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-rw-r--r--clang/lib/CodeGen/CodeGenModule.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index c54b904abcb..67059016f7d 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -1019,6 +1019,14 @@ CodeGenModule::GetOrCreateLLVMFunction(StringRef MangledName,
if (ExtraAttrs != llvm::Attribute::None)
F->addFnAttr(ExtraAttrs);
+ if (Features.AddressSanitizer) {
+ // When AddressSanitizer is enabled, set AddressSafety attribute
+ // unless __attribute__((no_address_safety_analysis)) is used.
+ const FunctionDecl *FD = cast_or_null<FunctionDecl>(D.getDecl());
+ if (!FD || !FD->hasAttr<NoAddressSafetyAnalysisAttr>())
+ F->addFnAttr(llvm::Attribute::AddressSafety);
+ }
+
// This is the first use or definition of a mangled name. If there is a
// deferred decl with this name, remember that we need to emit it at the end
// of the file.
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