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Pass the Mangler by reference.

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It is never null and it is not used in casts, so there is no reason to use a
pointer. This matches how we pass TM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201025 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-02-08 14:53:28 +00:00
parent 3f2e9e5e79
commit e09411dd68
25 changed files with 103 additions and 101 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@@ -45,17 +45,17 @@ using namespace dwarf;
MCSymbol *
TargetLoweringObjectFileELF::getCFIPersonalitySymbol(const GlobalValue *GV,
Mangler *Mang,
Mangler &Mang,
MachineModuleInfo *MMI) const {
unsigned Encoding = getPersonalityEncoding();
switch (Encoding & 0x70) {
default:
report_fatal_error("We do not support this DWARF encoding yet!");
case dwarf::DW_EH_PE_absptr:
return getSymbol(*Mang, GV);
return getSymbol(Mang, GV);
case dwarf::DW_EH_PE_pcrel: {
return getContext().GetOrCreateSymbol(StringRef("DW.ref.") +
getSymbol(*Mang, GV)->getName());
getSymbol(Mang, GV)->getName());
}
}
}
@@ -88,20 +88,20 @@ void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
}
const MCExpr *TargetLoweringObjectFileELF::
getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
getTTypeGlobalReference(const GlobalValue *GV, Mangler &Mang,
MachineModuleInfo *MMI, unsigned Encoding,
MCStreamer &Streamer) const {
if (Encoding & dwarf::DW_EH_PE_indirect) {
MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
MCSymbol *SSym = getSymbolWithGlobalValueBase(*Mang, GV, ".DW.stub");
MCSymbol *SSym = getSymbolWithGlobalValueBase(Mang, GV, ".DW.stub");
// Add information about the stub reference to ELFMMI so that the stub
// gets emitted by the asmprinter.
MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
if (StubSym.getPointer() == 0) {
MCSymbol *Sym = getSymbol(*Mang, GV);
MCSymbol *Sym = getSymbol(Mang, GV);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
@@ -199,7 +199,7 @@ getELFSectionFlags(SectionKind K) {
const MCSection *TargetLoweringObjectFileELF::
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
Mangler &Mang, const TargetMachine &TM) const {
StringRef SectionName = GV->getSection();
// Infer section flags from the section name if we can.
@@ -232,7 +232,7 @@ static const char *getSectionPrefixForGlobal(SectionKind Kind) {
const MCSection *TargetLoweringObjectFileELF::
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
Mangler &Mang, const TargetMachine &TM) const {
// If we have -ffunction-section or -fdata-section then we should emit the
// global value to a uniqued section specifically for it.
bool EmitUniquedSection;
@@ -249,7 +249,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Prefix = getSectionPrefixForGlobal(Kind);
SmallString<128> Name(Prefix, Prefix+strlen(Prefix));
MCSymbol *Sym = getSymbol(*Mang, GV);
MCSymbol *Sym = getSymbol(Mang, GV);
Name.append(Sym->getName().begin(), Sym->getName().end());
StringRef Group = "";
unsigned Flags = getELFSectionFlags(Kind);
@@ -416,7 +416,7 @@ getDepLibFromLinkerOpt(StringRef LinkerOption) const {
void TargetLoweringObjectFileMachO::
emitModuleFlags(MCStreamer &Streamer,
ArrayRef<Module::ModuleFlagEntry> ModuleFlags,
Mangler *Mang, const TargetMachine &TM) const {
Mangler &Mang, const TargetMachine &TM) const {
unsigned VersionVal = 0;
unsigned ImageInfoFlags = 0;
MDNode *LinkerOptions = 0;
@@ -490,7 +490,7 @@ emitModuleFlags(MCStreamer &Streamer,
const MCSection *TargetLoweringObjectFileMachO::
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
Mangler &Mang, const TargetMachine &TM) const {
// Parse the section specifier and create it if valid.
StringRef Segment, Section;
unsigned TAA = 0, StubSize = 0;
@@ -529,7 +529,7 @@ getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
const MCSection *TargetLoweringObjectFileMachO::
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
Mangler &Mang, const TargetMachine &TM) const {
// Handle thread local data.
if (Kind.isThreadBSS()) return TLSBSSSection;
@@ -611,7 +611,7 @@ TargetLoweringObjectFileMachO::getSectionForConstant(SectionKind Kind) const {
/// not to emit the UsedDirective for some symbols in llvm.used.
// FIXME: REMOVE this (rdar://7071300)
bool TargetLoweringObjectFileMachO::
shouldEmitUsedDirectiveFor(const GlobalValue *GV, Mangler *Mang) const {
shouldEmitUsedDirectiveFor(const GlobalValue *GV, Mangler &Mang) const {
/// On Darwin, internally linked data beginning with "L" or "l" does not have
/// the directive emitted (this occurs in ObjC metadata).
if (!GV) return false;
@@ -621,7 +621,7 @@ shouldEmitUsedDirectiveFor(const GlobalValue *GV, Mangler *Mang) const {
// FIXME: ObjC metadata is currently emitted as internal symbols that have
// \1L and \0l prefixes on them. Fix them to be Private/LinkerPrivate and
// this horrible hack can go away.
