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Diffstat (limited to 'lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp')
-rw-r--r--lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp273
1 files changed, 62 insertions, 211 deletions
diff --git a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
index b89c2b4..ac901d0 100644
--- a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
@@ -31,13 +31,13 @@
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetOptions.h"
@@ -47,14 +47,11 @@
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
-#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/ADT/SmallString.h"
using namespace llvm;
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
namespace {
class PPCAsmPrinter : public AsmPrinter {
protected:
@@ -63,8 +60,9 @@ namespace {
uint64_t LabelID;
public:
explicit PPCAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
- const MCAsmInfo *T, bool V)
- : AsmPrinter(O, TM, T, V),
+ MCContext &Ctx, MCStreamer &Streamer,
+ const MCAsmInfo *T)
+ : AsmPrinter(O, TM, Ctx, Streamer, T),
Subtarget(TM.getSubtarget<PPCSubtarget>()), LabelID(0) {}
virtual const char *getPassName() const {
@@ -98,7 +96,7 @@ namespace {
static const char *getRegisterName(unsigned RegNo);
- void printMachineInstruction(const MachineInstr *MI);
+ virtual void EmitInstruction(const MachineInstr *MI);
void printOp(const MachineOperand &MO);
/// stripRegisterPrefix - This method strips the character prefix from a
@@ -200,7 +198,7 @@ namespace {
if (GV->isDeclaration() || GV->isWeakForLinker()) {
// Dynamically-resolved functions need a stub for the function.
MCSymbol *Sym = GetSymbolWithGlobalValueBase(GV, "$stub");
- const MCSymbol *&StubSym =
+ MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym);
if (StubSym == 0)
StubSym = GetGlobalValueSymbol(GV);
@@ -213,8 +211,8 @@ namespace {
TempNameStr += StringRef(MO.getSymbolName());
TempNameStr += StringRef("$stub");
- const MCSymbol *Sym = GetExternalSymbolSymbol(TempNameStr.str());
- const MCSymbol *&StubSym =
+ MCSymbol *Sym = GetExternalSymbolSymbol(TempNameStr.str());
+ MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getFnStubEntry(Sym);
if (StubSym == 0)
StubSym = GetExternalSymbolSymbol(MO.getSymbolName());
@@ -319,24 +317,24 @@ namespace {
void printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
const char *Modifier);
-
- virtual bool runOnMachineFunction(MachineFunction &F) = 0;
};
/// PPCLinuxAsmPrinter - PowerPC assembly printer, customized for Linux
class PPCLinuxAsmPrinter : public PPCAsmPrinter {
public:
explicit PPCLinuxAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
- const MCAsmInfo *T, bool V)
- : PPCAsmPrinter(O, TM, T, V){}
+ MCContext &Ctx, MCStreamer &Streamer,
+ const MCAsmInfo *T)
+ : PPCAsmPrinter(O, TM, Ctx, Streamer, T) {}
virtual const char *getPassName() const {
return "Linux PPC Assembly Printer";
}
- bool runOnMachineFunction(MachineFunction &F);
bool doFinalization(Module &M);
+ virtual void EmitFunctionEntryLabel();
+
void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequired<MachineModuleInfo>();
@@ -351,14 +349,14 @@ namespace {
formatted_raw_ostream &OS;
public:
explicit PPCDarwinAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
- const MCAsmInfo *T, bool V)
- : PPCAsmPrinter(O, TM, T, V), OS(O) {}
+ MCContext &Ctx, MCStreamer &Streamer,
+ const MCAsmInfo *T)
+ : PPCAsmPrinter(O, TM, Ctx, Streamer, T), OS(O) {}
virtual const char *getPassName() const {
return "Darwin PPC Assembly Printer";
}
- bool runOnMachineFunction(MachineFunction &F);
bool doFinalization(Module &M);
void EmitStartOfAsmFile(Module &M);
@@ -382,7 +380,7 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
llvm_unreachable("printOp() does not handle immediate values");
case MachineOperand::MO_MachineBasicBlock:
- O << *GetMBBSymbol(MO.getMBB()->getNumber());
+ O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_JumpTableIndex:
O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
@@ -403,10 +401,10 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
return;
}
- const MCSymbol *NLPSym =
+ MCSymbol *NLPSym =
OutContext.GetOrCreateSymbol(StringRef(MAI->getGlobalPrefix())+
MO.getSymbolName()+"$non_lazy_ptr");
- const MCSymbol *&StubSym =
+ MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getGVStubEntry(NLPSym);
if (StubSym == 0)
StubSym = GetExternalSymbolSymbol(MO.getSymbolName());
@@ -424,7 +422,7 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
(GV->isDeclaration() || GV->isWeakForLinker())) {
if (!GV->hasHiddenVisibility()) {
SymToPrint = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
- const MCSymbol *&StubSym =
+ MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().getGVStubEntry(SymToPrint);
if (StubSym == 0)
StubSym = GetGlobalValueSymbol(GV);
@@ -432,7 +430,7 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
GV->hasAvailableExternallyLinkage()) {
SymToPrint = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr");
- const MCSymbol *&StubSym =
+ MCSymbol *&StubSym =
MMI->getObjFileInfo<MachineModuleInfoMachO>().
getHiddenGVStubEntry(SymToPrint);
if (StubSym == 0)
@@ -535,20 +533,16 @@ void PPCAsmPrinter::printPredicateOperand(const MachineInstr *MI, unsigned OpNo,
}
-/// printMachineInstruction -- Print out a single PowerPC MI in Darwin syntax to
+/// EmitInstruction -- Print out a single PowerPC MI in Darwin syntax to
/// the current output stream.
