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Remove linkonce_odr_auto_hide.

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linkonce_odr_auto_hide was in incomplete attempt to implement a way
for the linker to hide symbols that are known to be available in every
TU and whose addresses are not relevant for a particular DSO.

It was redundant in that it all its uses are equivalent to
linkonce_odr+unnamed_addr. Unlike those, it has never been connected
to clang or llvm's optimizers, so it was effectively dead.

Given that nothing produces it, this patch just nukes it
(other than the llvm-c enum value).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193865 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-11-01 17:09:14 +00:00
parent 307cfaeaf0
commit 19794da02c
16 changed files with 12 additions and 58 deletions
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lib/Bitcode/Reader/BitcodeReader.cpp
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@ -90,7 +90,6 @@ static GlobalValue::LinkageTypes GetDecodedLinkage(unsigned Val) {
case 12: return GlobalValue::AvailableExternallyLinkage;
case 13: return GlobalValue::LinkerPrivateLinkage;
case 14: return GlobalValue::LinkerPrivateWeakLinkage;
case 15: return GlobalValue::LinkOnceODRAutoHideLinkage;
}
}