[llvm-commits] [llvm] r54886 - in /llvm/trunk: lib/Target/X86/ lib/Target/X86/AsmPrinter/ tools/lli/ tools/llvm-config/
Anton Korobeynikov
asl at math.spbu.ru
Sun Aug 17 06:54:00 PDT 2008
Author: asl
Date: Sun Aug 17 08:53:59 2008
New Revision: 54886
URL: http://llvm.org/viewvc/llvm-project?rev=54886&view=rev
Log:
Move X86 assembler printers into separate directory. This allows JIT-only users not to link it in (use 'x86codegen' llvm-config arg for this)
Added:
llvm/trunk/lib/Target/X86/AsmPrinter/
llvm/trunk/lib/Target/X86/AsmPrinter/Makefile
- copied, changed from r54885, llvm/trunk/tools/lli/Makefile
llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
- copied, changed from r54885, llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.cpp
llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
- copied, changed from r54885, llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.h
llvm/trunk/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
- copied, changed from r54885, llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp
llvm/trunk/lib/Target/X86/AsmPrinter/X86AsmPrinter.h
- copied, changed from r54885, llvm/trunk/lib/Target/X86/X86AsmPrinter.h
llvm/trunk/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
- copied, changed from r54885, llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.cpp
llvm/trunk/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h
- copied, changed from r54885, llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.h
Removed:
llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.cpp
llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.h
llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp
llvm/trunk/lib/Target/X86/X86AsmPrinter.h
llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.cpp
llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.h
Modified:
llvm/trunk/lib/Target/X86/Makefile
llvm/trunk/lib/Target/X86/X86TargetMachine.cpp
llvm/trunk/lib/Target/X86/X86TargetMachine.h
llvm/trunk/tools/lli/Makefile
llvm/trunk/tools/llvm-config/llvm-config.in.in
Copied: llvm/trunk/lib/Target/X86/AsmPrinter/Makefile (from r54885, llvm/trunk/tools/lli/Makefile)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmPrinter/Makefile?p2=llvm/trunk/lib/Target/X86/AsmPrinter/Makefile&p1=llvm/trunk/tools/lli/Makefile&r1=54885&r2=54886&rev=54886&view=diff
==============================================================================
--- llvm/trunk/tools/lli/Makefile (original)
+++ llvm/trunk/lib/Target/X86/AsmPrinter/Makefile Sun Aug 17 08:53:59 2008
@@ -1,4 +1,4 @@
-##===- tools/lli/Makefile ------------------------------*- Makefile -*-===##
+##===- lib/Target/X86/Makefile -----------------------------*- Makefile -*-===##
#
# The LLVM Compiler Infrastructure
#
@@ -6,10 +6,10 @@
# License. See LICENSE.TXT for details.
#
##===----------------------------------------------------------------------===##
+LEVEL = ../../../..
+LIBRARYNAME = LLVMX86AsmPrinter
-LEVEL := ../..
-TOOLNAME := lli
-LINK_COMPONENTS := jit interpreter native bitreader selectiondag
+# Hack: we need to include 'main' x86 target directory to grab private headers
+CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
-# Enable JIT support
include $(LEVEL)/Makefile.common
Copied: llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp (from r54885, llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.cpp)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp?p2=llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp&p1=llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.cpp&r1=54885&r2=54886&rev=54886&view=diff
==============================================================================
(empty)
Copied: llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h (from r54885, llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.h)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h?p2=llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h&p1=llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.h&r1=54885&r2=54886&rev=54886&view=diff
==============================================================================
(empty)
Copied: llvm/trunk/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp (from r54885, llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp?p2=llvm/trunk/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp&p1=llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp&r1=54885&r2=54886&rev=54886&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp Sun Aug 17 08:53:59 2008
@@ -33,3 +33,11 @@
return new X86ATTAsmPrinter(o, tm, tm.getTargetAsmInfo());
}
}
+
+namespace {
+ static struct Register {
+ Register() {
+ X86TargetMachine::registerAsmPrinter(createX86CodePrinterPass);
+ }
+ } Registrator;
+}
Copied: llvm/trunk/lib/Target/X86/AsmPrinter/X86AsmPrinter.h (from r54885, llvm/trunk/lib/Target/X86/X86AsmPrinter.h)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmPrinter/X86AsmPrinter.h?p2=llvm/trunk/lib/Target/X86/AsmPrinter/X86AsmPrinter.h&p1=llvm/trunk/lib/Target/X86/X86AsmPrinter.h&r1=54885&r2=54886&rev=54886&view=diff
==============================================================================
(empty)
Copied: llvm/trunk/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp (from r54885, llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.cpp)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp?p2=llvm/trunk/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp&p1=llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.cpp&r1=54885&r2=54886&rev=54886&view=diff
==============================================================================
(empty)
Copied: llvm/trunk/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h (from r54885, llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.h)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h?p2=llvm/trunk/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h&p1=llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.h&r1=54885&r2=54886&rev=54886&view=diff
==============================================================================
(empty)
Modified: llvm/trunk/lib/Target/X86/Makefile
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/Makefile?rev=54886&r1=54885&r2=54886&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/Makefile (original)
+++ llvm/trunk/lib/Target/X86/Makefile Sun Aug 17 08:53:59 2008
@@ -7,7 +7,7 @@
#
##===----------------------------------------------------------------------===##
LEVEL = ../../..
-LIBRARYNAME = LLVMX86
+LIBRARYNAME = LLVMX86CodeGen
TARGET = X86
# Make sure that tblgen is run, first thing.
@@ -18,4 +18,6 @@
X86GenFastISel.inc \
X86GenCallingConv.inc X86GenSubtarget.inc
+DIRS = AsmPrinter
+
include $(LEVEL)/Makefile.common
Removed: llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.cpp?rev=54885&view=auto
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.cpp (removed)
@@ -1,985 +0,0 @@
-//===-- X86ATTAsmPrinter.cpp - Convert X86 LLVM code to AT&T assembly -----===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains a printer that converts from our internal representation
-// of machine-dependent LLVM code to AT&T format assembly
-// language. This printer is the output mechanism used by `llc'.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "asm-printer"
-#include "X86ATTAsmPrinter.h"
-#include "X86.h"
-#include "X86COFF.h"
-#include "X86MachineFunctionInfo.h"
-#include "X86TargetMachine.h"
-#include "X86TargetAsmInfo.h"
-#include "llvm/CallingConv.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/CodeGen/MachineJumpTableInfo.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetOptions.h"
-using namespace llvm;
-
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
-static std::string getPICLabelString(unsigned FnNum,
- const TargetAsmInfo *TAI,
- const X86Subtarget* Subtarget) {
- std::string label;
- if (Subtarget->isTargetDarwin())
- label = "\"L" + utostr_32(FnNum) + "$pb\"";
- else if (Subtarget->isTargetELF())
- label = ".Lllvm$" + utostr_32(FnNum) + "." "$piclabel";
- else
- assert(0 && "Don't know how to print PIC label!\n");
-
- return label;
-}
-
-static X86MachineFunctionInfo calculateFunctionInfo(const Function *F,
- const TargetData *TD) {
- X86MachineFunctionInfo Info;
- uint64_t Size = 0;
-
- switch (F->getCallingConv()) {
- case CallingConv::X86_StdCall:
- Info.setDecorationStyle(StdCall);
- break;
- case CallingConv::X86_FastCall:
- Info.setDecorationStyle(FastCall);
- break;
- default:
- return Info;
- }
-
- unsigned argNum = 1;
- for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
- AI != AE; ++AI, ++argNum) {
- const Type* Ty = AI->getType();
-
- // 'Dereference' type in case of byval parameter attribute
- if (F->paramHasAttr(argNum, ParamAttr::ByVal))
- Ty = cast<PointerType>(Ty)->getElementType();
-
- // Size should be aligned to DWORD boundary
- Size += ((TD->getABITypeSize(Ty) + 3)/4)*4;
- }
-
- // We're not supporting tooooo huge arguments :)
- Info.setBytesToPopOnReturn((unsigned int)Size);
- return Info;
-}
-
-/// PrintUnmangledNameSafely - Print out the printable characters in the name.
-/// Don't print things like \n or \0.
-static void PrintUnmangledNameSafely(const Value *V, std::ostream &OS) {
- for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
- Name != E; ++Name)
- if (isprint(*Name))
- OS << *Name;
-}
-
-/// decorateName - Query FunctionInfoMap and use this information for various
-/// name decoration.
