[llvm-commits] [llvm] r68383 - in /llvm/trunk/lib/Target/Mips: AsmPrinter/ AsmPrinter/CMakeLists.txt AsmPrinter/Makefile AsmPrinter/MipsAsmPrinter.cpp CMakeLists.txt Makefile MipsAsmPrinter.cpp

Anton Korobeynikov asl at math.spbu.ru
Fri Apr 3 03:41:42 PDT 2009


Author: asl
Date: Fri Apr  3 05:41:41 2009
New Revision: 68383

URL: http://llvm.org/viewvc/llvm-project?rev=68383&view=rev
Log:
Separate MIPS asmprinter

Added:
    llvm/trunk/lib/Target/Mips/AsmPrinter/
    llvm/trunk/lib/Target/Mips/AsmPrinter/CMakeLists.txt
    llvm/trunk/lib/Target/Mips/AsmPrinter/Makefile
    llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
      - copied, changed from r68382, llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp
Removed:
    llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp
Modified:
    llvm/trunk/lib/Target/Mips/CMakeLists.txt
    llvm/trunk/lib/Target/Mips/Makefile

Added: llvm/trunk/lib/Target/Mips/AsmPrinter/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/AsmPrinter/CMakeLists.txt?rev=68383&view=auto

==============================================================================
--- llvm/trunk/lib/Target/Mips/AsmPrinter/CMakeLists.txt (added)
+++ llvm/trunk/lib/Target/Mips/AsmPrinter/CMakeLists.txt Fri Apr  3 05:41:41 2009
@@ -0,0 +1,12 @@
+include_directories(
+  ${CMAKE_CURRENT_BINARY_DIR}/..
+  ${CMAKE_CURRENT_SOURCE_DIR}/..
+  )
+
+add_partially_linked_object(LLVMMipsAsmPrinter
+  MipsAsmPrinter.cpp
+  )
+
+target_name_of_partially_linked_object(LLVMMipsCodeGen n)
+
+add_dependencies(LLVMMipsAsmPrinter ${n})

Added: llvm/trunk/lib/Target/Mips/AsmPrinter/Makefile
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/AsmPrinter/Makefile?rev=68383&view=auto

==============================================================================
--- llvm/trunk/lib/Target/Mips/AsmPrinter/Makefile (added)
+++ llvm/trunk/lib/Target/Mips/AsmPrinter/Makefile Fri Apr  3 05:41:41 2009
@@ -0,0 +1,17 @@
+##===- lib/Target/Mips/AsmPrinter/Makefile -----------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../../../..
+LIBRARYNAME = LLVMMipsAsmPrinter
+
+# Hack: we need to include 'main' Mips target directory to grab
+# private headers
+CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
+
+include $(LEVEL)/Makefile.common

Copied: llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp (from r68382, llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp?p2=llvm/trunk/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp&p1=llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp&r1=68382&r2=68383&rev=68383&view=diff

==============================================================================
    (empty)

Modified: llvm/trunk/lib/Target/Mips/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/CMakeLists.txt?rev=68383&r1=68382&r2=68383&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Mips/CMakeLists.txt (original)
+++ llvm/trunk/lib/Target/Mips/CMakeLists.txt Fri Apr  3 05:41:41 2009
@@ -10,8 +10,7 @@
 tablegen(MipsGenCallingConv.inc -gen-callingconv)
 tablegen(MipsGenSubtarget.inc -gen-subtarget)
 
-add_llvm_target(Mips
-  MipsAsmPrinter.cpp
+add_llvm_target(MipsCodeGen
   MipsDelaySlotFiller.cpp
   MipsInstrInfo.cpp
   MipsISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/Mips/Makefile
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/Makefile?rev=68383&r1=68382&r2=68383&view=diff

==============================================================================
--- llvm/trunk/lib/Target/Mips/Makefile (original)
+++ llvm/trunk/lib/Target/Mips/Makefile Fri Apr  3 05:41:41 2009
@@ -7,7 +7,7 @@
 #
 ##===----------------------------------------------------------------------===##
 LEVEL = ../../..
-LIBRARYNAME = LLVMMips
+LIBRARYNAME = LLVMMipsCodeGen
 TARGET = Mips
 
