From cb30590da10ba80a133222588efedab7e5fc9bdd Mon Sep 17 00:00:00 2001
From: Hiroshi Yamauchi <yamauchi@google.com>
Date: Thu, 8 Aug 2019 18:00:49 +0000
Subject: Recommit Devirtualize destructor of final class.

Original patch commited as r364100, reverted as r364359, recommitted as r365509,
reverted as r365850.

llvm-svn: 368323
---
 clang/test/CodeGenCXX/devirtualize-dtor-final.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 clang/test/CodeGenCXX/devirtualize-dtor-final.cpp

(limited to 'clang/test/CodeGenCXX/devirtualize-dtor-final.cpp')

diff --git a/clang/test/CodeGenCXX/devirtualize-dtor-final.cpp b/clang/test/CodeGenCXX/devirtualize-dtor-final.cpp
new file mode 100644
index 00000000000..ea11be773f2
--- /dev/null
+++ b/clang/test/CodeGenCXX/devirtualize-dtor-final.cpp
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -triple i386-unknown-unknown -std=c++11 %s -emit-llvm -o - | FileCheck %s
+
+namespace Test1 {
+  struct A { virtual ~A() {} };
+  struct B final : A {};
+  struct C : A { virtual ~C() final {} };
+  struct D { virtual ~D() final = 0; };
+  // CHECK-LABEL: define void @_ZN5Test13fooEPNS_1BE
+  void foo(B *b) {
+    // CHECK: call void @_ZN5Test11BD1Ev
+    delete b;
+  }
+  // CHECK-LABEL: define void @_ZN5Test14foo2EPNS_1CE
+  void foo2(C *c) {
+    // CHECK: call void @_ZN5Test11CD1Ev
+    delete c;
+  }
+  // CHECK-LABEL: define void @_ZN5Test14evilEPNS_1DE
+  void evil(D *p) {
+    // CHECK-NOT: call void @_ZN5Test11DD1Ev
+    delete p;
+  }
+}
-- 
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