-void X86ATTAsmPrinter::decorateName(std::string &Name,
- const GlobalValue *GV) {
- const Function *F = dyn_cast<Function>(GV);
- if (!F) return;
-
- // We don't want to decorate non-stdcall or non-fastcall functions right now
- unsigned CC = F->getCallingConv();
- if (CC != CallingConv::X86_StdCall && CC != CallingConv::X86_FastCall)
- return;
-
- // Decorate names only when we're targeting Cygwin/Mingw32 targets
- if (!Subtarget->isTargetCygMing())
- return;
-
- FMFInfoMap::const_iterator info_item = FunctionInfoMap.find(F);
-
- const X86MachineFunctionInfo *Info;
- if (info_item == FunctionInfoMap.end()) {
- // Calculate apropriate function info and populate map
- FunctionInfoMap[F] = calculateFunctionInfo(F, TM.getTargetData());
- Info = &FunctionInfoMap[F];
- } else {
- Info = &info_item->second;
- }
-
- const FunctionType *FT = F->getFunctionType();
- switch (Info->getDecorationStyle()) {
- case None:
- break;
- case StdCall:
- // "Pure" variadic functions do not receive @0 suffix.
- if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
- (FT->getNumParams() == 1 && F->hasStructRetAttr()))
- Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
- break;
- case FastCall:
- // "Pure" variadic functions do not receive @0 suffix.
- if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
- (FT->getNumParams() == 1 && F->hasStructRetAttr()))
- Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
-
- if (Name[0] == '_') {
- Name[0] = '@';
- } else {
- Name = '@' + Name;
- }
- break;
- default:
- assert(0 && "Unsupported DecorationStyle");
- }
-}
-
-// Substitute old hook with new one temporary
-std::string X86ATTAsmPrinter::getSectionForFunction(const Function &F) const {
- return TAI->SectionForGlobal(&F);
-}
-
-void X86ATTAsmPrinter::emitFunctionHeader(const MachineFunction &MF) {
- const Function *F = MF.getFunction();
- std::string SectionName = TAI->SectionForGlobal(F);
-
- decorateName(CurrentFnName, F);
-
- SwitchToTextSection(SectionName.c_str());
-
- unsigned FnAlign = OptimizeForSize ? 1 : 4;
- switch (F->getLinkage()) {
- default: assert(0 && "Unknown linkage type!");
- case Function::InternalLinkage: // Symbols default to internal.
- EmitAlignment(FnAlign, F);
- break;
- case Function::DLLExportLinkage:
- case Function::ExternalLinkage:
- EmitAlignment(FnAlign, F);
- O << "\t.globl\t" << CurrentFnName << '\n';
- break;
- case Function::LinkOnceLinkage:
- case Function::WeakLinkage:
- EmitAlignment(FnAlign, F);
- if (Subtarget->isTargetDarwin()) {
- O << "\t.globl\t" << CurrentFnName << '\n';
- O << TAI->getWeakDefDirective() << CurrentFnName << '\n';
- } else if (Subtarget->isTargetCygMing()) {
- O << "\t.globl\t" << CurrentFnName << "\n"
- "\t.linkonce discard\n";
- } else {
- O << "\t.weak\t" << CurrentFnName << '\n';
- }
- break;
- }
-
- printVisibility(CurrentFnName, F->getVisibility());
-
- if (Subtarget->isTargetELF())
- O << "\t.type\t" << CurrentFnName << ", at function\n";
- else if (Subtarget->isTargetCygMing()) {
- O << "\t.def\t " << CurrentFnName
- << ";\t.scl\t" <<
- (F->getLinkage() == Function::InternalLinkage ? COFF::C_STAT : COFF::C_EXT)
- << ";\t.type\t" << (COFF::DT_FCN << COFF::N_BTSHFT)
- << ";\t.endef\n";
- }
-
- O << CurrentFnName << ":\n";
- // Add some workaround for linkonce linkage on Cygwin\MinGW
- if (Subtarget->isTargetCygMing() &&
- (F->getLinkage() == Function::LinkOnceLinkage ||
- F->getLinkage() == Function::WeakLinkage))
- O << "Lllvm$workaround$fake$stub$" << CurrentFnName << ":\n";
-}
-
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- const Function *F = MF.getFunction();
- unsigned CC = F->getCallingConv();
-
- SetupMachineFunction(MF);
- O << "\n\n";
-
- // Populate function information map. Actually, We don't want to populate
- // non-stdcall or non-fastcall functions' information right now.
- if (CC == CallingConv::X86_StdCall || CC == CallingConv::X86_FastCall)
- FunctionInfoMap[F] = *MF.getInfo<X86MachineFunctionInfo>();
-
- // Print out constants referenced by the function
- EmitConstantPool(MF.getConstantPool());
-
- if (F->hasDLLExportLinkage())
- DLLExportedFns.insert(Mang->makeNameProper(F->getName(), ""));
-
- // Print the 'header' of function
- emitFunctionHeader(MF);
-
- // Emit pre-function debug and/or EH information.
- if (TAI->doesSupportDebugInformation() || TAI->doesSupportExceptionHandling())
- DW.BeginFunction(&MF);
-
- // Print out code for the function.
- bool hasAnyRealCode = false;
- for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
- I != E; ++I) {
- // Print a label for the basic block.
- if (!I->pred_empty()) {
- printBasicBlockLabel(I, true, true);
- O << '\n';
- }
- for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
- II != IE; ++II) {
- // Print the assembly for the instruction.
- if (!II->isLabel())
- hasAnyRealCode = true;
- printMachineInstruction(II);
- }
- }
-
- if (Subtarget->isTargetDarwin() && !hasAnyRealCode) {
- // 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.
- // We are assuming inline asms are code.
- O << "\tnop\n";
- }
-
- if (TAI->hasDotTypeDotSizeDirective())
- O << "\t.size\t" << CurrentFnName << ", .-" << CurrentFnName << '\n';
-
- // Emit post-function debug information.
- if (TAI->doesSupportDebugInformation())
- DW.EndFunction();
-
- // Print out jump tables referenced by the function.
- EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
-
- // We didn't modify anything.
- return false;
-}
-
-static inline bool shouldPrintGOT(TargetMachine &TM, const X86Subtarget* ST) {
- return ST->isPICStyleGOT() && TM.getRelocationModel() == Reloc::PIC_;
-}
-
-static inline bool shouldPrintPLT(TargetMachine &TM, const X86Subtarget* ST) {
- return ST->isTargetELF() && TM.getRelocationModel() == Reloc::PIC_ &&
- (ST->isPICStyleRIPRel() || ST->isPICStyleGOT());
-}
-
-static inline bool shouldPrintStub(TargetMachine &TM, const X86Subtarget* ST) {
- return ST->isPICStyleStub() && TM.getRelocationModel() != Reloc::Static;
-}
-
-void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
- const char *Modifier, bool NotRIPRel) {
- const MachineOperand &MO = MI->getOperand(OpNo);
- switch (MO.getType()) {
- case MachineOperand::MO_Register: {
- assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
- "Virtual registers should not make it this far!");
- O << '%';
- unsigned Reg = MO.getReg();
- if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
- MVT VT = (strcmp(Modifier+6,"64") == 0) ?
- MVT::i64 : ((strcmp(Modifier+6, "32") == 0) ? MVT::i32 :
- ((strcmp(Modifier+6,"16") == 0) ? MVT::i16 : MVT::i8));
- Reg = getX86SubSuperRegister(Reg, VT);
- }
- O << TRI->getAsmName(Reg);
- return;
- }
-
- case MachineOperand::MO_Immediate:
- if (!Modifier ||
- (strcmp(Modifier, "debug") && strcmp(Modifier, "mem")))
- O << '$';
- O << MO.getImm();
- return;
- case MachineOperand::MO_MachineBasicBlock:
- printBasicBlockLabel(MO.getMBB());
- return;
- case MachineOperand::MO_JumpTableIndex: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- if (!isMemOp) O << '$';
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() << '_'
- << MO.getIndex();
-
- if (TM.getRelocationModel() == Reloc::PIC_) {
- if (Subtarget->isPICStyleStub())
- O << "-\"" << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
- << "$pb\"";
- else if (Subtarget->isPICStyleGOT())
- O << "@GOTOFF";
- }
-
- if (isMemOp && Subtarget->isPICStyleRIPRel() && !NotRIPRel)
- O << "(%rip)";
- return;
- }
- case MachineOperand::MO_ConstantPoolIndex: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- if (!isMemOp) O << '$';
- O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
- << MO.getIndex();
-
- if (TM.getRelocationModel() == Reloc::PIC_) {
- if (Subtarget->isPICStyleStub())
- O << "-\"" << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
- << "$pb\"";
- else if (Subtarget->isPICStyleGOT())
- O << "@GOTOFF";
- }
-
- int Offset = MO.getOffset();
- if (Offset > 0)
- O << '+' << Offset;
- else if (Offset < 0)
- O << Offset;
-
- if (isMemOp && Subtarget->isPICStyleRIPRel() && !NotRIPRel)
- O << "(%rip)";
- return;
- }
- case MachineOperand::MO_GlobalAddress: {
- bool isCallOp = Modifier && !strcmp(Modifier, "call");
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- bool needCloseParen = false;
-
- const GlobalValue *GV = MO.getGlobal();
- const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV);
- if (!GVar) {
- // If GV is an alias then use the aliasee for determining
- // thread-localness.
