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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2015-04-29 19:26:57 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2015-04-29 19:26:57 +0000 |
| commit | 419bd0941514bad6fa9d66e6f76360791389e7e0 (patch) | |
| tree | eac43af91c8b6458ab4dc6478c239e12534894fd /clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp | |
| parent | ae7e4995ca2c506200f7673d9161df2d851582fb (diff) | |
| download | bcm5719-llvm-419bd0941514bad6fa9d66e6f76360791389e7e0.tar.gz bcm5719-llvm-419bd0941514bad6fa9d66e6f76360791389e7e0.zip | |
PR23373: A defaulted union copy constructor that is not trivial must still be
emitted as a memcpy.
llvm-svn: 236142
Diffstat (limited to 'clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp b/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp index dc9ca23cdf9..4bea685dbf2 100644 --- a/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp +++ b/clang/test/CodeGenCXX/copy-constructor-synthesis-2.cpp @@ -1,4 +1,24 @@ -// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s +// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++11 -emit-llvm -o - %s | FileCheck %s + +union PR23373 { + PR23373(PR23373&) = default; + PR23373 &operator=(PR23373&) = default; + int n; + float f; +}; +extern PR23373 pr23373_a; + +PR23373 pr23373_b(pr23373_a); +// CHECK-LABEL: define {{.*}} @__cxx_global_var_init( +// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}} @pr23373_b{{.*}}, {{.*}} @pr23373_a{{.*}}, i64 4, i32 4, i1 false) + +PR23373 pr23373_f() { return pr23373_a; } +// CHECK-LABEL: define {{.*}} @_Z9pr23373_fv( +// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}, i64 4, i32 4, i1 false) + +void pr23373_g(PR23373 &a, PR23373 &b) { a = b; } +// CHECK-LABEL: define {{.*}} @_Z9pr23373_g +// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64({{.*}}, i64 4, i32 4, i1 false) struct A { virtual void a(); }; A x(A& y) { return y; } |
