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| author | dim <dim@FreeBSD.org> | 2013-04-08 18:45:10 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2013-04-08 18:45:10 +0000 |
| commit | c72c57c9e9b69944e3e009cd5e209634839581d3 (patch) | |
| tree | 4fc2f184c499d106f29a386c452b49e5197bf63d /test/CodeGenCXX/assign-operator.cpp | |
| parent | 5b20025c30d23d521e12c1f33ec8fa6b821952cd (diff) | |
| download | FreeBSD-src-c72c57c9e9b69944e3e009cd5e209634839581d3.zip FreeBSD-src-c72c57c9e9b69944e3e009cd5e209634839581d3.tar.gz | |
Vendor import of clang trunk r178860:
http://llvm.org/svn/llvm-project/cfe/trunk@178860
Diffstat (limited to 'test/CodeGenCXX/assign-operator.cpp')
| -rw-r--r-- | test/CodeGenCXX/assign-operator.cpp | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/test/CodeGenCXX/assign-operator.cpp b/test/CodeGenCXX/assign-operator.cpp index e19df27..40695b7 100644 --- a/test/CodeGenCXX/assign-operator.cpp +++ b/test/CodeGenCXX/assign-operator.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -verify -o - |FileCheck %s +// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o - -std=c++11 |FileCheck %s class x { public: int operator=(int); @@ -28,3 +28,27 @@ namespace test1 { A<int> a; } + +// Ensure that we use memcpy when we would have selected a trivial assignment +// operator, even for a non-trivially-copyable type. +struct A { + A &operator=(const A&); +}; +struct B { + B(const B&); + B &operator=(const B&) = default; + int n; +}; +struct C { + A a; + B b[16]; +}; +void b(C &a, C &b) { + // CHECK: define {{.*}} @_ZN1CaSERKS_( + // CHECK: call {{.*}} @_ZN1AaSERKS_( + // CHECK-NOT: call {{.*}} @_ZN1BaSERKS_( + // CHECK: call {{.*}} @{{.*}}memcpy + // CHECK-NOT: call {{.*}} @_ZN1BaSERKS_( + // CHECK: } + a = b; +} |
