6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-27 14:34:58 +00:00
Code Issues Projects Releases Wiki Activity

the 'isWeakForLinker' code is common between functions and globals, hoist it

Browse Source 
and simplify some other code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76949 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-07-24 04:52:38 +00:00
parent 55acc6807f
commit f76280de82
1 changed files with 44 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

99
lib/Target/ELFTargetAsmInfo.cpp
View File

@ -77,65 +77,54 @@ const Section*
ELFTargetAsmInfo::SelectSectionForGlobal(const GlobalValue *GV) const {
SectionKind::Kind Kind = SectionKindForGlobal(GV);
if (GV->isWeakForLinker()) {
// FIXME: Use mangler interface (PR4584).
std::string Name = getSectionPrefixForUniqueGlobal(Kind)+GV->getName();
unsigned Flags = SectionFlagsForGlobal(GV, Name.c_str());
return getNamedSection(Name.c_str(), Flags);
}
if (const Function *F = dyn_cast<Function>(GV)) {
switch (F->getLinkage()) {
default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
case Function::LinkerPrivateLinkage:
case Function::InternalLinkage:
case Function::DLLExportLinkage:
case Function::ExternalLinkage:
return TextSection;
case Function::WeakAnyLinkage:
case Function::WeakODRLinkage:
case Function::LinkOnceAnyLinkage:
case Function::LinkOnceODRLinkage:
// FIXME: Use mangler interface (PR4584).
std::string Name = getSectionPrefixForUniqueGlobal(Kind)+GV->getName();
unsigned Flags = SectionFlagsForGlobal(GV, Name.c_str());
return getNamedSection(Name.c_str(), Flags);
default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
case Function::LinkerPrivateLinkage:
case Function::InternalLinkage:
case Function::DLLExportLinkage:
case Function::ExternalLinkage:
return TextSection;
}
} else if (const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV)) {
if (GVar->isWeakForLinker()) {
// FIXME: Use mangler interface (PR4584).
std::string Name = getSectionPrefixForUniqueGlobal(Kind)+GV->getName();
unsigned Flags = SectionFlagsForGlobal(GVar, Name.c_str());
return getNamedSection(Name.c_str(), Flags);
} else {
switch (Kind) {
case SectionKind::Data:
case SectionKind::DataRel:
return DataRelSection;
case SectionKind::DataRelLocal:
return DataRelLocalSection;
case SectionKind::DataRelRO:
return DataRelROSection;
case SectionKind::DataRelROLocal:
return DataRelROLocalSection;
case SectionKind::BSS:
return getBSSSection_();
case SectionKind::ROData:
return getReadOnlySection();
case SectionKind::RODataMergeStr:
return MergeableStringSection(GVar);
case SectionKind::RODataMergeConst: {
const Type *Ty = GVar->getInitializer()->getType();
const TargetData *TD = TM.getTargetData();
return getSectionForMergableConstant(TD->getTypeAllocSize(Ty), 0);
}
case SectionKind::ThreadData:
// ELF targets usually support TLS stuff
return TLSDataSection;
case SectionKind::ThreadBSS:
return TLSBSSSection;
default:
llvm_unreachable("Unsuported section kind for global");
}
} else {
const GlobalVariable *GVar = cast<GlobalVariable>(GV);
switch (Kind) {
default: llvm_unreachable("Unsuported section kind for global");
case SectionKind::Data:
case SectionKind::DataRel:
return DataRelSection;
case SectionKind::DataRelLocal:
return DataRelLocalSection;
case SectionKind::DataRelRO:
return DataRelROSection;
case SectionKind::DataRelROLocal:
return DataRelROLocalSection;
case SectionKind::BSS:
return getBSSSection_();
case SectionKind::ROData:
return getReadOnlySection();
case SectionKind::RODataMergeStr:
return MergeableStringSection(GVar);
case SectionKind::RODataMergeConst: {
const Type *Ty = GVar->getInitializer()->getType();
const TargetData *TD = TM.getTargetData();
return getSectionForMergableConstant(TD->getTypeAllocSize(Ty), 0);
}
} else
llvm_unreachable("Unsupported global");
return NULL;
case SectionKind::ThreadData:
// ELF targets usually support TLS stuff
return TLSDataSection;
case SectionKind::ThreadBSS:
return TLSBSSSection;
}
}
}
/// getSectionForMergableConstant - Given a mergable constant with the