///
-void PPCAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
- ++EmittedInsts;
-
- processDebugLoc(MI, true);
-
+void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
// Check for slwi/srwi mnemonics.
- bool useSubstituteMnemonic = false;
if (MI->getOpcode() == PPC::RLWINM) {
unsigned char SH = MI->getOperand(2).getImm();
unsigned char MB = MI->getOperand(3).getImm();
unsigned char ME = MI->getOperand(4).getImm();
+ bool useSubstituteMnemonic = false;
if (SH <= 31 && MB == 0 && ME == (31-SH)) {
O << "\tslwi "; useSubstituteMnemonic = true;
}
@@ -561,122 +555,55 @@ void PPCAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
O << ", ";
printOperand(MI, 1);
O << ", " << (unsigned int)SH;
+ OutStreamer.AddBlankLine();
+ return;
}
- } else if (MI->getOpcode() == PPC::OR || MI->getOpcode() == PPC::OR8) {
- if (MI->getOperand(1).getReg() == MI->getOperand(2).getReg()) {
- useSubstituteMnemonic = true;
- O << "\tmr ";
- printOperand(MI, 0);
- O << ", ";
- printOperand(MI, 1);
- }
- } else if (MI->getOpcode() == PPC::RLDICR) {
+ }
+
+ if ((MI->getOpcode() == PPC::OR || MI->getOpcode() == PPC::OR8) &&
+ MI->getOperand(1).getReg() == MI->getOperand(2).getReg()) {
+ O << "\tmr ";
+ printOperand(MI, 0);
+ O << ", ";
+ printOperand(MI, 1);
+ OutStreamer.AddBlankLine();
+ return;
+ }
+
+ if (MI->getOpcode() == PPC::RLDICR) {
unsigned char SH = MI->getOperand(2).getImm();
unsigned char ME = MI->getOperand(3).getImm();
// rldicr RA, RS, SH, 63-SH == sldi RA, RS, SH
if (63-SH == ME) {
- useSubstituteMnemonic = true;
O << "\tsldi ";
printOperand(MI, 0);
O << ", ";
printOperand(MI, 1);
O << ", " << (unsigned int)SH;
+ OutStreamer.AddBlankLine();
+ return;
}
}
- if (!useSubstituteMnemonic)
- printInstruction(MI);
-
- if (VerboseAsm)
- EmitComments(*MI);
- O << '\n';
-
- processDebugLoc(MI, false);
+ printInstruction(MI);
+ OutStreamer.AddBlankLine();
}
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool PPCLinuxAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- this->MF = &MF;
-
- SetupMachineFunction(MF);
- O << "\n\n";
-
- // Print out constants referenced by the function
- EmitConstantPool(MF.getConstantPool());
-
- // Print out labels for the function.
- const Function *F = MF.getFunction();
- OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
-
- switch (F->getLinkage()) {
- default: llvm_unreachable("Unknown linkage type!");
- case Function::PrivateLinkage:
- case Function::InternalLinkage: // Symbols default to internal.
- break;
- case Function::ExternalLinkage:
- O << "\t.global\t" << *CurrentFnSym << '\n' << "\t.type\t";
- O << *CurrentFnSym << ", @function\n";
- break;
- case Function::LinkerPrivateLinkage:
- case Function::WeakAnyLinkage:
- case Function::WeakODRLinkage:
- case Function::LinkOnceAnyLinkage:
- case Function::LinkOnceODRLinkage:
- O << "\t.global\t" << *CurrentFnSym << '\n';
- O << "\t.weak\t" << *CurrentFnSym << '\n';
- break;
- }
-
- printVisibility(CurrentFnSym, F->getVisibility());
-
- EmitAlignment(MF.getAlignment(), F);
-
- if (Subtarget.isPPC64()) {
- // Emit an official procedure descriptor.
- // FIXME 64-bit SVR4: Use MCSection here!
- O << "\t.section\t\".opd\",\"aw\"\n";
- O << "\t.align 3\n";
- O << *CurrentFnSym << ":\n";
- O << "\t.quad .L." << *CurrentFnSym << ",.TOC.@tocbase\n";
- O << "\t.previous\n";
- O << ".L." << *CurrentFnSym << ":\n";
- } else {
- O << *CurrentFnSym << ":\n";
- }
-
- // Emit pre-function debug information.
- DW->BeginFunction(&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()) {
- EmitBasicBlockStart(I);
- }
- for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
- II != E; ++II) {
- // Print the assembly for the instruction.