- if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV))
- GVar = dyn_cast_or_null<GlobalVariable>(GA->resolveAliasedGlobal());
- }
-
- bool isThreadLocal = GVar && GVar->isThreadLocal();
-
- std::string Name = Mang->getValueName(GV);
- decorateName(Name, GV);
-
- if (!isMemOp && !isCallOp)
- O << '$';
- else if (Name[0] == '$') {
- // The name begins with a dollar-sign. In order to avoid having it look
- // like an integer immediate to the assembler, enclose it in parens.
- O << '(';
- needCloseParen = true;
- }
-
- if (shouldPrintStub(TM, Subtarget)) {
- // Link-once, declaration, or Weakly-linked global variables need
- // non-lazily-resolved stubs
- if (GV->isDeclaration() || GV->isWeakForLinker()) {
- // Dynamically-resolved functions need a stub for the function.
- if (isCallOp && isa<Function>(GV)) {
- FnStubs.insert(Name);
- printSuffixedName(Name, "$stub");
- } else {
- GVStubs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
- }
- } else {
- if (GV->hasDLLImportLinkage())
- O << "__imp_";
- O << Name;
- }
-
- if (!isCallOp && TM.getRelocationModel() == Reloc::PIC_)
- O << '-' << getPICLabelString(getFunctionNumber(), TAI, Subtarget);
- } else {
- if (GV->hasDLLImportLinkage()) {
- O << "__imp_";
- }
- O << Name;
-
- if (isCallOp) {
- if (shouldPrintPLT(TM, Subtarget)) {
- // Assemble call via PLT for externally visible symbols
- if (!GV->hasHiddenVisibility() && !GV->hasProtectedVisibility() &&
- !GV->hasInternalLinkage())
- O << "@PLT";
- }
- if (Subtarget->isTargetCygMing() && GV->isDeclaration())
- // Save function name for later type emission
- FnStubs.insert(Name);
- }
- }
-
- if (GV->hasExternalWeakLinkage())
- ExtWeakSymbols.insert(GV);
-
- int Offset = MO.getOffset();
- if (Offset > 0)
- O << '+' << Offset;
- else if (Offset < 0)
- O << Offset;
-
- if (isThreadLocal) {
- if (TM.getRelocationModel() == Reloc::PIC_ || Subtarget->is64Bit())
- O << "@TLSGD"; // general dynamic TLS model
- else
- if (GV->isDeclaration())
- O << "@INDNTPOFF"; // initial exec TLS model
- else
- O << "@NTPOFF"; // local exec TLS model
- } else if (isMemOp) {
- if (shouldPrintGOT(TM, Subtarget)) {
- if (Subtarget->GVRequiresExtraLoad(GV, TM, false))
- O << "@GOT";
- else
- O << "@GOTOFF";
- } else if (Subtarget->isPICStyleRIPRel() && !NotRIPRel &&
- TM.getRelocationModel() != Reloc::Static) {
- if (Subtarget->GVRequiresExtraLoad(GV, TM, false))
- O << "@GOTPCREL";
-
- if (needCloseParen) {
- needCloseParen = false;
- O << ')';
- }
-
- // Use rip when possible to reduce code size, except when
- // index or base register are also part of the address. e.g.
- // foo(%rip)(%rcx,%rax,4) is not legal
- O << "(%rip)";
- }
- }
-
- if (needCloseParen)
- O << ')';
-
- return;
- }
- case MachineOperand::MO_ExternalSymbol: {
- bool isCallOp = Modifier && !strcmp(Modifier, "call");
- bool needCloseParen = false;
- std::string Name(TAI->getGlobalPrefix());
- Name += MO.getSymbolName();
- if (isCallOp && shouldPrintStub(TM, Subtarget)) {
- FnStubs.insert(Name);
- printSuffixedName(Name, "$stub");
- return;
- }
- if (!isCallOp)
- O << '$';
- else if (Name[0] == '$') {
- // The name begins with a dollar-sign. In order to avoid having it look
- // like an integer immediate to the assembler, enclose it in parens.
- O << '(';
- needCloseParen = true;
- }
-
- O << Name;
-
- if (shouldPrintPLT(TM, Subtarget)) {
- std::string GOTName(TAI->getGlobalPrefix());
- GOTName+="_GLOBAL_OFFSET_TABLE_";
- if (Name == GOTName)
- // HACK! Emit extra offset to PC during printing GOT offset to
- // compensate for the size of popl instruction. The resulting code
- // should look like:
- // call .piclabel
- // piclabel:
- // popl %some_register
- // addl $_GLOBAL_ADDRESS_TABLE_ + [.-piclabel], %some_register
- O << " + [.-"
- << getPICLabelString(getFunctionNumber(), TAI, Subtarget) << ']';
-
- if (isCallOp)
- O << "@PLT";
- }
-
- if (needCloseParen)
- O << ')';
-
- if (!isCallOp && Subtarget->isPICStyleRIPRel())
- O << "(%rip)";
-
- return;
- }
- default:
- O << "<unknown operand type>"; return;
- }
-}
-
-void X86ATTAsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op) {
- unsigned char value = MI->getOperand(Op).getImm();
- assert(value <= 7 && "Invalid ssecc argument!");
- switch (value) {
- case 0: O << "eq"; break;
- case 1: O << "lt"; break;
- case 2: O << "le"; break;
- case 3: O << "unord"; break;
- case 4: O << "neq"; break;
- case 5: O << "nlt"; break;
- case 6: O << "nle"; break;
- case 7: O << "ord"; break;
- }
-}
-
-void X86ATTAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
- const char *Modifier){
- assert(isMem(MI, Op) && "Invalid memory reference!");
- MachineOperand BaseReg = MI->getOperand(Op);
- MachineOperand IndexReg = MI->getOperand(Op+2);
- const MachineOperand &DispSpec = MI->getOperand(Op+3);
-
- bool NotRIPRel = IndexReg.getReg() || BaseReg.getReg();
- if (DispSpec.isGlobalAddress() ||
- DispSpec.isConstantPoolIndex() ||
- DispSpec.isJumpTableIndex()) {
- printOperand(MI, Op+3, "mem", NotRIPRel);
- } else {
- int DispVal = DispSpec.getImm();
- if (DispVal || (!IndexReg.getReg() && !BaseReg.getReg()))
- O << DispVal;
- }
-
- if (IndexReg.getReg() || BaseReg.getReg()) {
- unsigned ScaleVal = MI->getOperand(Op+1).getImm();
- unsigned BaseRegOperand = 0, IndexRegOperand = 2;
-
- // There are cases where we can end up with ESP/RSP in the indexreg slot.
- // If this happens, swap the base/index register to support assemblers that
- // don't work when the index is *SP.
- if (IndexReg.getReg() == X86::ESP || IndexReg.getReg() == X86::RSP) {
- assert(ScaleVal == 1 && "Scale not supported for stack pointer!");
- std::swap(BaseReg, IndexReg);
- std::swap(BaseRegOperand, IndexRegOperand);
- }
-
- O << '(';
- if (BaseReg.getReg())
- printOperand(MI, Op+BaseRegOperand, Modifier);
-
- if (IndexReg.getReg()) {
- O << ',';
- printOperand(MI, Op+IndexRegOperand, Modifier);
- if (ScaleVal != 1)
- O << ',' << ScaleVal;
- }
- O << ')';
- }
-}
-
-void X86ATTAsmPrinter::printPICJumpTableSetLabel(unsigned uid,
- const MachineBasicBlock *MBB) const {
- if (!TAI->getSetDirective())
- return;
-
- // We don't need .set machinery if we have GOT-style relocations
- if (Subtarget->isPICStyleGOT())
- return;
-
- O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
- << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false, false);
- if (Subtarget->isPICStyleRIPRel())
- O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
- << '_' << uid << '\n';
- else
- O << '-' << getPICLabelString(getFunctionNumber(), TAI, Subtarget) << '\n';
-}
-
-void X86ATTAsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op) {
- std::string label = getPICLabelString(getFunctionNumber(), TAI, Subtarget);
- O << label << '\n' << label << ':';
-}
-
-
-void X86ATTAsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
- const MachineBasicBlock *MBB,
- unsigned uid) const
-{
- const char *JTEntryDirective = MJTI->getEntrySize() == 4 ?
- TAI->getData32bitsDirective() : TAI->getData64bitsDirective();
-
- O << JTEntryDirective << ' ';
-
- if (TM.getRelocationModel() == Reloc::PIC_) {
- if (Subtarget->isPICStyleRIPRel() || Subtarget->isPICStyleStub()) {
- O << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
- << '_' << uid << "_set_" << MBB->getNumber();
- } else if (Subtarget->isPICStyleGOT()) {
- printBasicBlockLabel(MBB, false, false, false);
- O << "@GOTOFF";
- } else
- assert(0 && "Don't know how to print MBB label for this PIC mode");
- } else
- printBasicBlockLabel(MBB, false, false, false);
-}
-
-bool X86ATTAsmPrinter::printAsmMRegister(const MachineOperand &MO,
- const char Mode) {
- unsigned Reg = MO.getReg();
- switch (Mode) {
- default: return true; // Unknown mode.