 # Make sure that tblgen is run, first thing.
@@ -17,5 +17,7 @@
                 MipsGenDAGISel.inc MipsGenCallingConv.inc \
                 MipsGenSubtarget.inc
 
+DIRS = AsmPrinter
+
 include $(LEVEL)/Makefile.common
 

Removed: llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp?rev=68382&view=auto

==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsAsmPrinter.cpp (removed)
@@ -1,578 +0,0 @@
-//===-- MipsAsmPrinter.cpp - Mips LLVM assembly writer --------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains a printer that converts from our internal representation
-// of machine-dependent LLVM code to GAS-format MIPS assembly language.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "mips-asm-printer"
-
-#include "Mips.h"
-#include "MipsSubtarget.h"
-#include "MipsInstrInfo.h"
-#include "MipsTargetMachine.h"
-#include "MipsMachineFunction.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cctype>
-
-using namespace llvm;
-
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
-namespace {
-  class VISIBILITY_HIDDEN MipsAsmPrinter : public AsmPrinter {
-    const MipsSubtarget *Subtarget;
-  public:
-    MipsAsmPrinter(raw_ostream &O, MipsTargetMachine &TM, 
-                   const TargetAsmInfo *T, bool F, bool V)
-      : AsmPrinter(O, TM, T, F, V) {
-      Subtarget = &TM.getSubtarget<MipsSubtarget>();
-    }
-
-    virtual const char *getPassName() const {
-      return "Mips Assembly Printer";
-    }
-
-    bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 
-                         unsigned AsmVariant, const char *ExtraCode);
-    void printOperand(const MachineInstr *MI, int opNum);
-    void printUnsignedImm(const MachineInstr *MI, int opNum);
-    void printMemOperand(const MachineInstr *MI, int opNum, 
-                         const char *Modifier = 0);
-    void printFCCOperand(const MachineInstr *MI, int opNum, 
-                         const char *Modifier = 0);
-    void printModuleLevelGV(const GlobalVariable* GVar);
-    void printSavedRegsBitmask(MachineFunction &MF);
-    void printHex32(unsigned int Value);
-
-    const char *emitCurrentABIString(void);
-    void emitFunctionStart(MachineFunction &MF);
-    void emitFunctionEnd(MachineFunction &MF);
-    void emitFrameDirective(MachineFunction &MF);
-
-    bool printInstruction(const MachineInstr *MI);  // autogenerated.
-    bool runOnMachineFunction(MachineFunction &F);
-    bool doInitialization(Module &M);
-    bool doFinalization(Module &M);
-  };
-} // end of anonymous namespace
-
-#include "MipsGenAsmWriter.inc"
-
-/// createMipsCodePrinterPass - Returns a pass that prints the MIPS
-/// assembly code for a MachineFunction to the given output stream,
-/// using the given target machine description.  This should work
-/// regardless of whether the function is in SSA form.
-FunctionPass *llvm::createMipsCodePrinterPass(raw_ostream &o,
-                                              MipsTargetMachine &tm,
-                                              bool fast, bool verbose) {
-  return new MipsAsmPrinter(o, tm, tm.getTargetAsmInfo(), fast, verbose);
-}
-
-//===----------------------------------------------------------------------===//
-//
-//  Mips Asm Directives
-//
-//  -- Frame directive "frame Stackpointer, Stacksize, RARegister"
-//  Describe the stack frame.
-//
-//  -- Mask directives "(f)mask  bitmask, offset" 
-//  Tells the assembler which registers are saved and where.
-//  bitmask - contain a little endian bitset indicating which registers are 
-//            saved on function prologue (e.g. with a 0x80000000 mask, the 
-//            assembler knows the register 31 (RA) is saved at prologue.
