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[msan] Change linkage type of __msan_track_origins.

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LinkOnceODRLinkage globals may be removed in GlobalOpt if not used in the
current module.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169377 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evgeniy Stepanov
2012-12-05 12:49:41 +00:00
parent 226e0e6264
commit 61cac0619a
2 changed files with 4 additions and 1 deletions
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2
lib/Transforms/Instrumentation/MemorySanitizer.cpp
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@@ -244,7 +244,7 @@ bool MemorySanitizer::doInitialization(Module &M) {
appendToGlobalCtors(M, cast<Function>(M.getOrInsertFunction(
"__msan_init", IRB.getVoidTy(), NULL)), 0);
new GlobalVariable(M, IRB.getInt32Ty(), true, GlobalValue::LinkOnceODRLinkage,
new GlobalVariable(M, IRB.getInt32Ty(), true, GlobalValue::WeakODRLinkage,
IRB.getInt32(ClTrackOrigins), "__msan_track_origins");
// Create the callback.