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Use crazy template-based inheritance instead of virtual one.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56585 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2008-09-24 22:21:39 +00:00
parent 541af7f769
commit 8490322fa9
5 changed files with 139 additions and 126 deletions
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2
include/llvm/Target/TargetAsmInfo.h
View File

@ -124,6 +124,7 @@ namespace llvm {
private:
mutable StringMap<Section> Sections;
mutable SectionFlags::FlagsStringsMapType FlagsStrings;
void fillDefaultValues();
protected:
//===------------------------------------------------------------------===//
// Properties to be set by the target writer, used to configure asm printer.
@ -510,6 +511,7 @@ namespace llvm {
public:
TargetAsmInfo();
TargetAsmInfo(const TargetMachine &TM);
virtual ~TargetAsmInfo();
const Section* getNamedSection(const char *Name,

188
lib/Target/TargetAsmInfo.cpp
View File

@ -25,100 +25,108 @@
using namespace llvm;
TargetAsmInfo::TargetAsmInfo() :
TextSection(0),
DataSection(0),
BSSSection("\t.bss"),
BSSSection_(0),
ReadOnlySection(0),
SmallDataSection(0),
SmallBSSSection(0),
SmallRODataSection(0),
TLSDataSection(0),
TLSBSSSection(0),
ZeroFillDirective(0),
NonexecutableStackDirective(0),
NeedsSet(false),
MaxInstLength(4),
PCSymbol("$"),
SeparatorChar(';'),
CommentString("#"),
GlobalPrefix(""),
PrivateGlobalPrefix("."),
LessPrivateGlobalPrefix(""),
JumpTableSpecialLabelPrefix(0),
GlobalVarAddrPrefix(""),
GlobalVarAddrSuffix(""),
FunctionAddrPrefix(""),
FunctionAddrSuffix(""),
PersonalityPrefix(""),
PersonalitySuffix(""),
NeedsIndirectEncoding(false),
InlineAsmStart("#APP"),
InlineAsmEnd("#NO_APP"),
AssemblerDialect(0),
StringConstantPrefix(".str"),
ZeroDirective("\t.zero\t"),
ZeroDirectiveSuffix(0),
AsciiDirective("\t.ascii\t"),
AscizDirective("\t.asciz\t"),
Data8bitsDirective("\t.byte\t"),
Data16bitsDirective("\t.short\t"),
Data32bitsDirective("\t.long\t"),
Data64bitsDirective("\t.quad\t"),
AlignDirective("\t.align\t"),
AlignmentIsInBytes(true),
TextAlignFillValue(0),
SwitchToSectionDirective("\t.section\t"),
TextSectionStartSuffix(""),
DataSectionStartSuffix(""),
SectionEndDirectiveSuffix(0),
ConstantPoolSection("\t.section .rodata"),
JumpTableDataSection("\t.section .rodata"),
JumpTableDirective(0),
CStringSection(0),
CStringSection_(0),
StaticCtorsSection("\t.section .ctors,\"aw\",@progbits"),
StaticDtorsSection("\t.section .dtors,\"aw\",@progbits"),
GlobalDirective("\t.globl\t"),
SetDirective(0),
LCOMMDirective(0),
COMMDirective("\t.comm\t"),
COMMDirectiveTakesAlignment(true),
HasDotTypeDotSizeDirective(true),
UsedDirective(0),
WeakRefDirective(0),
WeakDefDirective(0),
HiddenDirective("\t.hidden\t"),
ProtectedDirective("\t.protected\t"),
AbsoluteDebugSectionOffsets(false),
AbsoluteEHSectionOffsets(false),
HasLEB128(false),
HasDotLocAndDotFile(false),
SupportsDebugInformation(false),
SupportsExceptionHandling(false),
DwarfRequiresFrameSection(true),
GlobalEHDirective(0),
SupportsWeakOmittedEHFrame(true),
DwarfSectionOffsetDirective(0),
DwarfAbbrevSection(".debug_abbrev"),
DwarfInfoSection(".debug_info"),
DwarfLineSection(".debug_line"),
DwarfFrameSection(".debug_frame"),
DwarfPubNamesSection(".debug_pubnames"),
DwarfPubTypesSection(".debug_pubtypes"),
