From 0dbe2fb7758fe64568206b5bc0f1c5b106b9c806 Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Fri, 21 Dec 2012 03:17:28 +0000
Subject: Reinstate r170806, reverted in r170835, with a fix use i1 instead of
 i8 for a value-initialized bool!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170837 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGenCXX/cxx0x-initializer-array.cpp | 40 +++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'test/CodeGenCXX/cxx0x-initializer-array.cpp')

diff --git a/test/CodeGenCXX/cxx0x-initializer-array.cpp b/test/CodeGenCXX/cxx0x-initializer-array.cpp
index df689978a8..5e81ba1ff9 100644
--- a/test/CodeGenCXX/cxx0x-initializer-array.cpp
+++ b/test/CodeGenCXX/cxx0x-initializer-array.cpp
@@ -1,5 +1,7 @@
 // RUN: %clang_cc1 -triple i386-unknown-unknown -std=c++11 -S -emit-llvm -o - %s | FileCheck %s
 
+// CHECK: @[[THREE_NULL_MEMPTRS:.*]] = private constant [3 x i32] [i32 -1, i32 -1, i32 -1]
+
 struct A { int a[1]; };
 typedef A x[];
 int f() {
@@ -7,4 +9,42 @@ int f() {
   // CHECK: define i32 @_Z1fv
   // CHECK: store i32 1
   // (It's okay if the output changes here, as long as we don't crash.)
+  return 0;
+}
+
+namespace ValueInitArrayOfMemPtr {
+  struct S {};
+  typedef int (S::*p);
+  typedef p a[3];
+  void f(const a &);
+
+  struct Agg1 {
+    int n;
+    p x;
+  };
+
+  struct Agg2 {
+    int n;
+    a x;
+  };
+
+  struct S1 {
+    p x;
+    S1();
+  };
+
+  // CHECK: define void @_ZN22ValueInitArrayOfMemPtr1fEi
+  void f(int n) {
+    Agg1 a = { n };
+    // CHECK: store i32 -1,
+
+    Agg2 b = { n };
+    // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %{{.*}}, i8* bitcast ([3 x i32]* @[[THREE_NULL_MEMPTRS]] to i8*), i32 12, i32 4, i1 false)
+  }
+
+  // CHECK: define void @_ZN22ValueInitArrayOfMemPtr1gEv
+  void g() {
+    // CHECK: store i32 -1,
+    f(a{});
+  }
 }
-- 
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