- case 'b': // Print QImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i8);
- break;
- case 'h': // Print QImode high register
- Reg = getX86SubSuperRegister(Reg, MVT::i8, true);
- break;
- case 'w': // Print HImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i16);
- break;
- case 'k': // Print SImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i32);
- break;
- case 'q': // Print DImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i64);
- break;
- }
-
- O << '%'<< TRI->getAsmName(Reg);
- return false;
-}
-
-/// PrintAsmOperand - Print out an operand for an inline asm expression.
-///
-bool X86ATTAsmPrinter::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]) {
- if (ExtraCode[1] != 0) return true; // Unknown modifier.
-
- switch (ExtraCode[0]) {
- default: return true; // Unknown modifier.
- case 'c': // Don't print "$" before a global var name or constant.
- printOperand(MI, OpNo, "mem");
- return false;
- case 'b': // Print QImode register
- case 'h': // Print QImode high register
- case 'w': // Print HImode register
- case 'k': // Print SImode register
- case 'q': // Print DImode register
- if (MI->getOperand(OpNo).isRegister())
- return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]);
- printOperand(MI, OpNo);
- return false;
-
- case 'P': // Don't print @PLT, but do print as memory.
- printOperand(MI, OpNo, "mem");
- return false;
- }
- }
-
- printOperand(MI, OpNo);
- return false;
-}
-
-bool X86ATTAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
- unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode) {
- if (ExtraCode && ExtraCode[0]) {
- if (ExtraCode[1] != 0) return true; // Unknown modifier.
-
- switch (ExtraCode[0]) {
- default: return true; // Unknown modifier.
- case 'b': // Print QImode register
- case 'h': // Print QImode high register
- case 'w': // Print HImode register
- case 'k': // Print SImode register
- case 'q': // Print SImode register
- // These only apply to registers, ignore on mem.
- break;
- }
- }
- printMemReference(MI, OpNo);
- return false;
-}
-
-/// printMachineInstruction -- Print out a single X86 LLVM instruction
-/// MI in AT&T syntax to the current output stream.
-///
-void X86ATTAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
- ++EmittedInsts;
-
- // Call the autogenerated instruction printer routines.
- printInstruction(MI);
-}
-
-/// doInitialization
-bool X86ATTAsmPrinter::doInitialization(Module &M) {
- if (TAI->doesSupportDebugInformation()) {
- // Emit initial debug information.
- DW.BeginModule(&M);
- }
-
- bool Result = AsmPrinter::doInitialization(M);
-
- if (TAI->doesSupportDebugInformation()) {
- // Let PassManager know we need debug information and relay
- // the MachineModuleInfo address on to DwarfWriter.
- // AsmPrinter::doInitialization did this analysis.
- MMI = getAnalysisToUpdate<MachineModuleInfo>();
- DW.SetModuleInfo(MMI);
- }
-
- // Darwin wants symbols to be quoted if they have complex names.
- if (Subtarget->isTargetDarwin())
- Mang->setUseQuotes(true);
-
- return Result;
-}
-
-
-void X86ATTAsmPrinter::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)) {
- if (Subtarget->isTargetDarwin() &&
- TM.getRelocationModel() == Reloc::Static) {
- if (GVar->getName() == "llvm.global_ctors")
- O << ".reference .constructors_used\n";
- else if (GVar->getName() == "llvm.global_dtors")
- O << ".reference .destructors_used\n";
- }
- return;
- }
-
- std::string SectionName = TAI->SectionForGlobal(GVar);
- std::string name = Mang->getValueName(GVar);
- Constant *C = GVar->getInitializer();
- const Type *Type = C->getType();
- unsigned Size = TD->getABITypeSize(Type);
- unsigned Align = TD->getPreferredAlignmentLog(GVar);
-
- printVisibility(name, GVar->getVisibility());
-
- if (Subtarget->isTargetELF())
- O << "\t.type\t" << name << ", at object\n";
-
- SwitchToDataSection(SectionName.c_str());
-
- if (C->isNullValue() && !GVar->hasSection()) {
- // FIXME: This seems to be pretty darwin-specific
- if (GVar->hasExternalLinkage()) {
- if (const char *Directive = TAI->getZeroFillDirective()) {
- O << "\t.globl " << name << '\n';
- O << Directive << "__DATA, __common, " << name << ", "
- << Size << ", " << Align << '\n';
- return;
- }
- }
-
- if (!GVar->isThreadLocal() &&
- (GVar->hasInternalLinkage() || GVar->isWeakForLinker())) {
- if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
-
- if (TAI->getLCOMMDirective() != NULL) {
- if (GVar->hasInternalLinkage()) {
- O << TAI->getLCOMMDirective() << name << ',' << Size;
- if (Subtarget->isTargetDarwin())
- O << ',' << Align;
- } else if (Subtarget->isTargetDarwin() && !GVar->hasCommonLinkage()) {
- O << "\t.globl " << name << '\n'
- << TAI->getWeakDefDirective() << name << '\n';
- EmitAlignment(Align, GVar);
- O << name << ":\t\t\t\t" << TAI->getCommentString() << ' ';
- PrintUnmangledNameSafely(GVar, O);
- O << '\n';
- EmitGlobalConstant(C);
- return;
- } else {
- O << TAI->getCOMMDirective() << name << ',' << Size;
- if (TAI->getCOMMDirectiveTakesAlignment())
- O << ',' << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
- }
- } else {
- if (!Subtarget->isTargetCygMing()) {
- if (GVar->hasInternalLinkage())
- O << "\t.local\t" << name << '\n';
- }
- O << TAI->getCOMMDirective() << name << ',' << Size;
- if (TAI->getCOMMDirectiveTakesAlignment())
- O << ',' << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
- }
- O << "\t\t" << TAI->getCommentString() << ' ';
- PrintUnmangledNameSafely(GVar, O);
- O << '\n';
- return;
- }
- }
-
- switch (GVar->getLinkage()) {
- case GlobalValue::CommonLinkage:
- case GlobalValue::LinkOnceLinkage:
- case GlobalValue::WeakLinkage:
- if (Subtarget->isTargetDarwin()) {
- O << "\t.globl " << name << '\n'
- << TAI->getWeakDefDirective() << name << '\n';
- } else if (Subtarget->isTargetCygMing()) {
- O << "\t.globl\t" << name << "\n"
- "\t.linkonce same_size\n";
- } else {
- O << "\t.weak\t" << name << '\n';
- }
- break;
- case GlobalValue::DLLExportLinkage:
- 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 << "\t.globl " << name << '\n';
- // FALL THROUGH
- case GlobalValue::InternalLinkage:
- break;
- default:
- assert(0 && "Unknown linkage type!");
- }
-
- EmitAlignment(Align, GVar);
- O << name << ":\t\t\t\t" << TAI->getCommentString() << ' ';
- PrintUnmangledNameSafely(GVar, O);
- O << '\n';
- if (TAI->hasDotTypeDotSizeDirective())
- O << "\t.size\t" << name << ", " << Size << '\n';
-
- // If the initializer is a extern weak symbol, remember to emit the weak
- // reference!
- if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
- if (GV->hasExternalWeakLinkage())
- ExtWeakSymbols.insert(GV);
-
- EmitGlobalConstant(C);
-}
-
-/// printGVStub - Print stub for a global value.
-///
-void X86ATTAsmPrinter::printGVStub(const char *GV, const char *Prefix) {
- printSuffixedName(GV, "$non_lazy_ptr", Prefix);
- O << ":\n\t.indirect_symbol ";
- if (Prefix) O << Prefix;
- O << GV << "\n\t.long\t0\n";
-}
-
-
-bool X86ATTAsmPrinter::doFinalization(Module &M) {
- // Print out module-level global variables here.
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
- printModuleLevelGV(I);
-
- if (I->hasDLLExportLinkage())
- DLLExportedGVs.insert(Mang->makeNameProper(I->getName(),""));
- }
-
- // Output linker support code for dllexported globals
- if (!DLLExportedGVs.empty())
- SwitchToDataSection(".section .drectve");
-
- for (StringSet<>::iterator i = DLLExportedGVs.begin(),
- e = DLLExportedGVs.end();
- i != e; ++i)
- O << "\t.ascii \" -export:" << i->getKeyData() << ",data\"\n";
-
- if (!DLLExportedFns.empty()) {
- SwitchToDataSection(".section .drectve");
- }
-
- for (StringSet<>::iterator i = DLLExportedFns.begin(),
- e = DLLExportedFns.end();
- i != e; ++i)
- O << "\t.ascii \" -export:" << i->getKeyData() << "\"\n";
-
- if (Subtarget->isTargetDarwin()) {
- SwitchToDataSection("");
-
- // Output stubs for dynamically-linked functions
- unsigned j = 1;
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i, ++j) {
- SwitchToDataSection("\t.section __IMPORT,__jump_table,symbol_stubs,"
- "self_modifying_code+pure_instructions,5", 0);
- const char *p = i->getKeyData();
- printSuffixedName(p, "$stub");
- O << ":\n"
- "\t.indirect_symbol " << p << "\n"
- "\thlt ; hlt ; hlt ; hlt ; hlt\n";
- }
-
- O << '\n';
-
- // Print global value stubs.
