From c99fa0b80cc96424e2dd62f36af99934940f9a16 Mon Sep 17 00:00:00 2001 From: Richard Smith Date: Tue, 4 Feb 2020 11:43:15 -0800 Subject: [PATCH] Additional testcase for 0130b6cb5a8. --- clang/test/CodeGenCXX/dereferenceable.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 clang/test/CodeGenCXX/dereferenceable.cpp diff --git a/clang/test/CodeGenCXX/dereferenceable.cpp b/clang/test/CodeGenCXX/dereferenceable.cpp new file mode 100644 index 000000000000..df8e6acab2db --- /dev/null +++ b/clang/test/CodeGenCXX/dereferenceable.cpp @@ -0,0 +1,15 @@ +// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s + +struct A { void *p; void *q; void *r; }; + +struct B : A {}; +static_assert(sizeof(B) == 24); + +// CHECK: define dereferenceable(24) {{.*}} @_Z1fR1B({{.*}} dereferenceable(24) +B &f(B &b) { return b; } + +struct C : virtual A {}; +static_assert(sizeof(C) == 32); + +// CHECK: define dereferenceable(8) {{.*}} @_Z1fR1C({{.*}} dereferenceable(8) +C &f(C &c) { return c; }