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authorNick Lewycky <nicholas@mxc.ca>2013-09-10 05:14:39 +0000
committerNick Lewycky <nicholas@mxc.ca>2013-09-10 05:14:39 +0000
commitb39be1f38eddb47f2898fed512901e6f27aeb45e (patch)
tree239880ff0e5a81f312819700cb0f9b4526ec910b /clang/test/CodeGenCXX/move-assignment.cpp
parente2622c2accc2e865f31a497b62f9bfebf84690f4 (diff)
downloadbcm5719-llvm-b39be1f38eddb47f2898fed512901e6f27aeb45e.tar.gz
bcm5719-llvm-b39be1f38eddb47f2898fed512901e6f27aeb45e.zip
Generate code for the move assignment operator using memcpy, the same as we do
for the copy assignment operator. llvm-svn: 190385
Diffstat (limited to 'clang/test/CodeGenCXX/move-assignment.cpp')
-rw-r--r--clang/test/CodeGenCXX/move-assignment.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/move-assignment.cpp b/clang/test/CodeGenCXX/move-assignment.cpp
new file mode 100644
index 00000000000..3653eab6b7d
--- /dev/null
+++ b/clang/test/CodeGenCXX/move-assignment.cpp
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -emit-llvm -std=c++11 -o - %s -triple x86_64-pc-linux-gnu | FileCheck %s
+
+struct A {
+ A &operator=(A&&);
+};
+
+struct B {
+ A a;
+ int i;
+ bool b;
+ char c;
+ long l;
+ float f;
+};
+
+void test1() {
+ B b1, b2;
+ b1 = static_cast<B&&>(b2);
+}
+
+// CHECK-LABEL: define {{.*}} @_ZN1BaSEOS_
+// CHECK: call {{.*}} @_ZN1AaSEOS_
+// CHECK-NOT: store
+// CHECK: call {{.*}}memcpy{{.*}}, i64 24
+// CHECK-NOT: store
+// CHECK: ret
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