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Remove always true argument and unused field.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208561 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-05-12 13:47:05 +00:00
parent e4b9009399
commit 6ec481443b
3 changed files with 9 additions and 26 deletions
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9
include/llvm/MC/MCObjectFileInfo.h
View File

@ -44,11 +44,10 @@ protected:
/// section. /// section.
bool SupportsCompactUnwindWithoutEHFrame; bool SupportsCompactUnwindWithoutEHFrame;
/// PersonalityEncoding, LSDAEncoding, FDEEncoding, TTypeEncoding - Some /// PersonalityEncoding, LSDAEncoding, TTypeEncoding - Some encoding values
/// encoding values for EH. /// for EH.
unsigned PersonalityEncoding; unsigned PersonalityEncoding;
unsigned LSDAEncoding; unsigned LSDAEncoding;
unsigned FDEEncoding;
unsigned FDECFIEncoding; unsigned FDECFIEncoding;
unsigned TTypeEncoding; unsigned TTypeEncoding;
@ -217,9 +216,7 @@ public:
unsigned getPersonalityEncoding() const { return PersonalityEncoding; } unsigned getPersonalityEncoding() const { return PersonalityEncoding; }
unsigned getLSDAEncoding() const { return LSDAEncoding; } unsigned getLSDAEncoding() const { return LSDAEncoding; }
unsigned getFDEEncoding(bool CFI) const { unsigned getFDEEncoding() const { return FDECFIEncoding; }
return CFI ? FDECFIEncoding : FDEEncoding;
}
unsigned getTTypeEncoding() const { return TTypeEncoding; } unsigned getTTypeEncoding() const { return TTypeEncoding; }
unsigned getCompactUnwindDwarfEHFrameOnly() const { unsigned getCompactUnwindDwarfEHFrameOnly() const {

6
lib/MC/MCDwarf.cpp
View File

@ -1200,7 +1200,7 @@ void FrameEmitterImpl::EmitCompactUnwind(MCStreamer &Streamer,
Encoding |= 0x40000000; Encoding |= 0x40000000;
// Range Start // Range Start
unsigned FDEEncoding = MOFI->getFDEEncoding(true); unsigned FDEEncoding = MOFI->getFDEEncoding();
unsigned Size = getSizeForEncoding(Streamer, FDEEncoding); unsigned Size = getSizeForEncoding(Streamer, FDEEncoding);
if (VerboseAsm) Streamer.AddComment("Range Start"); if (VerboseAsm) Streamer.AddComment("Range Start");
Streamer.EmitSymbolValue(Frame.Function, Size); Streamer.EmitSymbolValue(Frame.Function, Size);
@ -1332,7 +1332,7 @@ const MCSymbol &FrameEmitterImpl::EmitCIE(MCStreamer &streamer,
EmitEncodingByte(streamer, lsdaEncoding, "LSDA Encoding"); EmitEncodingByte(streamer, lsdaEncoding, "LSDA Encoding");
// Encoding of the FDE pointers // Encoding of the FDE pointers
EmitEncodingByte(streamer, MOFI->getFDEEncoding(true), "FDE Encoding"); EmitEncodingByte(streamer, MOFI->getFDEEncoding(), "FDE Encoding");
} }
// Initial Instructions // Initial Instructions
@ -1391,7 +1391,7 @@ MCSymbol *FrameEmitterImpl::EmitFDE(MCStreamer &streamer,
// PC Begin // PC Begin
unsigned PCEncoding = unsigned PCEncoding =
IsEH ? MOFI->getFDEEncoding(true) : (unsigned)dwarf::DW_EH_PE_absptr; IsEH ? MOFI->getFDEEncoding() : (unsigned)dwarf::DW_EH_PE_absptr;
unsigned PCSize = getSizeForEncoding(streamer, PCEncoding); unsigned PCSize = getSizeForEncoding(streamer, PCEncoding);
EmitFDESymbol(streamer, *frame.Begin, PCEncoding, IsEH, "FDE initial location"); EmitFDESymbol(streamer, *frame.Begin, PCEncoding, IsEH, "FDE initial location");