-//  offset  - the position before stack pointer subtraction indicating where 
-//            the first saved register on prologue is located. (e.g. with a
-//
-//  Consider the following function prologue:
-//
-//    .frame  $fp,48,$ra
-//    .mask   0xc0000000,-8
-//       addiu $sp, $sp, -48
-//       sw $ra, 40($sp)
-//       sw $fp, 36($sp)
-//
-//    With a 0xc0000000 mask, the assembler knows the register 31 (RA) and 
-//    30 (FP) are saved at prologue. As the save order on prologue is from 
-//    left to right, RA is saved first. A -8 offset means that after the 
-//    stack pointer subtration, the first register in the mask (RA) will be
-//    saved at address 48-8=40.
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-// Mask directives
-//===----------------------------------------------------------------------===//
-
-// Create a bitmask with all callee saved registers for CPU or Floating Point 
-// registers. For CPU registers consider RA, GP and FP for saving if necessary.
-void MipsAsmPrinter::
-printSavedRegsBitmask(MachineFunction &MF)
-{
-  const TargetRegisterInfo &RI = *TM.getRegisterInfo();
-  MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
-             
-  // CPU and FPU Saved Registers Bitmasks
-  unsigned int CPUBitmask = 0;
-  unsigned int FPUBitmask = 0;
-
-  // Set the CPU and FPU Bitmasks
-  MachineFrameInfo *MFI = MF.getFrameInfo();
-  const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
-  for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
-    unsigned RegNum = MipsRegisterInfo::getRegisterNumbering(CSI[i].getReg());
-    if (CSI[i].getRegClass() == Mips::CPURegsRegisterClass)
-      CPUBitmask |= (1 << RegNum);
-    else
-      FPUBitmask |= (1 << RegNum);
-  }
-
-  // Return Address and Frame registers must also be set in CPUBitmask.
-  if (RI.hasFP(MF)) 
-    CPUBitmask |= (1 << MipsRegisterInfo::
-                getRegisterNumbering(RI.getFrameRegister(MF)));
-  
-  if (MF.getFrameInfo()->hasCalls()) 
-    CPUBitmask |= (1 << MipsRegisterInfo::
-                getRegisterNumbering(RI.getRARegister()));
-
-  // Print CPUBitmask
-  O << "\t.mask \t"; printHex32(CPUBitmask); O << ','
-    << MipsFI->getCPUTopSavedRegOff() << '\n';
-
-  // Print FPUBitmask
-  O << "\t.fmask\t"; printHex32(FPUBitmask); O << ","
-    << MipsFI->getFPUTopSavedRegOff() << '\n';
-}
-
-// Print a 32 bit hex number with all numbers.
-void MipsAsmPrinter::
-printHex32(unsigned int Value) 
-{
-  O << "0x";
-  for (int i = 7; i >= 0; i--) 
-    O << utohexstr( (Value & (0xF << (i*4))) >> (i*4) );
-}
-
-//===----------------------------------------------------------------------===//
-// Frame and Set directives
-//===----------------------------------------------------------------------===//
-
-/// Frame Directive
-void MipsAsmPrinter::
-emitFrameDirective(MachineFunction &MF)
-{
-  const TargetRegisterInfo &RI = *TM.getRegisterInfo();
-
-  unsigned stackReg  = RI.getFrameRegister(MF);
-  unsigned returnReg = RI.getRARegister();
-  unsigned stackSize = MF.getFrameInfo()->getStackSize();
-
-
-  O << "\t.frame\t" << '$' << LowercaseString(RI.get(stackReg).AsmName)
-                    << ',' << stackSize << ','
-                    << '$' << LowercaseString(RI.get(returnReg).AsmName)
-                    << '\n';
-}
-
-/// Emit Set directives.
-const char * MipsAsmPrinter::
-emitCurrentABIString(void) 
-{  
-  switch(Subtarget->getTargetABI()) {
-    case MipsSubtarget::O32:  return "abi32";  
-    case MipsSubtarget::O64:  return "abiO64";
-    case MipsSubtarget::N32:  return "abiN32";
-    case MipsSubtarget::N64:  return "abi64";
-    case MipsSubtarget::EABI: return "eabi32"; // TODO: handle eabi64