DwarfStrSection(".debug_str"),
DwarfLocSection(".debug_loc"),
DwarfARangesSection(".debug_aranges"),
DwarfRangesSection(".debug_ranges"),
DwarfMacInfoSection(".debug_macinfo"),
DwarfEHFrameSection(".eh_frame"),
DwarfExceptionSection(".gcc_except_table"),
AsmTransCBE(0) {
void TargetAsmInfo::fillDefaultValues() {
BSSSection = "\t.bss";
BSSSection_ = 0;
ReadOnlySection = 0;
SmallDataSection = 0;
SmallBSSSection = 0;
SmallRODataSection = 0;
TLSDataSection = 0;
TLSBSSSection = 0;
ZeroFillDirective = 0;
NonexecutableStackDirective = 0;
NeedsSet = false;
MaxInstLength = 4;
PCSymbol = "$";
SeparatorChar = ';';
CommentString = "#";
GlobalPrefix = "";
PrivateGlobalPrefix = ".";
LessPrivateGlobalPrefix = "";
JumpTableSpecialLabelPrefix = 0;
GlobalVarAddrPrefix = "";
GlobalVarAddrSuffix = "";
FunctionAddrPrefix = "";
FunctionAddrSuffix = "";
PersonalityPrefix = "";
PersonalitySuffix = "";
NeedsIndirectEncoding = false;
InlineAsmStart = "#APP";
InlineAsmEnd = "#NO_APP";
AssemblerDialect = 0;
StringConstantPrefix = ".str";
ZeroDirective = "\t.zero\t";
ZeroDirectiveSuffix = 0;
AsciiDirective = "\t.ascii\t";
AscizDirective = "\t.asciz\t";
Data8bitsDirective = "\t.byte\t";
Data16bitsDirective = "\t.short\t";
Data32bitsDirective = "\t.long\t";
Data64bitsDirective = "\t.quad\t";
AlignDirective = "\t.align\t";
AlignmentIsInBytes = true;
TextAlignFillValue = 0;
SwitchToSectionDirective = "\t.section\t";
TextSectionStartSuffix = "";
DataSectionStartSuffix = "";
SectionEndDirectiveSuffix = 0;
ConstantPoolSection = "\t.section .rodata";
JumpTableDataSection = "\t.section .rodata";
JumpTableDirective = 0;
CStringSection = 0;
CStringSection_ = 0;
// FIXME: Flags are ELFish - replace with normal section stuff.
StaticCtorsSection = "\t.section .ctors,\"aw\",@progbits";
StaticDtorsSection = "\t.section .dtors,\"aw\",@progbits";
GlobalDirective = "\t.globl\t";
SetDirective = 0;
LCOMMDirective = 0;
COMMDirective = "\t.comm\t";
COMMDirectiveTakesAlignment = true;
HasDotTypeDotSizeDirective = true;
UsedDirective = 0;
WeakRefDirective = 0;
WeakDefDirective = 0;
// FIXME: These are ELFish - move to ELFTAI.
HiddenDirective = "\t.hidden\t";
ProtectedDirective = "\t.protected\t";
AbsoluteDebugSectionOffsets = false;
AbsoluteEHSectionOffsets = false;
HasLEB128 = false;
HasDotLocAndDotFile = false;
SupportsDebugInformation = false;
SupportsExceptionHandling = false;
DwarfRequiresFrameSection = true;
GlobalEHDirective = 0;
SupportsWeakOmittedEHFrame = true;
DwarfSectionOffsetDirective = 0;
DwarfAbbrevSection = ".debug_abbrev";
DwarfInfoSection = ".debug_info";
DwarfLineSection = ".debug_line";
DwarfFrameSection = ".debug_frame";
DwarfPubNamesSection = ".debug_pubnames";
DwarfPubTypesSection = ".debug_pubtypes";
DwarfStrSection = ".debug_str";
DwarfLocSection = ".debug_loc";
DwarfARangesSection = ".debug_aranges";
DwarfRangesSection = ".debug_ranges";
DwarfMacInfoSection = ".debug_macinfo";
DwarfEHFrameSection = ".eh_frame";
DwarfExceptionSection = ".gcc_except_table";
AsmTransCBE = 0;
TextSection = getUnnamedSection("\t.text", SectionFlags::Code);
DataSection = getUnnamedSection("\t.data", SectionFlags::Writeable);
}
TargetAsmInfo::TargetAsmInfo() {
fillDefaultValues();
}
TargetAsmInfo::TargetAsmInfo(const TargetMachine &TM) {
fillDefaultValues();
}
TargetAsmInfo::~TargetAsmInfo() {
}

