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Simplify the code in DarwinTargetAsmInfo::emitUsedDirectiveFor so that humans can understand it.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76480 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2009-07-20 21:38:26 +00:00
parent 4cef584860
commit ecc2da8efd
2 changed files with 16 additions and 17 deletions
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1
lib/CodeGen/MachOWriter.cpp
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@@ -774,4 +774,3 @@ MachOSym::MachOSym(const GlobalValue *gv, std::string name, uint8_t sect,
}
} // end namespace llvm

26
lib/Target/DarwinTargetAsmInfo.cpp
View File

@@ -107,23 +107,23 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const TargetMachine &TM)
/// emitUsedDirectiveFor - On Darwin, internally linked data beginning with
/// the PrivateGlobalPrefix or the LessPrivateGlobalPrefix does not have the
/// directive emitted (this occurs in ObjC metadata).
bool
DarwinTargetAsmInfo::emitUsedDirectiveFor(const GlobalValue* GV,
bool DarwinTargetAsmInfo::emitUsedDirectiveFor(const GlobalValue* GV,
Mangler *Mang) const {
if (GV==0)
return false;
if (!GV) return false;
/// FIXME: WHAT IS THIS?
// Check whether the mangled name has the "Private" or "LessPrivate" prefix.
if (GV->hasLocalLinkage() && !isa<Function>(GV)) {
const std::string &Name = Mang->getMangledName(GV);
const char *PGPrefix = getPrivateGlobalPrefix();
const char *LPGPrefix = getLessPrivateGlobalPrefix();
unsigned PGPLen = strlen(PGPrefix);
unsigned LPGPLen = strlen(LPGPrefix);
if (GV->hasLocalLinkage() && !isa<Function>(GV) &&
((strlen(getPrivateGlobalPrefix()) != 0 &&
Mang->getMangledName(GV).substr(0,strlen(getPrivateGlobalPrefix())) ==
getPrivateGlobalPrefix()) ||
(strlen(getLessPrivateGlobalPrefix()) != 0 &&
Mang->getMangledName(GV).substr(0,
strlen(getLessPrivateGlobalPrefix())) ==
getLessPrivateGlobalPrefix())))
if ((PGPLen != 0 && Name.substr(0, PGPLen) == PGPrefix) ||
(LPGPLen != 0 && Name.substr(0, LPGPLen) == LPGPrefix))
return false;
}
return true;
}