- bool InStubSection = false;
- if (TAI->doesSupportExceptionHandling() && MMI && !Subtarget->is64Bit()) {
- // Add the (possibly multiple) personalities to the set of global values.
- // Only referenced functions get into the Personalities list.
- const std::vector<Function *>& Personalities = MMI->getPersonalities();
- for (std::vector<Function *>::const_iterator I = Personalities.begin(),
- E = Personalities.end(); I != E; ++I) {
- if (!*I)
- continue;
- if (!InStubSection) {
- SwitchToDataSection(
- "\t.section __IMPORT,__pointers,non_lazy_symbol_pointers");
- InStubSection = true;
- }
- printGVStub((*I)->getNameStart(), "_");
- }
- }
-
- // Output stubs for external and common global variables.
- if (!InStubSection && !GVStubs.empty())
- SwitchToDataSection(
- "\t.section __IMPORT,__pointers,non_lazy_symbol_pointers");
- for (StringSet<>::iterator i = GVStubs.begin(), e = GVStubs.end();
- i != e; ++i)
- printGVStub(i->getKeyData());
-
- // Emit final debug information.
- DW.EndModule();
-
- // Funny Darwin hack: This flag tells the linker that no global symbols
- // contain code that falls through to other global symbols (e.g. the obvious
- // implementation of multiple entry points). If this doesn't occur, the
- // linker can safely perform dead code stripping. Since LLVM never
- // generates code that does this, it is always safe to set.
- O << "\t.subsections_via_symbols\n";
- } else if (Subtarget->isTargetCygMing()) {
- // Emit type information for external functions
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i) {
- O << "\t.def\t " << i->getKeyData()
- << ";\t.scl\t" << COFF::C_EXT
- << ";\t.type\t" << (COFF::DT_FCN << COFF::N_BTSHFT)
- << ";\t.endef\n";
- }
-
- // Emit final debug information.
- DW.EndModule();
- } else if (Subtarget->isTargetELF()) {
- // Emit final debug information.
- DW.EndModule();
- }
-
- return AsmPrinter::doFinalization(M);
-}
-
-// Include the auto-generated portion of the assembly writer.
-#include "X86GenAsmWriter.inc"
Removed: llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.h?rev=54885&view=auto
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.h (original)
+++ llvm/trunk/lib/Target/X86/X86ATTAsmPrinter.h (removed)
@@ -1,158 +0,0 @@
-//===-- X86ATTAsmPrinter.h - Convert X86 LLVM code to AT&T assembly -------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// AT&T assembly code printer class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef X86ATTASMPRINTER_H
-#define X86ATTASMPRINTER_H
-
-#include "X86.h"
-#include "X86MachineFunctionInfo.h"
-#include "X86TargetMachine.h"
-#include "llvm/ADT/StringSet.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/DwarfWriter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/Support/Compiler.h"
-
-namespace llvm {
-
-struct MachineJumpTableInfo;
-
-struct VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
- DwarfWriter DW;
- MachineModuleInfo *MMI;
-
- const X86Subtarget *Subtarget;
-
- X86ATTAsmPrinter(std::ostream &O, X86TargetMachine &TM,
- const TargetAsmInfo *T)
- : AsmPrinter(O, TM, T), DW(O, this, T), MMI(0) {
- Subtarget = &TM.getSubtarget<X86Subtarget>();
- }
-
- virtual const char *getPassName() const {
- return "X86 AT&T-Style Assembly Printer";
- }
-
- void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.setPreservesAll();
- if (Subtarget->isTargetDarwin() ||
- Subtarget->isTargetELF() ||
- Subtarget->isTargetCygMing()) {
- AU.addRequired<MachineModuleInfo>();
- }
- AsmPrinter::getAnalysisUsage(AU);
- }
-
- bool doInitialization(Module &M);
- bool doFinalization(Module &M);
-
- /// printInstruction - This method is automatically generated by tablegen
- /// from the instruction set description. This method returns true if the
- /// machine instruction was sufficiently described to print it, otherwise it
- /// returns false.
- bool printInstruction(const MachineInstr *MI);
-
- // These methods are used by the tablegen'erated instruction printer.
- void printOperand(const MachineInstr *MI, unsigned OpNo,
- const char *Modifier = 0, bool NotRIPRel = false);
- void printi8mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printi16mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printi32mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printi64mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printi128mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printf32mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printf64mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printf80mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printf128mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo);
- }
- void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
- printMemReference(MI, OpNo, "subreg64");
- }
-
- bool printAsmMRegister(const MachineOperand &MO, const char Mode);
- bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode);
- bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode);
-
- void printMachineInstruction(const MachineInstr *MI);
- void printSSECC(const MachineInstr *MI, unsigned Op);
- void printMemReference(const MachineInstr *MI, unsigned Op,
- const char *Modifier=NULL);
- void printPICJumpTableSetLabel(unsigned uid,
- const MachineBasicBlock *MBB) const;
- void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
- const MachineBasicBlock *MBB) const {
- AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
- }
- void printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
- const MachineBasicBlock *MBB,
- unsigned uid) const;
-
- void printPICLabel(const MachineInstr *MI, unsigned Op);
- void printModuleLevelGV(const GlobalVariable* GVar);
-
- void printGVStub(const char *GV, const char *Prefix = NULL);
-
- bool runOnMachineFunction(MachineFunction &F);
-
- /// getSectionForFunction - Return the section that we should emit the
- /// specified function body into.
- virtual std::string getSectionForFunction(const Function &F) const;
-
- void emitFunctionHeader(const MachineFunction &MF);
-
- // Necessary for Darwin to print out the apprioriate types of linker stubs
- StringSet<> FnStubs, GVStubs, LinkOnceStubs;
-
- // Necessary for dllexport support
- StringSet<> DLLExportedFns, DLLExportedGVs;
-
- // We have to propagate some information about MachineFunction to
- // AsmPrinter. It's ok, when we're printing the function, since we have
- // access to MachineFunction and can get the appropriate MachineFunctionInfo.
- // Unfortunately, this is not possible when we're printing reference to
- // Function (e.g. calling it and so on). Even more, there is no way to get the
- // corresponding MachineFunctions: it can even be not created at all. That's
- // why we should use additional structure, when we're collecting all necessary
- // information.
- //
- // This structure is using e.g. for name decoration for stdcall & fastcall'ed
- // function, since we have to use arguments' size for decoration.
- typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
- FMFInfoMap FunctionInfoMap;
-
- void decorateName(std::string& Name, const GlobalValue* GV);
-};
-
-} // end namespace llvm
-
-#endif
Removed: llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp?rev=54885&view=auto
==============================================================================
--- llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86AsmPrinter.cpp (removed)
@@ -1,35 +0,0 @@
-//===-- X86AsmPrinter.cpp - Convert X86 LLVM IR to X86 assembly -----------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file the shared super class printer that converts from our internal
-// representation of machine-dependent LLVM code to Intel and AT&T format
-// assembly language.
-// This printer is the output mechanism used by `llc'.
-//
-//===----------------------------------------------------------------------===//
-
-#include "X86ATTAsmPrinter.h"
-#include "X86IntelAsmPrinter.h"
-#include "X86Subtarget.h"
-using namespace llvm;
-
-/// createX86CodePrinterPass - Returns a pass that prints the X86 assembly code
-/// for a MachineFunction to the given output stream, using the given target
-/// machine description.
-///
-FunctionPass *llvm::createX86CodePrinterPass(std::ostream &o,
- X86TargetMachine &tm) {
- const X86Subtarget *Subtarget = &tm.getSubtarget<X86Subtarget>();
-
- if (Subtarget->isFlavorIntel()) {
- return new X86IntelAsmPrinter(o, tm, tm.getTargetAsmInfo());
- } else {
- return new X86ATTAsmPrinter(o, tm, tm.getTargetAsmInfo());
- }
-}
Removed: llvm/trunk/lib/Target/X86/X86AsmPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86AsmPrinter.h?rev=54885&view=auto
==============================================================================
(empty)
Removed: llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.cpp?rev=54885&view=auto
==============================================================================
--- llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.cpp (removed)
@@ -1,597 +0,0 @@
-//===-- X86IntelAsmPrinter.cpp - Convert X86 LLVM code to Intel assembly --===//
-//
-// 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 Intel format assembly language.
-// This printer is the output mechanism used by `llc'.
