm.getTargetAsmInfo());
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user