[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
This commit is contained in:
Kostya Serebryany 2013-11-15 09:52:05 +00:00
parent d881c1bdd1
commit 8f15c68222

View File

@ -1187,7 +1187,7 @@ bool AddressSanitizer::InjectCoverage(Function &F) {
IRBuilder<> IRB(F.getEntryBlock().getFirstInsertionPt());
Type *Int8Ty = IRB.getInt8Ty();
GlobalVariable *Guard = new GlobalVariable(
*F.getParent(), Int8Ty, false, F.getLinkage(),
*F.getParent(), Int8Ty, false, GlobalValue::PrivateLinkage,
Constant::getNullValue(Int8Ty), "__asan_gen_cov_" + F.getName());
LoadInst *Load = IRB.CreateLoad(Guard);
Load->setAtomic(Monotonic);