-    default: break;
-  }
-
-  assert(0 && "Unknown Mips ABI");
-  return NULL;
-}  
-
-/// Emit the directives used by GAS on the start of functions
-void MipsAsmPrinter::
-emitFunctionStart(MachineFunction &MF)
-{
-  // Print out the label for the function.
-  const Function *F = MF.getFunction();
-  SwitchToSection(TAI->SectionForGlobal(F));
-
-  // 2 bits aligned
-  EmitAlignment(2, F);
-
-  O << "\t.globl\t"  << CurrentFnName << '\n';
-  O << "\t.ent\t"    << CurrentFnName << '\n';
-
-  printVisibility(CurrentFnName, F->getVisibility());
-
-  if ((TAI->hasDotTypeDotSizeDirective()) && Subtarget->isLinux())
-    O << "\t.type\t"   << CurrentFnName << ", @function\n";
-
-  O << CurrentFnName << ":\n";
-
-  emitFrameDirective(MF);
-  printSavedRegsBitmask(MF);
-
-  O << '\n';
-}
-
-/// Emit the directives used by GAS on the end of functions
-void MipsAsmPrinter::
-emitFunctionEnd(MachineFunction &MF) 
-{
-  // There are instruction for this macros, but they must
-  // always be at the function end, and we can't emit and
-  // break with BB logic. 
-  O << "\t.set\tmacro\n"; 
-  O << "\t.set\treorder\n"; 
-
-  O << "\t.end\t" << CurrentFnName << '\n';
-  if (TAI->hasDotTypeDotSizeDirective() && !Subtarget->isLinux())
-    O << "\t.size\t" << CurrentFnName << ", .-" << CurrentFnName << '\n';
-}
-
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-bool MipsAsmPrinter::
-runOnMachineFunction(MachineFunction &MF) 
-{
-  this->MF = &MF;
-
-  SetupMachineFunction(MF);
-
-  // Print out constants referenced by the function
-  EmitConstantPool(MF.getConstantPool());
-
-  // Print out jump tables referenced by the function
-  EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
-
-  O << "\n\n";
-
-  // Emit the function start directives
-  emitFunctionStart(MF);
-
-  // Print out code for the function.
-  for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
-       I != E; ++I) {
-
-    // Print a label for the basic block.
-    if (I != MF.begin()) {
-      printBasicBlockLabel(I, true, true);
-      O << '\n';
-    }
-
-    for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
-         II != E; ++II) {
-      // Print the assembly for the instruction.
-      printInstruction(II);
-      ++EmittedInsts;
-    }
-
-    // Each Basic Block is separated by a newline
-    O << '\n';
-  }
-
-  // Emit function end directives
-  emitFunctionEnd(MF);
-
-  // We didn't modify anything.
-  return false;
-}
-
-// Print out an operand for an inline asm expression.
-bool MipsAsmPrinter::
-PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 
-                unsigned AsmVariant, const char *ExtraCode) 
-{
-  // Does this asm operand have a single letter operand modifier?
-  if (ExtraCode && ExtraCode[0]) 
-    return true; // Unknown modifier.
-
-  printOperand(MI, OpNo);
-  return false;
-}
-
-void MipsAsmPrinter::
-printOperand(const MachineInstr *MI, int opNum) 
-{
-  const MachineOperand &MO = MI->getOperand(opNum);
-  const TargetRegisterInfo  &RI = *TM.getRegisterInfo();
-  bool closeP = false;
-  bool isPIC = (TM.getRelocationModel() == Reloc::PIC_);
-  bool isCodeLarge = (TM.getCodeModel() == CodeModel::Large);
-
-  // %hi and %lo used on mips gas to load global addresses on
-  // static code. %got is used to load global addresses when 
-  // using PIC_. %call16 is used to load direct call targets
-  // on PIC_ and small code size. %call_lo and %call_hi load 
-  // direct call targets on PIC_ and large code size.
-  if (MI->getOpcode() == Mips::LUi && !MO.isReg() && !MO.isImm()) {
-    if ((isPIC) && (isCodeLarge))
-      O << "%call_hi(";
-    else
-      O << "%hi(";