-//
-//===----------------------------------------------------------------------===//
-
-#define DEBUG_TYPE "asm-printer"
-#include "X86IntelAsmPrinter.h"
-#include "X86InstrInfo.h"
-#include "X86TargetAsmInfo.h"
-#include "X86.h"
-#include "llvm/CallingConv.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Assembly/Writer.h"
-#include "llvm/Support/Mangler.h"
-#include "llvm/Target/TargetAsmInfo.h"
-#include "llvm/Target/TargetOptions.h"
-using namespace llvm;
-
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
-static X86MachineFunctionInfo calculateFunctionInfo(const Function *F,
- const TargetData *TD) {
- X86MachineFunctionInfo Info;
- uint64_t Size = 0;
-
- switch (F->getCallingConv()) {
- case CallingConv::X86_StdCall:
- Info.setDecorationStyle(StdCall);
- break;
- case CallingConv::X86_FastCall:
- Info.setDecorationStyle(FastCall);
- break;
- default:
- return Info;
- }
-
- unsigned argNum = 1;
- for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
- AI != AE; ++AI, ++argNum) {
- const Type* Ty = AI->getType();
-
- // 'Dereference' type in case of byval parameter attribute
- if (F->paramHasAttr(argNum, ParamAttr::ByVal))
- Ty = cast<PointerType>(Ty)->getElementType();
-
- // Size should be aligned to DWORD boundary
- Size += ((TD->getABITypeSize(Ty) + 3)/4)*4;
- }
-
- // We're not supporting tooooo huge arguments :)
- Info.setBytesToPopOnReturn((unsigned int)Size);
- return Info;
-}
-
-
-/// decorateName - Query FunctionInfoMap and use this information for various
-/// name decoration.
-void X86IntelAsmPrinter::decorateName(std::string &Name,
- const GlobalValue *GV) {
- const Function *F = dyn_cast<Function>(GV);
- if (!F) return;
-
- // We don't want to decorate non-stdcall or non-fastcall functions right now
- unsigned CC = F->getCallingConv();
- if (CC != CallingConv::X86_StdCall && CC != CallingConv::X86_FastCall)
- return;
-
- FMFInfoMap::const_iterator info_item = FunctionInfoMap.find(F);
-
- const X86MachineFunctionInfo *Info;
- if (info_item == FunctionInfoMap.end()) {
- // Calculate apropriate function info and populate map
- FunctionInfoMap[F] = calculateFunctionInfo(F, TM.getTargetData());
- Info = &FunctionInfoMap[F];
- } else {
- Info = &info_item->second;
- }
-
- const FunctionType *FT = F->getFunctionType();
- switch (Info->getDecorationStyle()) {
- case None:
- break;
- case StdCall:
- // "Pure" variadic functions do not receive @0 suffix.
- if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
- (FT->getNumParams() == 1 && F->hasStructRetAttr()))
- Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
- break;
- case FastCall:
- // "Pure" variadic functions do not receive @0 suffix.
- if (!FT->isVarArg() || (FT->getNumParams() == 0) ||
- (FT->getNumParams() == 1 && F->hasStructRetAttr()))
- Name += '@' + utostr_32(Info->getBytesToPopOnReturn());
-
- if (Name[0] == '_')
- Name[0] = '@';
- else
- Name = '@' + Name;
-
- break;
- default:
- assert(0 && "Unsupported DecorationStyle");
- }
-}
-
-
-std::string X86IntelAsmPrinter::getSectionForFunction(const Function &F) const {
- // Intel asm always emits functions to _text.
- return "_text";
-}
-
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-///
-bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &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();
- unsigned CC = F->getCallingConv();
-
- // Populate function information map. Actually, We don't want to populate
- // non-stdcall or non-fastcall functions' information right now.
- if (CC == CallingConv::X86_StdCall || CC == CallingConv::X86_FastCall)
- FunctionInfoMap[F] = *MF.getInfo<X86MachineFunctionInfo>();
-
- decorateName(CurrentFnName, F);
-
- SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
-
- unsigned FnAlign = OptimizeForSize ? 1 : 4;
- switch (F->getLinkage()) {
- default: assert(0 && "Unsupported linkage type!");
- case Function::InternalLinkage:
- EmitAlignment(FnAlign);
- break;
- case Function::DLLExportLinkage:
- DLLExportedFns.insert(CurrentFnName);
- //FALLS THROUGH
- case Function::ExternalLinkage:
- O << "\tpublic " << CurrentFnName << "\n";
- EmitAlignment(FnAlign);
- break;
- }
-
- O << CurrentFnName << "\tproc near\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 there are any predecessors.
- if (!I->pred_empty()) {
- 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.
- printMachineInstruction(II);
- }
- }
-
- // Print out jump tables referenced by the function.
- EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
-
- O << CurrentFnName << "\tendp\n";
-
- // We didn't modify anything.
- return false;
-}
-
-void X86IntelAsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op) {
- unsigned char value = MI->getOperand(Op).getImm();
- assert(value <= 7 && "Invalid ssecc argument!");
- switch (value) {
- case 0: O << "eq"; break;
- case 1: O << "lt"; break;
- case 2: O << "le"; break;
- case 3: O << "unord"; break;
- case 4: O << "neq"; break;
- case 5: O << "nlt"; break;
- case 6: O << "nle"; break;
- case 7: O << "ord"; break;
- }
-}
-
-void X86IntelAsmPrinter::printOp(const MachineOperand &MO,
- const char *Modifier) {
- switch (MO.getType()) {
- case MachineOperand::MO_Register: {
- if (TargetRegisterInfo::isPhysicalRegister(MO.getReg())) {
- unsigned Reg = MO.getReg();
- if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
- MVT VT = (strcmp(Modifier,"subreg64") == 0) ?
- MVT::i64 : ((strcmp(Modifier, "subreg32") == 0) ? MVT::i32 :
- ((strcmp(Modifier,"subreg16") == 0) ? MVT::i16 :MVT::i8));
- Reg = getX86SubSuperRegister(Reg, VT);
- }
- O << TRI->getName(Reg);
- } else
- O << "reg" << MO.getReg();
- return;
- }
- case MachineOperand::MO_Immediate:
- O << MO.getImm();
- return;
- case MachineOperand::MO_MachineBasicBlock:
- printBasicBlockLabel(MO.getMBB());
- return;
- case MachineOperand::MO_JumpTableIndex: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- if (!isMemOp) O << "OFFSET ";
- O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
- << "_" << MO.getIndex();
- return;
- }
- case MachineOperand::MO_ConstantPoolIndex: {
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- if (!isMemOp) O << "OFFSET ";
- O << "[" << TAI->getPrivateGlobalPrefix() << "CPI"
- << getFunctionNumber() << "_" << MO.getIndex();
- int Offset = MO.getOffset();
- if (Offset > 0)
- O << " + " << Offset;
- else if (Offset < 0)
- O << Offset;
- O << "]";
- return;
- }
- case MachineOperand::MO_GlobalAddress: {
- bool isCallOp = Modifier && !strcmp(Modifier, "call");
- bool isMemOp = Modifier && !strcmp(Modifier, "mem");
- GlobalValue *GV = MO.getGlobal();
- std::string Name = Mang->getValueName(GV);
-
- decorateName(Name, GV);
-
- if (!isMemOp && !isCallOp) O << "OFFSET ";
- if (GV->hasDLLImportLinkage()) {
- // FIXME: This should be fixed with full support of stdcall & fastcall
- // CC's
- O << "__imp_";
- }
- O << Name;
- int Offset = MO.getOffset();
- if (Offset > 0)
- O << " + " << Offset;
- else if (Offset < 0)
- O << Offset;
- return;
- }
- case MachineOperand::MO_ExternalSymbol: {
- bool isCallOp = Modifier && !strcmp(Modifier, "call");
- if (!isCallOp) O << "OFFSET ";
- O << TAI->getGlobalPrefix() << MO.getSymbolName();
- return;
- }
- default:
- O << "<unknown operand type>"; return;
- }
-}
-
-void X86IntelAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op,
- const char *Modifier) {
- assert(isMem(MI, Op) && "Invalid memory reference!");
-
- const MachineOperand &BaseReg = MI->getOperand(Op);
- int ScaleVal = MI->getOperand(Op+1).getImm();
- const MachineOperand &IndexReg = MI->getOperand(Op+2);
- const MachineOperand &DispSpec = MI->getOperand(Op+3);
-
- O << "[";
- bool NeedPlus = false;
- if (BaseReg.getReg()) {
- printOp(BaseReg, Modifier);
- NeedPlus = true;
- }
-
- if (IndexReg.getReg()) {
- if (NeedPlus) O << " + ";
- if (ScaleVal != 1)
- O << ScaleVal << "*";
- printOp(IndexReg, Modifier);
- NeedPlus = true;
- }
-
- if (DispSpec.isGlobalAddress() || DispSpec.isConstantPoolIndex() ||
- DispSpec.isJumpTableIndex()) {
- if (NeedPlus)
- O << " + ";
- printOp(DispSpec, "mem");
- } else {
- int DispVal = DispSpec.getImm();
- if (DispVal || (!BaseReg.getReg() && !IndexReg.getReg())) {
- if (NeedPlus) {
- if (DispVal > 0)
- O << " + ";
- else {
- O << " - ";
- DispVal = -DispVal;
- }
- }
- O << DispVal;
- }
- }
- O << "]";
-}
-
-void X86IntelAsmPrinter::printPICJumpTableSetLabel(unsigned uid,
- const MachineBasicBlock *MBB) const {
- if (!TAI->getSetDirective())
- return;
-
- O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
- << getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false, false);
- O << '-' << "\"L" << getFunctionNumber() << "$pb\"'\n";
-}
-
-void X86IntelAsmPrinter::printPICLabel(const MachineInstr *MI, unsigned Op) {
- O << "\"L" << getFunctionNumber() << "$pb\"\n";
- O << "\"L" << getFunctionNumber() << "$pb\":";
-}
-
-bool X86IntelAsmPrinter::printAsmMRegister(const MachineOperand &MO,
- const char Mode) {
- unsigned Reg = MO.getReg();
- switch (Mode) {
- default: return true; // Unknown mode.
