The only case I recall seeing @llvm.{stacksave,stackrestore} use was when LLVM inlined a function with a non-entry-block-alloca into another function, where the

The only case I recall seeing @llvm.{stacksave,stackrestore} use was when LLVM inlined a function with a non-entry-block-alloca into another function, where the intrinsics got added immediately before/after what used to be the function call.