-    closeP = true;
-  } else if ((MI->getOpcode() == Mips::ADDiu) && !MO.isReg() && !MO.isImm()) {
-    const MachineOperand &firstMO = MI->getOperand(opNum-1);
-    if (firstMO.getReg() == Mips::GP)
-      O << "%gp_rel(";
-    else
-      O << "%lo(";
-    closeP = true;
-  } else if ((isPIC) && (MI->getOpcode() == Mips::LW) &&
-             (!MO.isReg()) && (!MO.isImm())) {
-    const MachineOperand &firstMO = MI->getOperand(opNum-1);
-    const MachineOperand &lastMO  = MI->getOperand(opNum+1);
-    if ((firstMO.isReg()) && (lastMO.isReg())) {
-      if ((firstMO.getReg() == Mips::T9) && (lastMO.getReg() == Mips::GP) 
-          && (!isCodeLarge))
-        O << "%call16(";
-      else if ((firstMO.getReg() != Mips::T9) && (lastMO.getReg() == Mips::GP))
-        O << "%got(";
-      else if ((firstMO.getReg() == Mips::T9) && (lastMO.getReg() != Mips::GP) 
-               && (isCodeLarge))
-        O << "%call_lo(";
-      closeP = true;
-    }
-  }
- 
-  switch (MO.getType()) 
-  {
-    case MachineOperand::MO_Register:
-      if (TargetRegisterInfo::isPhysicalRegister(MO.getReg()))
-        O << '$' << LowercaseString (RI.get(MO.getReg()).AsmName);
-      else
-        O << '$' << MO.getReg();
-      break;
-
-    case MachineOperand::MO_Immediate:
-      O << (short int)MO.getImm();
-      break;
-
-    case MachineOperand::MO_MachineBasicBlock:
-      printBasicBlockLabel(MO.getMBB());
-      return;
-
-    case MachineOperand::MO_GlobalAddress:
-      {
-        const GlobalValue *GV = MO.getGlobal();
-        O << Mang->getValueName(GV);
-      }
-      break;
-
-    case MachineOperand::MO_ExternalSymbol:
-      O << MO.getSymbolName();
-      break;
-
-    case MachineOperand::MO_JumpTableIndex:
-      O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
-      << '_' << MO.getIndex();
-      break;
-
-    case MachineOperand::MO_ConstantPoolIndex:
-      O << TAI->getPrivateGlobalPrefix() << "CPI"
-        << getFunctionNumber() << "_" << MO.getIndex();
-      break;
-  
-    default:
-      O << "<unknown operand type>"; abort (); break;
-  }
-
-  if (closeP) O << ")";
-}
-
-void MipsAsmPrinter::
-printUnsignedImm(const MachineInstr *MI, int opNum) 
-{
-  const MachineOperand &MO = MI->getOperand(opNum);
-  if (MO.getType() == MachineOperand::MO_Immediate)
-    O << (unsigned short int)MO.getImm();
-  else 
-    printOperand(MI, opNum);
-}
-
-void MipsAsmPrinter::
-printMemOperand(const MachineInstr *MI, int opNum, const char *Modifier) 
-{
-  // when using stack locations for not load/store instructions
-  // print the same way as all normal 3 operand instructions.
-  if (Modifier && !strcmp(Modifier, "stackloc")) {
-    printOperand(MI, opNum+1);
-    O << ", ";
-    printOperand(MI, opNum);
-    return;
-  }
-
-  // Load/Store memory operands -- imm($reg) 
-  // If PIC target the target is loaded as the 
-  // pattern lw $25,%call16($28)
-  printOperand(MI, opNum);
-  O << "(";
-  printOperand(MI, opNum+1);
-  O << ")";
-}
-
-void MipsAsmPrinter::
-printFCCOperand(const MachineInstr *MI, int opNum, const char *Modifier) 
-{
-  const MachineOperand& MO = MI->getOperand(opNum);
-  O << Mips::MipsFCCToString((Mips::CondCode)MO.getImm()); 
-}
-
-bool MipsAsmPrinter::
-doInitialization(Module &M) 
-{
-  Mang = new Mangler(M, "", TAI->getPrivateGlobalPrefix());
-
-  // Tell the assembler which ABI we are using
-  O << "\t.section .mdebug." << emitCurrentABIString() << '\n';
-
-  // TODO: handle O64 ABI
-  if (Subtarget->isABI_EABI())
-    O << "\t.section .gcc_compiled_long" << 
-      (Subtarget->isGP32bit() ? "32" : "64") << '\n';
-
-  // return to previous section
-  O << "\t.previous" << '\n'; 