- case 'b': // Print QImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i8);
- break;
- case 'h': // Print QImode high register
- Reg = getX86SubSuperRegister(Reg, MVT::i8, true);
- break;
- case 'w': // Print HImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i16);
- break;
- case 'k': // Print SImode register
- Reg = getX86SubSuperRegister(Reg, MVT::i32);
- break;
- }
-
- O << '%' << TRI->getName(Reg);
- return false;
-}
-
-/// PrintAsmOperand - Print out an operand for an inline asm expression.
-///
-bool X86IntelAsmPrinter::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]) {
- if (ExtraCode[1] != 0) return true; // Unknown modifier.
-
- switch (ExtraCode[0]) {
- default: return true; // Unknown modifier.
- case 'b': // Print QImode register
- case 'h': // Print QImode high register
- case 'w': // Print HImode register
- case 'k': // Print SImode register
- return printAsmMRegister(MI->getOperand(OpNo), ExtraCode[0]);
- }
- }
-
- printOperand(MI, OpNo);
- return false;
-}
-
-bool X86IntelAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
- unsigned OpNo,
- unsigned AsmVariant,
- const char *ExtraCode) {
- if (ExtraCode && ExtraCode[0])
- return true; // Unknown modifier.
- printMemReference(MI, OpNo);
- return false;
-}
-
-/// printMachineInstruction -- Print out a single X86 LLVM instruction
-/// MI in Intel syntax to the current output stream.
-///
-void X86IntelAsmPrinter::printMachineInstruction(const MachineInstr *MI) {
- ++EmittedInsts;
-
- // Call the autogenerated instruction printer routines.
- printInstruction(MI);
-}
-
-bool X86IntelAsmPrinter::doInitialization(Module &M) {
- bool Result = AsmPrinter::doInitialization(M);
-
- Mang->markCharUnacceptable('.');
-
- O << "\t.686\n\t.model flat\n\n";
-
- // Emit declarations for external functions.
- for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
- if (I->isDeclaration()) {
- std::string Name = Mang->getValueName(I);
- decorateName(Name, I);
-
- O << "\textern " ;
- if (I->hasDLLImportLinkage()) {
- O << "__imp_";
- }
- O << Name << ":near\n";
- }
-
- // Emit declarations for external globals. Note that VC++ always declares
- // external globals to have type byte, and if that's good enough for VC++...
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
- if (I->isDeclaration()) {
- std::string Name = Mang->getValueName(I);
-
- O << "\textern " ;
- if (I->hasDLLImportLinkage()) {
- O << "__imp_";
- }
- O << Name << ":byte\n";
- }
- }
-
- return Result;
-}
-
-bool X86IntelAsmPrinter::doFinalization(Module &M) {
- const TargetData *TD = TM.getTargetData();
-
- // Print out module-level global variables here.
- for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
- I != E; ++I) {
- if (I->isDeclaration()) continue; // External global require no code
-
- // Check to see if this is a special global used by LLVM, if so, emit it.
- if (EmitSpecialLLVMGlobal(I))
- continue;
-
- std::string name = Mang->getValueName(I);
- Constant *C = I->getInitializer();
- unsigned Align = TD->getPreferredAlignmentLog(I);
- bool bCustomSegment = false;
-
- switch (I->getLinkage()) {
- case GlobalValue::CommonLinkage:
- case GlobalValue::LinkOnceLinkage:
- case GlobalValue::WeakLinkage:
- SwitchToDataSection("");
- O << name << "?\tsegment common 'COMMON'\n";
- bCustomSegment = true;
- // FIXME: the default alignment is 16 bytes, but 1, 2, 4, and 256
- // are also available.
- break;
- case GlobalValue::AppendingLinkage:
- SwitchToDataSection("");
- O << name << "?\tsegment public 'DATA'\n";
- bCustomSegment = true;
- // FIXME: the default alignment is 16 bytes, but 1, 2, 4, and 256
- // are also available.
- break;
- case GlobalValue::DLLExportLinkage:
- DLLExportedGVs.insert(name);
- // FALL THROUGH
- case GlobalValue::ExternalLinkage:
- O << "\tpublic " << name << "\n";
- // FALL THROUGH
- case GlobalValue::InternalLinkage:
- SwitchToDataSection(TAI->getDataSection(), I);
- break;
- default:
- assert(0 && "Unknown linkage type!");
- }
-
- if (!bCustomSegment)
- EmitAlignment(Align, I);
-
- O << name << ":\t\t\t\t" << TAI->getCommentString()
- << " " << I->getName() << '\n';
-
- EmitGlobalConstant(C);
-
- if (bCustomSegment)
- O << name << "?\tends\n";
- }
-
- // Output linker support code for dllexported globals
- if (!DLLExportedGVs.empty() || !DLLExportedFns.empty()) {
- SwitchToDataSection("");
- O << "; WARNING: The following code is valid only with MASM v8.x and (possible) higher\n"
- << "; This version of MASM is usually shipped with Microsoft Visual Studio 2005\n"
- << "; or (possible) further versions. Unfortunately, there is no way to support\n"
- << "; dllexported symbols in the earlier versions of MASM in fully automatic way\n\n";
- O << "_drectve\t segment info alias('.drectve')\n";
- }
-
- for (StringSet<>::iterator i = DLLExportedGVs.begin(),
- e = DLLExportedGVs.end();
- i != e; ++i)
- O << "\t db ' /EXPORT:" << i->getKeyData() << ",data'\n";
-
- for (StringSet<>::iterator i = DLLExportedFns.begin(),
- e = DLLExportedFns.end();
- i != e; ++i)
- O << "\t db ' /EXPORT:" << i->getKeyData() << "'\n";
-
- if (!DLLExportedGVs.empty() || !DLLExportedFns.empty())
- O << "_drectve\t ends\n";
-
- // Bypass X86SharedAsmPrinter::doFinalization().
- bool Result = AsmPrinter::doFinalization(M);
- SwitchToDataSection("");
- O << "\tend\n";
- return Result;
-}
-
-void X86IntelAsmPrinter::EmitString(const ConstantArray *CVA) const {
- unsigned NumElts = CVA->getNumOperands();
- if (NumElts) {
- // ML does not have escape sequences except '' for '. It also has a maximum
- // string length of 255.
- unsigned len = 0;
- bool inString = false;
- for (unsigned i = 0; i < NumElts; i++) {
- int n = cast<ConstantInt>(CVA->getOperand(i))->getZExtValue() & 255;
- if (len == 0)
- O << "\tdb ";
-
- if (n >= 32 && n <= 127) {
- if (!inString) {
- if (len > 0) {
- O << ",'";
- len += 2;
- } else {
- O << "'";
- len++;
- }
- inString = true;
- }
- if (n == '\'') {
- O << "'";
- len++;
- }
- O << char(n);
- } else {
- if (inString) {
- O << "'";
- len++;
- inString = false;
- }
- if (len > 0) {
- O << ",";
- len++;
- }
- O << n;
- len += 1 + (n > 9) + (n > 99);
- }
-
- if (len > 60) {
- if (inString) {
- O << "'";
- inString = false;
- }
- O << "\n";
- len = 0;
- }
- }
-
- if (len > 0) {
- if (inString)
- O << "'";
- O << "\n";
- }
- }
-}
-
-// Include the auto-generated portion of the assembly writer.
