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Remove HasLEB128.

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We already require CFI, so it should be safe to require .leb128 and .uleb128.

llvm-svn: 215712
This commit is contained in:
Rafael Espindola 2014-08-15 14:01:07 +00:00
parent e465c7fab0
commit 80b0c0c71c
15 changed files with 7 additions and 21 deletions
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4
include/llvm/MC/MCAsmInfo.h
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@ -295,9 +295,6 @@ protected:
//===--- Dwarf Emission Directives -----------------------------------===//
/// True if target asm supports leb128 directives. Defaults to false.
bool HasLEB128;
/// True if target supports emission of debugging information. Defaults to
/// false.
bool SupportsDebugInformation;
@ -471,7 +468,6 @@ public:
MCSymbolAttr getProtectedVisibilityAttr() const {
return ProtectedVisibilityAttr;
}
bool hasLEB128() const { return HasLEB128; }
bool doesSupportDebugInformation() const { return SupportsDebugInformation; }
bool doesSupportExceptionHandling() const {
return ExceptionsType != ExceptionHandling::None;

1
lib/MC/MCAsmInfo.cpp
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@ -79,7 +79,6 @@ MCAsmInfo::MCAsmInfo() {
HiddenVisibilityAttr = MCSA_Hidden;
HiddenDeclarationVisibilityAttr = MCSA_Hidden;
ProtectedVisibilityAttr = MCSA_Protected;
HasLEB128 = false;
SupportsDebugInformation = false;
ExceptionsType = ExceptionHandling::None;
WinEHEncodingType = WinEH::EncodingType::ET_Invalid;

1
lib/MC/MCAsmInfoCOFF.cpp
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@ -32,7 +32,6 @@ MCAsmInfoCOFF::MCAsmInfoCOFF() {
ProtectedVisibilityAttr = MCSA_Invalid;
// Set up DWARF directives
HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
SupportsDebugInformation = true;
NeedsDwarfSectionOffsetDirective = true;

2
lib/MC/MCAsmStreamer.cpp
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@ -700,7 +700,6 @@ void MCAsmStreamer::EmitULEB128Value(const MCExpr *Value) {
EmitULEB128IntValue(IntValue);
return;
}
assert(MAI->hasLEB128() && "Cannot print a .uleb");
OS << ".uleb128 " << *Value;
EmitEOL();
}
@ -711,7 +710,6 @@ void MCAsmStreamer::EmitSLEB128Value(const MCExpr *Value) {
EmitSLEB128IntValue(IntValue);
return;
}
assert(MAI->hasLEB128() && "Cannot print a .sleb");
OS << ".sleb128 " << *Value;
EmitEOL();
}

1
lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.cpp
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@ -89,7 +89,6 @@ AArch64MCAsmInfoELF::AArch64MCAsmInfoELF(StringRef TT) {
WeakRefDirective = "\t.weak\t";
HasLEB128 = true;
SupportsDebugInformation = true;
// Exceptions handling

2
lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp
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@ -55,7 +55,6 @@ ARMELFMCAsmInfo::ARMELFMCAsmInfo(StringRef TT) {
Code16Directive = ".code\t16";
Code32Directive = ".code\t32";
HasLEB128 = true;
SupportsDebugInformation = true;
// Exceptions handling
@ -103,7 +102,6 @@ ARMCOFFMCAsmInfoGNU::ARMCOFFMCAsmInfoGNU() {
Code32Directive = ".code\t32";
PrivateGlobalPrefix = ".L";
HasLEB128 = true;
SupportsDebugInformation = true;
ExceptionsType = ExceptionHandling::None;
UseParensForSymbolVariant = true;

1
lib/Target/Hexagon/MCTargetDesc/HexagonMCAsmInfo.cpp
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@ -24,7 +24,6 @@ HexagonMCAsmInfo::HexagonMCAsmInfo(StringRef TT) {
Data64bitsDirective = nullptr; // .xword is only supported by V9.
ZeroDirective = "\t.skip\t";
CommentString = "//";
HasLEB128 = true;
LCOMMDirectiveAlignmentType = LCOMM::ByteAlignment;
InlineAsmStart = "# InlineAsm Start";

1
lib/Target/Mips/MCTargetDesc/MipsMCAsmInfo.cpp
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@ -41,6 +41,5 @@ MipsMCAsmInfo::MipsMCAsmInfo(StringRef TT) {
UseAssignmentForEHBegin = true;
SupportsDebugInformation = true;
ExceptionsType = ExceptionHandling::DwarfCFI;
HasLEB128 = true;
DwarfRegNumForCFI = true;
}

1
lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
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@ -64,7 +64,6 @@ PPCELFMCAsmInfo::PPCELFMCAsmInfo(bool is64Bit, const Triple& T) {
DollarIsPC = true;
// Set up DWARF directives
HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
MinInstAlignment = 4;
// Exceptions handling

1
lib/Target/R600/MCTargetDesc/AMDGPUMCAsmInfo.cpp
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@ -52,7 +52,6 @@ AMDGPUMCAsmInfo::AMDGPUMCAsmInfo(StringRef &TT) : MCAsmInfo() {
HasNoDeadStrip = true;
WeakRefDirective = ".weakref\t";
//===--- Dwarf Emission Directives -----------------------------------===//
HasLEB128 = true;
SupportsDebugInformation = true;
}

1
lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
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@ -35,7 +35,6 @@ SparcELFMCAsmInfo::SparcELFMCAsmInfo(StringRef TT) {
Data64bitsDirective = (isV9) ? "\t.xword\t" : nullptr;
ZeroDirective = "\t.skip\t";
CommentString = "!";
HasLEB128 = true;
SupportsDebugInformation = true;
ExceptionsType = ExceptionHandling::DwarfCFI;

1
lib/Target/SystemZ/MCTargetDesc/SystemZMCAsmInfo.cpp
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@ -23,7 +23,6 @@ SystemZMCAsmInfo::SystemZMCAsmInfo(StringRef TT) {
Data64bitsDirective = "\t.quad\t";
UsesELFSectionDirectiveForBSS = true;
SupportsDebugInformation = true;
HasLEB128 = true;
ExceptionsType = ExceptionHandling::DwarfCFI;
}

3
lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
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@ -102,9 +102,6 @@ X86ELFMCAsmInfo::X86ELFMCAsmInfo(const Triple &T) {
TextAlignFillValue = 0x90;
// Set up DWARF directives
HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
// Debug Information
SupportsDebugInformation = true;

1
lib/Target/XCore/MCTargetDesc/XCoreMCAsmInfo.cpp
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@ -28,7 +28,6 @@ XCoreMCAsmInfo::XCoreMCAsmInfo(StringRef TT) {
ProtectedVisibilityAttr = MCSA_Invalid;
// Debug
HasLEB128 = true;
ExceptionsType = ExceptionHandling::DwarfCFI;
DwarfRegNumForCFI = true;
}

7
test/MC/X86/macho-uleb.s Normal file
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@ -0,0 +1,7 @@
// RUN: llvm-mc -triple=x86_64-apple-darwin %s | FileCheck %s
a:
b:
.uleb128 a-b
// CHECK: .uleb128 a-b