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Create the new linker type "linker_private_weak_def_auto".

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It's similar to "linker_private_weak", but it's known that the address of the
object is not taken. For instance, functions that had an inline definition, but
the compiler decided not to inline it. Note, unlike linker_private and
linker_private_weak, linker_private_weak_def_auto may have only default
visibility.  The symbols are removed by the linker from the final linked image
(executable or dynamic library).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111684 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2010-08-20 22:05:50 +00:00
parent 489b29b0a4
commit 55ae515f9d
15 changed files with 91 additions and 35 deletions
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31
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -299,21 +299,22 @@ static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) {
static unsigned getEncodedLinkage(const GlobalValue *GV) {
switch (GV->getLinkage()) {
default: llvm_unreachable("Invalid linkage!");
case GlobalValue::ExternalLinkage: return 0;
case GlobalValue::WeakAnyLinkage: return 1;
case GlobalValue::AppendingLinkage: return 2;
case GlobalValue::InternalLinkage: return 3;
case GlobalValue::LinkOnceAnyLinkage: return 4;
case GlobalValue::DLLImportLinkage: return 5;
case GlobalValue::DLLExportLinkage: return 6;
case GlobalValue::ExternalWeakLinkage: return 7;
case GlobalValue::CommonLinkage: return 8;
case GlobalValue::PrivateLinkage: return 9;
case GlobalValue::WeakODRLinkage: return 10;
case GlobalValue::LinkOnceODRLinkage: return 11;
case GlobalValue::AvailableExternallyLinkage: return 12;
case GlobalValue::LinkerPrivateLinkage: return 13;
case GlobalValue::LinkerPrivateWeakLinkage: return 14;
case GlobalValue::ExternalLinkage: return 0;
case GlobalValue::WeakAnyLinkage: return 1;
case GlobalValue::AppendingLinkage: return 2;
case GlobalValue::InternalLinkage: return 3;
case GlobalValue::LinkOnceAnyLinkage: return 4;
case GlobalValue::DLLImportLinkage: return 5;
case GlobalValue::DLLExportLinkage: return 6;
case GlobalValue::ExternalWeakLinkage: return 7;
case GlobalValue::CommonLinkage: return 8;
case GlobalValue::PrivateLinkage: return 9;
case GlobalValue::WeakODRLinkage: return 10;
case GlobalValue::LinkOnceODRLinkage: return 11;
case GlobalValue::AvailableExternallyLinkage: return 12;
case GlobalValue::LinkerPrivateLinkage: return 13;
case GlobalValue::LinkerPrivateWeakLinkage: return 14;
case GlobalValue::LinkerPrivateWeakDefAutoLinkage: return 15;
}
}