Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3):

https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841

1 files changed, 48 insertions, 0 deletions

diff --git a/test/CodeGenCXX/const-init-cxx1y.cpp b/test/CodeGenCXX/const-init-cxx1y.cpp
new file mode 100644
index 0000000..978c428
--- /dev/null
+++ b/test/CodeGenCXX/const-init-cxx1y.cpp
@@ -0,0 +1,48 @@
+// RUN: not %clang_cc1 -verify -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++1y | FileCheck %s
+
+struct A {
+  constexpr A() : n(1) {}
+  ~A();
+  int n;
+};
+struct B : A {
+  A a[3];
+  constexpr B() {
+    ++a[0].n;
+    a[1].n += 2;
+    a[2].n = n + a[1].n;
+  }
+};
+B b;
+
+// CHECK: @b = global {{.*}} i32 1, {{.*}} { i32 2 }, {{.*}} { i32 3 }, {{.*}} { i32 4 }
+// CHECK-NOT: _ZN1BC
+
+namespace ModifyStaticTemporary {
+  struct A { int &&temporary; int x; };
+  constexpr int f(int &r) { r *= 9; return r - 12; }
+  A a = { 6, f(a.temporary) };
+  // CHECK: @_ZGRN21ModifyStaticTemporary1aE = private global i32 54
+  // CHECK: @_ZN21ModifyStaticTemporary1aE = global {{.*}} i32* @_ZGRN21ModifyStaticTemporary1aE, i32 42
+
+  A b = { 7, ++b.temporary };
+  // CHECK: @_ZGRN21ModifyStaticTemporary1bE = private global i32 8
+  // CHECK: @_ZN21ModifyStaticTemporary1bE = global {{.*}} i32* @_ZGRN21ModifyStaticTemporary1bE, i32 8
+
+  // Can't emit all of 'c' as a constant here, so emit the initial value of
+  // 'c.temporary', not the value as modified by the partial evaluation within
+  // the initialization of 'c.x'.
+  A c = { 10, (++c.temporary, b.x) };
+  // CHECK: @_ZGRN21ModifyStaticTemporary1cE = private global i32 10
+  // CHECK: @_ZN21ModifyStaticTemporary1cE = global {{.*}} zeroinitializer
+}
+
+// CHECK: __cxa_atexit({{.*}} @_ZN1BD1Ev {{.*}} @b
+
+// CHECK: define
+// CHECK-NOT: @_ZGRN21ModifyStaticTemporary1cE
+// CHECK: store {{.*}} @_ZGRN21ModifyStaticTemporary1cE, {{.*}} @_ZN21ModifyStaticTemporary1cE
+// CHECK: add
+// CHECK: store
+// CHECK: load {{.*}} @_ZN21ModifyStaticTemporary1bE
+// CHECK: store {{.*}} @_ZN21ModifyStaticTemporary1cE