-
-  return false; // success
-}
-
-void MipsAsmPrinter::
-printModuleLevelGV(const GlobalVariable* GVar) {
-  const TargetData *TD = TM.getTargetData();
-
-  if (!GVar->hasInitializer())
-    return;   // External global require no code
-
-  // Check to see if this is a special global used by LLVM, if so, emit it.
-  if (EmitSpecialLLVMGlobal(GVar))
-    return;
-
-  O << "\n\n";
-  std::string name = Mang->getValueName(GVar);
-  Constant *C = GVar->getInitializer();
-  const Type *CTy = C->getType();
-  unsigned Size = TD->getTypePaddedSize(CTy);
-  const ConstantArray *CVA = dyn_cast<ConstantArray>(C);
-  bool printSizeAndType = true;
-
-  // A data structure or array is aligned in memory to the largest
-  // alignment boundary required by any data type inside it (this matches
-  // the Preferred Type Alignment). For integral types, the alignment is
-  // the type size.
-  unsigned Align;
-  if (CTy->getTypeID() == Type::IntegerTyID ||
-      CTy->getTypeID() == Type::VoidTyID) {
-    assert(!(Size & (Size-1)) && "Alignment is not a power of two!");
-    Align = Log2_32(Size);
-  } else
-    Align = TD->getPreferredTypeAlignmentShift(CTy);
-
-  printVisibility(name, GVar->getVisibility());
-
-  SwitchToSection(TAI->SectionForGlobal(GVar));
-
-  if (C->isNullValue() && !GVar->hasSection()) {
-    if (!GVar->isThreadLocal() &&
-        (GVar->hasLocalLinkage() || GVar->isWeakForLinker())) {
-      if (Size == 0) Size = 1;   // .comm Foo, 0 is undefined, avoid it.
-
-      if (GVar->hasLocalLinkage())
-        O << "\t.local\t" << name << '\n';
-
-      O << TAI->getCOMMDirective() << name << ',' << Size;
-      if (TAI->getCOMMDirectiveTakesAlignment())
-        O << ',' << (1 << Align);
-
-      O << '\n';
-      return;
-    }
-  }
-  switch (GVar->getLinkage()) {
-   case GlobalValue::LinkOnceAnyLinkage:
-   case GlobalValue::LinkOnceODRLinkage:
-   case GlobalValue::CommonLinkage:
-   case GlobalValue::WeakAnyLinkage:
-   case GlobalValue::WeakODRLinkage:
-    // FIXME: Verify correct for weak.
-    // Nonnull linkonce -> weak
-    O << "\t.weak " << name << '\n';
-    break;
-   case GlobalValue::AppendingLinkage:
-    // FIXME: appending linkage variables should go into a section of their name
-    // or something.  For now, just emit them as external.
-   case GlobalValue::ExternalLinkage:
-    // If external or appending, declare as a global symbol
-    O << TAI->getGlobalDirective() << name << '\n';
-    // Fall Through
-   case GlobalValue::PrivateLinkage:
-   case GlobalValue::InternalLinkage:
-    if (CVA && CVA->isCString())
-      printSizeAndType = false;
-    break;
-   case GlobalValue::GhostLinkage:
-    cerr << "Should not have any unmaterialized functions!\n";
-    abort();
-   case GlobalValue::DLLImportLinkage:
-    cerr << "DLLImport linkage is not supported by this target!\n";
-    abort();
-   case GlobalValue::DLLExportLinkage:
-    cerr << "DLLExport linkage is not supported by this target!\n";
-    abort();
-   default:
-    assert(0 && "Unknown linkage type!");
-  }
-
-  EmitAlignment(Align, GVar);
-
-  if (TAI->hasDotTypeDotSizeDirective() && printSizeAndType) {
-    O << "\t.type " << name << ", at object\n";
-    O << "\t.size " << name << ',' << Size << '\n';
-  }
-
-  O << name << ":\n";
-  EmitGlobalConstant(C);
-}
-
-bool MipsAsmPrinter::
-doFinalization(Module &M)
-{
-  // Print out module-level global variables here.
-  for (Module::const_global_iterator I = M.global_begin(),
-         E = M.global_end(); I != E; ++I)
-    printModuleLevelGV(I);
-
-  O << '\n';
-
-  return AsmPrinter::doFinalization(M);
-}





More information about the llvm-commits mailing list