================
@@ -2749,6 +2749,15 @@ void
CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D,
B.addAttribute("aarch64_new_zt0");
}
+ // Handle flatten_deep attribute for depth-based inlining
+ if (const auto *FD = dyn_cast<FunctionDecl>(D)) {
+ if (const FlattenDeepAttr *FDA = FD->getAttr<FlattenDeepAttr>()) {
+ // Add the flatten_deep attribute with the max depth value as a typed int
+ // attribute
+ B.addRawIntAttr(llvm::Attribute::FlattenDeep, FDA->getMaxDepth());
----------------
yuxuanchen1997 wrote:
`addRawIntAttr` doesn't seem to be widely used outside of
`llvm/IR/Attributes.cpp`. Can you not use `addFlattenDeepAttr`?
https://github.com/llvm/llvm-project/pull/165777
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