MCSymbol *Sym = getSymbol(*Mang, GV);
MCSymbol *Sym = getSymbol(Mang, GV);
if (Sym->getName()[0] == 'L' || Sym->getName()[0] == 'l')
return false;
}
@@ -630,7 +630,7 @@ shouldEmitUsedDirectiveFor(const GlobalValue *GV, Mangler *Mang) const {
}
const MCExpr *TargetLoweringObjectFileMachO::
getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
getTTypeGlobalReference(const GlobalValue *GV, Mangler &Mang,
MachineModuleInfo *MMI, unsigned Encoding,
MCStreamer &Streamer) const {
// The mach-o version of this method defaults to returning a stub reference.
@@ -639,7 +639,7 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
MachineModuleInfoMachO &MachOMMI =
MMI->getObjFileInfo<MachineModuleInfoMachO>();
MCSymbol *SSym = getSymbolWithGlobalValueBase(*Mang, GV, "$non_lazy_ptr");
MCSymbol *SSym = getSymbolWithGlobalValueBase(Mang, GV, "$non_lazy_ptr");
// Add information about the stub reference to MachOMMI so that the stub
// gets emitted by the asmprinter.
@@ -647,7 +647,7 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
GV->hasHiddenVisibility() ? MachOMMI.getHiddenGVStubEntry(SSym) :
MachOMMI.getGVStubEntry(SSym);
if (StubSym.getPointer() == 0) {
MCSymbol *Sym = getSymbol(*Mang, GV);
MCSymbol *Sym = getSymbol(Mang, GV);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
@@ -661,19 +661,19 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
}
MCSymbol *TargetLoweringObjectFileMachO::
getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
getCFIPersonalitySymbol(const GlobalValue *GV, Mangler &Mang,
MachineModuleInfo *MMI) const {
// The mach-o version of this method defaults to returning a stub reference.
MachineModuleInfoMachO &MachOMMI =
MMI->getObjFileInfo<MachineModuleInfoMachO>();
MCSymbol *SSym = getSymbolWithGlobalValueBase(*Mang, GV, "$non_lazy_ptr");
MCSymbol *SSym = getSymbolWithGlobalValueBase(Mang, GV, "$non_lazy_ptr");
// Add information about the stub reference to MachOMMI so that the stub
// gets emitted by the asmprinter.
MachineModuleInfoImpl::StubValueTy &StubSym = MachOMMI.getGVStubEntry(SSym);
if (StubSym.getPointer() == 0) {
MCSymbol *Sym = getSymbol(*Mang, GV);
MCSymbol *Sym = getSymbol(Mang, GV);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
@@ -721,7 +721,7 @@ getCOFFSectionFlags(SectionKind K) {
const MCSection *TargetLoweringObjectFileCOFF::
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
Mangler &Mang, const TargetMachine &TM) const {
int Selection = 0;
unsigned Characteristics = getCOFFSectionFlags(Kind);
StringRef Name = GV->getSection();
@@ -729,7 +729,7 @@ getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
if (GV->isWeakForLinker()) {
Selection = COFF::IMAGE_COMDAT_SELECT_ANY;
Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
MCSymbol *Sym = getSymbol(*Mang, GV);
MCSymbol *Sym = getSymbol(Mang, GV);
COMDATSymName = Sym->getName();
}
return getContext().getCOFFSection(Name,
@@ -754,7 +754,7 @@ static const char *getCOFFSectionNameForUniqueGlobal(SectionKind Kind) {
const MCSection *TargetLoweringObjectFileCOFF::
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
Mangler &Mang, const TargetMachine &TM) const {
// If this global is linkonce/weak and the target handles this by emitting it
// into a 'uniqued' section name, create and return the section now.
@@ -763,7 +763,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
unsigned Characteristics = getCOFFSectionFlags(Kind);
Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
MCSymbol *Sym = getSymbol(*Mang, GV);
MCSymbol *Sym = getSymbol(Mang, GV);
return getContext().getCOFFSection(Name, Characteristics,
Kind, Sym->getName(),
COFF::IMAGE_COMDAT_SELECT_ANY);
@@ -795,7 +795,7 @@ getDepLibFromLinkerOpt(StringRef LinkerOption) const {
void TargetLoweringObjectFileCOFF::
emitModuleFlags(MCStreamer &Streamer,
ArrayRef<Module::ModuleFlagEntry> ModuleFlags,
Mangler *Mang, const TargetMachine &TM) const {
Mangler &Mang, const TargetMachine &TM) const {
MDNode *LinkerOptions = 0;
// Look for the "Linker Options" flag, since it's the only one we support.