Author: Brad Smith Date: 2020-08-28T11:45:57+02:00 New Revision: 97ac9e82002d6b12831ca2c78f739cca65a4fa05
URL: https://github.com/llvm/llvm-project/commit/97ac9e82002d6b12831ca2c78f739cca65a4fa05 DIFF: https://github.com/llvm/llvm-project/commit/97ac9e82002d6b12831ca2c78f739cca65a4fa05.diff LOG: [SSP] Restore setting the visibility of __guard_local to hidden for better code generation. Patch by: Philip Guenther (cherry picked from commit d870e363263835bec96c83f51b20e64722cad742) Added: Modified: llvm/lib/CodeGen/TargetLoweringBase.cpp Removed: ################################################################################ diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp index 2c94c2c62e5f..42c1fa8af0e6 100644 --- a/llvm/lib/CodeGen/TargetLoweringBase.cpp +++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp @@ -1827,7 +1827,10 @@ Value *TargetLoweringBase::getIRStackGuard(IRBuilder<> &IRB) const { if (getTargetMachine().getTargetTriple().isOSOpenBSD()) { Module &M = *IRB.GetInsertBlock()->getParent()->getParent(); PointerType *PtrTy = Type::getInt8PtrTy(M.getContext()); - return M.getOrInsertGlobal("__guard_local", PtrTy); + Constant *C = M.getOrInsertGlobal("__guard_local", PtrTy); + if (GlobalVariable *G = dyn_cast_or_null<GlobalVariable>(C)) + G->setVisibility(GlobalValue::HiddenVisibility); + return C; } return nullptr; } _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