44
lib/Target/X86/X86TargetAsmInfo.cpp
View File

@ -25,27 +25,20 @@
using namespace llvm;
using namespace llvm::dwarf;
static const char *const x86_asm_table[] = {
"{si}", "S",
"{di}", "D",
"{ax}", "a",
"{cx}", "c",
"{memory}", "memory",
"{flags}", "",
"{dirflag}", "",
"{fpsr}", "",
"{cc}", "cc",
0,0};
const char *const llvm::x86_asm_table[] = {
"{si}", "S",
"{di}", "D",
"{ax}", "a",
"{cx}", "c",
"{memory}", "memory",
"{flags}", "",
"{dirflag}", "",
"{fpsr}", "",
"{cc}", "cc",
0,0};
X86TargetAsmInfo::X86TargetAsmInfo(const X86TargetMachine &TM) {
const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
AsmTransCBE = x86_asm_table;
AssemblerDialect = Subtarget->getAsmFlavor();
}
bool X86TargetAsmInfo::LowerToBSwap(CallInst *CI) const {
template <class BaseTAI>
bool X86TargetAsmInfo<BaseTAI>::LowerToBSwap(CallInst *CI) const {
// FIXME: this should verify that we are targetting a 486 or better. If not,
// we will turn this bswap into something that will be lowered to logical ops
// instead of emitting the bswap asm. For now, we don't support 486 or lower
@ -74,7 +67,8 @@ bool X86TargetAsmInfo::LowerToBSwap(CallInst *CI) const {
return true;
}
bool X86TargetAsmInfo::ExpandInlineAsm(CallInst *CI) const {
template <class BaseTAI>
bool X86TargetAsmInfo<BaseTAI>::ExpandInlineAsm(CallInst *CI) const {
InlineAsm *IA = cast<InlineAsm>(CI->getCalledValue());
std::vector<InlineAsm::ConstraintInfo> Constraints = IA->ParseConstraints();
@ -125,7 +119,7 @@ bool X86TargetAsmInfo::ExpandInlineAsm(CallInst *CI) const {
}
X86DarwinTargetAsmInfo::X86DarwinTargetAsmInfo(const X86TargetMachine &TM):
X86TargetAsmInfo(TM), DarwinTargetAsmInfo(TM) {
X86TargetAsmInfo<DarwinTargetAsmInfo>(TM) {
const X86Subtarget* Subtarget = &DTM->getSubtarget<X86Subtarget>();
bool is64Bit = Subtarget->is64Bit();
@ -225,7 +219,7 @@ X86DarwinTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
}
X86ELFTargetAsmInfo::X86ELFTargetAsmInfo(const X86TargetMachine &TM):
X86TargetAsmInfo(TM), ELFTargetAsmInfo(TM) {
X86TargetAsmInfo<ELFTargetAsmInfo>(TM) {
CStringSection = ".rodata.str";
PrivateGlobalPrefix = ".L";
@ -302,7 +296,7 @@ X86ELFTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
}
X86COFFTargetAsmInfo::X86COFFTargetAsmInfo(const X86TargetMachine &TM):
X86TargetAsmInfo(TM) {
X86GenericTargetAsmInfo(TM) {
X86TM = &TM;
GlobalPrefix = "_";
@ -408,7 +402,7 @@ std::string X86COFFTargetAsmInfo::printSectionFlags(unsigned flags) const {
}
X86WinTargetAsmInfo::X86WinTargetAsmInfo(const X86TargetMachine &TM):
X86TargetAsmInfo(TM) {
X86GenericTargetAsmInfo(TM) {
GlobalPrefix = "_";
CommentString = ";";

29
lib/Target/X86/X86TargetAsmInfo.h
View File

@ -14,17 +14,24 @@
#ifndef X86TARGETASMINFO_H
#define X86TARGETASMINFO_H
#include "X86TargetMachine.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/ELFTargetAsmInfo.h"
#include "llvm/Target/DarwinTargetAsmInfo.h"
namespace llvm {
// Forward declaration.
class X86TargetMachine;
extern const char *const x86_asm_table[];
struct X86TargetAsmInfo : public virtual TargetAsmInfo {
explicit X86TargetAsmInfo(const X86TargetMachine &TM);
template <class BaseTAI>
struct X86TargetAsmInfo : public BaseTAI {
explicit X86TargetAsmInfo(const X86TargetMachine &TM):
BaseTAI(TM) {
const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
BaseTAI::AsmTransCBE = x86_asm_table;
BaseTAI::AssemblerDialect = Subtarget->getAsmFlavor();
}
virtual bool ExpandInlineAsm(CallInst *CI) const;
@ -32,21 +39,21 @@ namespace llvm {
bool LowerToBSwap(CallInst *CI) const;
};
struct X86DarwinTargetAsmInfo : public X86TargetAsmInfo,
public DarwinTargetAsmInfo {
typedef X86TargetAsmInfo<TargetAsmInfo> X86GenericTargetAsmInfo;
struct X86DarwinTargetAsmInfo : public X86TargetAsmInfo<DarwinTargetAsmInfo> {
explicit X86DarwinTargetAsmInfo(const X86TargetMachine &TM);
virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason,
bool Global) const;
};
struct X86ELFTargetAsmInfo : public X86TargetAsmInfo,
public ELFTargetAsmInfo {
struct X86ELFTargetAsmInfo : public X86TargetAsmInfo<ELFTargetAsmInfo> {
explicit X86ELFTargetAsmInfo(const X86TargetMachine &TM);
virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason,
bool Global) const;
};
struct X86COFFTargetAsmInfo : public X86TargetAsmInfo {
struct X86COFFTargetAsmInfo : public X86GenericTargetAsmInfo {
explicit X86COFFTargetAsmInfo(const X86TargetMachine &TM);
virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason,
bool Global) const;
@ -57,9 +64,11 @@ namespace llvm {
const X86TargetMachine *X86TM;
};
struct X86WinTargetAsmInfo : public X86TargetAsmInfo {
struct X86WinTargetAsmInfo : public X86GenericTargetAsmInfo {
explicit X86WinTargetAsmInfo(const X86TargetMachine &TM);
};
} // namespace llvm
#endif

2
lib/Target/X86/X86TargetMachine.cpp
View File

@ -54,7 +54,7 @@ const TargetAsmInfo *X86TargetMachine::createTargetAsmInfo() const {
case X86Subtarget::isWindows:
return new X86WinTargetAsmInfo(*this);
default:
return new X86TargetAsmInfo(*this);
return new X86GenericTargetAsmInfo(*this);
}
}