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[asan] use GlobalValue::PrivateLinkage for coverage guard to save quite a bit of code size
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194800 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1187,7 +1187,7 @@ bool AddressSanitizer::InjectCoverage(Function &F) {
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IRBuilder<> IRB(F.getEntryBlock().getFirstInsertionPt());
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IRBuilder<> IRB(F.getEntryBlock().getFirstInsertionPt());
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Type *Int8Ty = IRB.getInt8Ty();
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Type *Int8Ty = IRB.getInt8Ty();
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GlobalVariable *Guard = new GlobalVariable(
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GlobalVariable *Guard = new GlobalVariable(
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*F.getParent(), Int8Ty, false, F.getLinkage(),
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*F.getParent(), Int8Ty, false, GlobalValue::PrivateLinkage,
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Constant::getNullValue(Int8Ty), "__asan_gen_cov_" + F.getName());
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Constant::getNullValue(Int8Ty), "__asan_gen_cov_" + F.getName());
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LoadInst *Load = IRB.CreateLoad(Guard);
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LoadInst *Load = IRB.CreateLoad(Guard);
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Load->setAtomic(Monotonic);
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Load->setAtomic(Monotonic);
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