20
lib/MC/MCObjectFileInfo.cpp
View File

@ -27,7 +27,7 @@ void MCObjectFileInfo::InitMachOMCObjectFileInfo(Triple T) {
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel
| dwarf::DW_EH_PE_sdata4; | dwarf::DW_EH_PE_sdata4;
LSDAEncoding = FDEEncoding = FDECFIEncoding = dwarf::DW_EH_PE_pcrel; LSDAEncoding = FDECFIEncoding = dwarf::DW_EH_PE_pcrel;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4; dwarf::DW_EH_PE_sdata4;
@ -271,9 +271,6 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
LSDAEncoding = (RelocM == Reloc::PIC_) LSDAEncoding = (RelocM == Reloc::PIC_)
? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 ? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
: dwarf::DW_EH_PE_absptr; : dwarf::DW_EH_PE_absptr;
FDEEncoding = (RelocM == Reloc::PIC_)
? dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
: dwarf::DW_EH_PE_absptr;
TTypeEncoding = (RelocM == Reloc::PIC_) TTypeEncoding = (RelocM == Reloc::PIC_)
? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4 ? dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4
: dwarf::DW_EH_PE_absptr; : dwarf::DW_EH_PE_absptr;
@ -286,7 +283,6 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
LSDAEncoding = dwarf::DW_EH_PE_pcrel | LSDAEncoding = dwarf::DW_EH_PE_pcrel |
(CMModel == CodeModel::Small (CMModel == CodeModel::Small
? dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_sdata8); ? dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_sdata8);
FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
((CMModel == CodeModel::Small || CMModel == CodeModel::Medium) ((CMModel == CodeModel::Small || CMModel == CodeModel::Medium)
? dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_sdata8); ? dwarf::DW_EH_PE_sdata4 : dwarf::DW_EH_PE_sdata8);
@ -296,7 +292,6 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr; ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
LSDAEncoding = (CMModel == CodeModel::Small) LSDAEncoding = (CMModel == CodeModel::Small)
? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr; ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
FDEEncoding = dwarf::DW_EH_PE_udata4;
TTypeEncoding = (CMModel == CodeModel::Small) TTypeEncoding = (CMModel == CodeModel::Small)
? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr; ? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
} }
@ -312,13 +307,11 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata8; dwarf::DW_EH_PE_sdata8;
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8; LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8;
FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata8; dwarf::DW_EH_PE_sdata8;
} else { } else {
PersonalityEncoding = dwarf::DW_EH_PE_absptr; PersonalityEncoding = dwarf::DW_EH_PE_absptr;
LSDAEncoding = dwarf::DW_EH_PE_absptr; LSDAEncoding = dwarf::DW_EH_PE_absptr;
FDEEncoding = dwarf::DW_EH_PE_udata4;
TTypeEncoding = dwarf::DW_EH_PE_absptr; TTypeEncoding = dwarf::DW_EH_PE_absptr;
} }
break; break;
@ -327,7 +320,6 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_udata8; dwarf::DW_EH_PE_udata8;
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8; LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8;
FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_udata8; dwarf::DW_EH_PE_udata8;
break; break;
@ -336,13 +328,11 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4; dwarf::DW_EH_PE_sdata4;
FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4; dwarf::DW_EH_PE_sdata4;
} else { } else {
LSDAEncoding = dwarf::DW_EH_PE_absptr; LSDAEncoding = dwarf::DW_EH_PE_absptr;
PersonalityEncoding = dwarf::DW_EH_PE_absptr; PersonalityEncoding = dwarf::DW_EH_PE_absptr;
FDEEncoding = dwarf::DW_EH_PE_udata4;
TTypeEncoding = dwarf::DW_EH_PE_absptr; TTypeEncoding = dwarf::DW_EH_PE_absptr;
} }
break; break;
@ -351,12 +341,10 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
if (RelocM == Reloc::PIC_) { if (RelocM == Reloc::PIC_) {
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4; dwarf::DW_EH_PE_sdata4;
FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4; dwarf::DW_EH_PE_sdata4;
} else { } else {
PersonalityEncoding = dwarf::DW_EH_PE_absptr; PersonalityEncoding = dwarf::DW_EH_PE_absptr;
FDEEncoding = dwarf::DW_EH_PE_udata4;
TTypeEncoding = dwarf::DW_EH_PE_absptr; TTypeEncoding = dwarf::DW_EH_PE_absptr;
} }
break; break;
@ -367,13 +355,11 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4; dwarf::DW_EH_PE_sdata4;
LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4; LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel | TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
dwarf::DW_EH_PE_sdata4; dwarf::DW_EH_PE_sdata4;
} else { } else {
PersonalityEncoding = dwarf::DW_EH_PE_absptr; PersonalityEncoding = dwarf::DW_EH_PE_absptr;
LSDAEncoding = dwarf::DW_EH_PE_absptr; LSDAEncoding = dwarf::DW_EH_PE_absptr;
FDEEncoding = dwarf::DW_EH_PE_absptr;
TTypeEncoding = dwarf::DW_EH_PE_absptr; TTypeEncoding = dwarf::DW_EH_PE_absptr;
} }
break; break;
@ -777,8 +763,8 @@ void MCObjectFileInfo::InitMCObjectFileInfo(StringRef TT, Reloc::Model relocm,
IsFunctionEHFrameSymbolPrivate = true; IsFunctionEHFrameSymbolPrivate = true;
SupportsCompactUnwindWithoutEHFrame = false; SupportsCompactUnwindWithoutEHFrame = false;
PersonalityEncoding = LSDAEncoding = FDEEncoding = FDECFIEncoding = PersonalityEncoding = LSDAEncoding = FDECFIEncoding = TTypeEncoding =
TTypeEncoding = dwarf::DW_EH_PE_absptr; dwarf::DW_EH_PE_absptr;
CompactUnwindDwarfEHFrameOnly = 0; CompactUnwindDwarfEHFrameOnly = 0;