summaryrefslogtreecommitdiff
path: root/test/CodeGenCXX/copy-constructor-elim.cpp
diff options
context:
space:
mode:
authorDimitry Andric <dim@FreeBSD.org>2015-05-27 18:47:56 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-05-27 18:47:56 +0000
commit5e20cdd81c44a443562a09007668ffdf76c455af (patch)
treedbbd4047878da71c1a706e26ce05b4e7791b14cc /test/CodeGenCXX/copy-constructor-elim.cpp
parentd5f23b0b7528b5c3caed1ba14f897cc4aaa9e3c3 (diff)
Notes
Diffstat (limited to 'test/CodeGenCXX/copy-constructor-elim.cpp')
-rw-r--r--test/CodeGenCXX/copy-constructor-elim.cpp14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGenCXX/copy-constructor-elim.cpp b/test/CodeGenCXX/copy-constructor-elim.cpp
index 8e9bee973771f..d9b28ce30e917 100644
--- a/test/CodeGenCXX/copy-constructor-elim.cpp
+++ b/test/CodeGenCXX/copy-constructor-elim.cpp
@@ -43,3 +43,17 @@ int main() {
S s;
Call(s);
}
+
+struct V {
+ int x;
+};
+
+typedef V V_over_aligned __attribute((aligned(8)));
+extern const V_over_aligned gv1 = {};
+
+extern "C" V f() { return gv1; }
+
+// Make sure that we obey the destination's alignment requirements when emitting
+// the copy.
+// CHECK-LABEL: define {{.*}} @f(
+// CHECK: call void @llvm.memcpy.p0i8.p0i8.{{i64|i32}}({{.*}}, i8* bitcast (%struct.V* @gv1 to i8*), {{i64|i32}} 4, i32 4, i1 false)