PR12670: Support for initializing an array of non-aggregate class type from an

initializer list. Patch by Olivier Goffart, with extra testcases by Meador Inge
and Daniel Lunow.

llvm-svn: 159896

1 files changed, 37 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/cxx0x-initializer-constructors.cpp b/clang/test/CodeGenCXX/cxx0x-initializer-constructors.cpp
new file mode 100644
index 00000000000..e141f30ccac
--- /dev/null
+++ b/clang/test/CodeGenCXX/cxx0x-initializer-constructors.cpp
@@ -0,0 +1,37 @@
+// RUN: %clang_cc1 -std=c++11 -S -emit-llvm -o - %s | FileCheck %s
+
+struct S {
+  S(int x) { }
+  S(int x, double y, double z) { }
+};
+
+void fn1() {
+  // CHECK: define void @_Z3fn1v
+  S s { 1 };
+  // CHECK: alloca %struct.S, align 1
+  // CHECK: call void @_ZN1SC1Ei(%struct.S* %s, i32 1)
+}
+
+void fn2() {
+  // CHECK: define void @_Z3fn2v
+  S s { 1, 2.0, 3.0 };
+  // CHECK: alloca %struct.S, align 1
+  // CHECK: call void @_ZN1SC1Eidd(%struct.S* %s, i32 1, double 2.000000e+00, double 3.000000e+00)
+}
+
+void fn3() {
+  // CHECK: define void @_Z3fn3v
+  S sa[] { { 1 }, { 2 }, { 3 } };
+  // CHECK: alloca [3 x %struct.S], align 1
+  // CHECK: call void @_ZN1SC1Ei(%struct.S* %arrayinit.begin, i32 1)
+  // CHECK: call void @_ZN1SC1Ei(%struct.S* %arrayinit.element, i32 2)
+  // CHECK: call void @_ZN1SC1Ei(%struct.S* %arrayinit.element1, i32 3)
+}
+
+void fn4() {
+  // CHECK: define void @_Z3fn4v
+  S sa[] { { 1, 2.0, 3.0 }, { 4, 5.0, 6.0 } };
+  // CHECK: alloca [2 x %struct.S], align 1
+  // CHECK: call void @_ZN1SC1Eidd(%struct.S* %arrayinit.begin, i32 1, double 2.000000e+00, double 3.000000e+00)
+  // CHECK: call void @_ZN1SC1Eidd(%struct.S* %arrayinit.element, i32 4, double 5.000000e+00, double 6.000000e+00)
+}