-#include "X86GenAsmWriter1.inc"
Removed: llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.h?rev=54885&view=auto
==============================================================================
--- llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.h (original)
+++ llvm/trunk/lib/Target/X86/X86IntelAsmPrinter.h (removed)
@@ -1,145 +0,0 @@
-//===-- X86IntelAsmPrinter.h - Convert X86 LLVM code to Intel assembly ----===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Intel assembly code printer class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef X86INTELASMPRINTER_H
-#define X86INTELASMPRINTER_H
-
-#include "X86.h"
-#include "X86MachineFunctionInfo.h"
-#include "X86TargetMachine.h"
-#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/ADT/StringSet.h"
-#include "llvm/Support/Compiler.h"
-
-namespace llvm {
-
-struct VISIBILITY_HIDDEN X86IntelAsmPrinter : public AsmPrinter {
- X86IntelAsmPrinter(std::ostream &O, X86TargetMachine &TM,
- const TargetAsmInfo *T)
- : AsmPrinter(O, TM, T) {
- }
-
- virtual const char *getPassName() const {
- return "X86 Intel-Style Assembly Printer";
- }
-
- /// printInstruction - This method is automatically generated by tablegen
- /// from the instruction set description. This method returns true if the
- /// machine instruction was sufficiently described to print it, otherwise it
- /// returns false.
- bool printInstruction(const MachineInstr *MI);
-
- // This method is used by the tablegen'erated instruction printer.
- void printOperand(const MachineInstr *MI, unsigned OpNo,
- const char *Modifier = 0) {
- const MachineOperand &MO = MI->getOperand(OpNo);
- if (MO.isRegister()) {
- assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) &&
- "Not physreg??");
- O << TM.getRegisterInfo()->get(MO.getReg()).Name; // Capitalized names
- } else {
- printOp(MO, Modifier);
- }
- }
-
- void printi8mem(const MachineInstr *MI, unsigned OpNo) {
- O << "BYTE PTR ";
- printMemReference(MI, OpNo);
- }
- void printi16mem(const MachineInstr *MI, unsigned OpNo) {
- O << "WORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printi32mem(const MachineInstr *MI, unsigned OpNo) {
- O << "DWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printi64mem(const MachineInstr *MI, unsigned OpNo) {
- O << "QWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printi128mem(const MachineInstr *MI, unsigned OpNo) {
- O << "XMMWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printf32mem(const MachineInstr *MI, unsigned OpNo) {
- O << "DWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printf64mem(const MachineInstr *MI, unsigned OpNo) {
- O << "QWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printf80mem(const MachineInstr *MI, unsigned OpNo) {
- O << "XWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printf128mem(const MachineInstr *MI, unsigned OpNo) {
- O << "XMMWORD PTR ";
- printMemReference(MI, OpNo);
- }
- void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
- O << "QWORD PTR ";
- printMemReference(MI, OpNo, "subreg64");
- }
-
- bool printAsmMRegister(const MachineOperand &MO, const char Mode);
- bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode);
- bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
- unsigned AsmVariant, const char *ExtraCode);
- void printMachineInstruction(const MachineInstr *MI);
- void printOp(const MachineOperand &MO, const char *Modifier = 0);
- void printSSECC(const MachineInstr *MI, unsigned Op);
- void printMemReference(const MachineInstr *MI, unsigned Op,
- const char *Modifier=NULL);
- void printPICJumpTableSetLabel(unsigned uid,
- const MachineBasicBlock *MBB) const;
- void printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
- const MachineBasicBlock *MBB) const {
- AsmPrinter::printPICJumpTableSetLabel(uid, uid2, MBB);
- }
- void printPICLabel(const MachineInstr *MI, unsigned Op);
- bool runOnMachineFunction(MachineFunction &F);
- bool doInitialization(Module &M);
- bool doFinalization(Module &M);
-
- // We have to propagate some information about MachineFunction to
- // AsmPrinter. It's ok, when we're printing the function, since we have
- // access to MachineFunction and can get the appropriate MachineFunctionInfo.
- // Unfortunately, this is not possible when we're printing reference to
- // Function (e.g. calling it and so on). Even more, there is no way to get the
- // corresponding MachineFunctions: it can even be not created at all. That's
- // why we should use additional structure, when we're collecting all necessary
- // information.
- //
- // This structure is using e.g. for name decoration for stdcall & fastcall'ed
- // function, since we have to use arguments' size for decoration.
- typedef std::map<const Function*, X86MachineFunctionInfo> FMFInfoMap;
- FMFInfoMap FunctionInfoMap;
-
- void decorateName(std::string& Name, const GlobalValue* GV);
-
- /// getSectionForFunction - Return the section that we should emit the
- /// specified function body into.
- virtual std::string getSectionForFunction(const Function &F) const;
-
- virtual void EmitString(const ConstantArray *CVA) const;
-
- // Necessary for dllexport support
- StringSet<> DLLExportedFns, DLLExportedGVs;
-};
-
-} // end namespace llvm
-
-#endif
Modified: llvm/trunk/lib/Target/X86/X86TargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86TargetMachine.cpp?rev=54886&r1=54885&r2=54886&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86TargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86TargetMachine.cpp Sun Aug 17 08:53:59 2008
@@ -35,6 +35,9 @@
static RegisterTarget<X86_64TargetMachine>
Y("x86-64", " 64-bit X86: EM64T and AMD64");
+// No assembler printer by default
+X86TargetMachine::AsmPrinterCtorFn X86TargetMachine::AsmPrinterCtor = 0;
+
const TargetAsmInfo *X86TargetMachine::createTargetAsmInfo() const {
if (Subtarget.isFlavorIntel())
return new X86WinTargetAsmInfo(*this);
@@ -187,7 +190,9 @@
bool X86TargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast,
std::ostream &Out) {
- PM.add(createX86CodePrinterPass(Out, *this));
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(Out, *this));
return false;
}
@@ -210,8 +215,11 @@
}
PM.add(createX86CodeEmitterPass(*this, MCE));
- if (DumpAsm)
- PM.add(createX86CodePrinterPass(*cerr.stream(), *this));
+ if (DumpAsm) {
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(*cerr.stream(), *this));
+ }
return false;
}
@@ -219,7 +227,11 @@
bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
bool DumpAsm, MachineCodeEmitter &MCE) {
PM.add(createX86CodeEmitterPass(*this, MCE));
- if (DumpAsm)
- PM.add(createX86CodePrinterPass(*cerr.stream(), *this));
+ if (DumpAsm) {
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(*cerr.stream(), *this));
+ }
+
return false;
}
Modified: llvm/trunk/lib/Target/X86/X86TargetMachine.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86TargetMachine.h?rev=54886&r1=54885&r2=54886&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86TargetMachine.h (original)
+++ llvm/trunk/lib/Target/X86/X86TargetMachine.h Sun Aug 17 08:53:59 2008
@@ -38,7 +38,13 @@
protected:
virtual const TargetAsmInfo *createTargetAsmInfo() const;
-
+
+ // To avoid having target depend on the asmprinter stuff libraries, asmprinter
+ // set this functions to ctor pointer at startup time if they are linked in.
+ typedef FunctionPass *(*AsmPrinterCtorFn)(std::ostream &o,
+ X86TargetMachine &tm);
+ static AsmPrinterCtorFn AsmPrinterCtor;
+
public:
X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit);
@@ -59,7 +65,11 @@
static unsigned getModuleMatchQuality(const Module &M);
static unsigned getJITMatchQuality();
-
+
+ static void registerAsmPrinter(AsmPrinterCtorFn F) {
+ AsmPrinterCtor = F;
+ }
+
// Set up the pass pipeline.
virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
virtual bool addPreRegAlloc(PassManagerBase &PM, bool Fast);
Modified: llvm/trunk/tools/lli/Makefile
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/lli/Makefile?rev=54886&r1=54885&r2=54886&view=diff
==============================================================================
--- llvm/trunk/tools/lli/Makefile (original)
+++ llvm/trunk/tools/lli/Makefile Sun Aug 17 08:53:59 2008
@@ -9,7 +9,7 @@
LEVEL := ../..
TOOLNAME := lli
-LINK_COMPONENTS := jit interpreter native bitreader selectiondag
+LINK_COMPONENTS := jit interpreter nativecodegen bitreader selectiondag
# Enable JIT support
include $(LEVEL)/Makefile.common
Modified: llvm/trunk/tools/llvm-config/llvm-config.in.in
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-config/llvm-config.in.in?rev=54886&r1=54885&r2=54886&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-config/llvm-config.in.in (original)
+++ llvm/trunk/tools/llvm-config/llvm-config.in.in Sun Aug 17 08:53:59 2008
@@ -326,8 +326,17 @@
}
}
+ # Add target-specific entries
+ foreach my $target (@TARGETS_BUILT) {
+ # FIXME: Temporary, until we don't switch all targets
+ if (defined $NAME_MAP{$target.'asmprinter'}) {
+ $NAME_MAP{$target} = [$target.'asmprinter', $target.'codegen']
+ }
+ }
+
# Add virtual entries.
$NAME_MAP{'native'} = have_native_backend() ? [$ARCH] : [];
+ $NAME_MAP{'nativecodegen'} = have_native_backend() ? [$ARCH.'codegen'] : [];
$NAME_MAP{'backend'} = have_native_backend() ? ['native'] : ['cbackend'];
$NAME_MAP{'engine'} = find_best_engine;
$NAME_MAP{'all'} = [name_map_entries]; # Must be last.
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