- printMachineInstruction(II);
- }
- }
-
- O << "\t.size\t" << *CurrentFnSym << ",.-" << *CurrentFnSym << '\n';
-
- OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
-
- // Emit post-function debug information.
- DW->EndFunction(&MF);
-
- // Print out jump tables referenced by the function.
- EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
-
- // We didn't modify anything.
- return false;
+void PPCLinuxAsmPrinter::EmitFunctionEntryLabel() {
+ if (!Subtarget.isPPC64()) // linux/ppc32 - Normal entry label.
+ return AsmPrinter::EmitFunctionEntryLabel();
+
+ // Emit an official procedure descriptor.
+ // FIXME 64-bit SVR4: Use MCSection here!
+ O << "\t.section\t\".opd\",\"aw\"\n";
+ O << "\t.align 3\n";
+ OutStreamer.EmitLabel(CurrentFnSym);
+ O << "\t.quad .L." << *CurrentFnSym << ",.TOC.@tocbase\n";
+ O << "\t.previous\n";
+ O << ".L." << *CurrentFnSym << ":\n";
}
+
bool PPCLinuxAsmPrinter::doFinalization(Module &M) {
const TargetData *TD = TM.getTargetData();
@@ -697,81 +624,6 @@ bool PPCLinuxAsmPrinter::doFinalization(Module &M) {
return AsmPrinter::doFinalization(M);
}
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool PPCDarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- this->MF = &MF;
-
- SetupMachineFunction(MF);
- O << "\n\n";
-
- // Print out constants referenced by the function
- EmitConstantPool(MF.getConstantPool());
-
- // Print out labels for the function.
- const Function *F = MF.getFunction();
- OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
-
- switch (F->getLinkage()) {
- default: llvm_unreachable("Unknown linkage type!");
- case Function::PrivateLinkage:
- case Function::InternalLinkage: // Symbols default to internal.
- break;
- case Function::ExternalLinkage:
- O << "\t.globl\t" << *CurrentFnSym << '\n';
- break;
- case Function::WeakAnyLinkage:
- case Function::WeakODRLinkage:
- case Function::LinkOnceAnyLinkage:
- case Function::LinkOnceODRLinkage:
- case Function::LinkerPrivateLinkage:
- O << "\t.globl\t" << *CurrentFnSym << '\n';
- O << "\t.weak_definition\t" << *CurrentFnSym << '\n';
- break;
- }
-
- printVisibility(CurrentFnSym, F->getVisibility());
-
- EmitAlignment(MF.getAlignment(), F);
- O << *CurrentFnSym << ":\n";
-
- // Emit pre-function debug information.
- DW->BeginFunction(&MF);
-
- // If the function is empty, then we need to emit *something*. Otherwise, the
- // function's label might be associated with something that it wasn't meant to
- // be associated with. We emit a noop in this situation.
- MachineFunction::iterator I = MF.begin();
-
- if (++I == MF.end() && MF.front().empty())
- O << "\tnop\n";
-
- // 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()) {
- EmitBasicBlockStart(I);
- }
- for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
- II != IE; ++II) {
- // Print the assembly for the instruction.
- printMachineInstruction(II);
- }
- }
-
- // Emit post-function debug information.
- DW->EndFunction(&MF);
-
- // Print out jump tables referenced by the function.
- EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
-
- // We didn't modify anything.
- return false;
-}
-
-
void PPCDarwinAsmPrinter::EmitStartOfAsmFile(Module &M) {
static const char *const CPUDirectives[] = {
"",
@@ -928,9 +780,8 @@ bool PPCDarwinAsmPrinter::doFinalization(Module &M) {
for (std::vector<Function *>::const_iterator I = Personalities.begin(),
E = Personalities.end(); I != E; ++I) {
if (*I) {
- const MCSymbol *NLPSym =
- GetSymbolWithGlobalValueBase(*I, "$non_lazy_ptr");
- const MCSymbol *&StubSym = MMIMacho.getGVStubEntry(NLPSym);
+ MCSymbol *NLPSym = GetSymbolWithGlobalValueBase(*I, "$non_lazy_ptr");
+ MCSymbol *&StubSym = MMIMacho.getGVStubEntry(NLPSym);
StubSym = GetGlobalValueSymbol(*I);
}
}
@@ -981,13 +832,13 @@ bool PPCDarwinAsmPrinter::doFinalization(Module &M) {
///
static AsmPrinter *createPPCAsmPrinterPass(formatted_raw_ostream &o,
TargetMachine &tm,
- const MCAsmInfo *tai,
- bool verbose) {
+ MCContext &Ctx, MCStreamer &Streamer,
+ const MCAsmInfo *tai) {
const PPCSubtarget *Subtarget = &tm.getSubtarget<PPCSubtarget>();
if (Subtarget->isDarwin())
- return new PPCDarwinAsmPrinter(o, tm, tai, verbose);
- return new PPCLinuxAsmPrinter(o, tm, tai, verbose);
+ return new PPCDarwinAsmPrinter(o, tm, Ctx, Streamer, tai);
+ return new PPCLinuxAsmPrinter(o, tm, Ctx, Streamer, tai);
}
// Force static initialization.
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