| 1 | // RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++11 -emit-llvm -o - %s | FileCheck %s |
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| 2 | |
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| 3 | union PR23373 { |
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| 4 | PR23373(PR23373&) = default; |
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| 5 | PR23373 &operator=(PR23373&) = default; |
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| 6 | int n; |
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| 7 | float f; |
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| 8 | }; |
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| 9 | extern PR23373 pr23373_a; |
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| 10 | |
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| 11 | PR23373 pr23373_b(pr23373_a); |
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| 12 | // CHECK-LABEL: define {{.*}} @__cxx_global_var_init( |
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| 13 | // CHECK: call void @llvm.memcpy.p0i8.p0i8.{{i32|i64}}({{.*}}align 4{{.*}}@pr23373_b{{.*}}, {{.*}}align 4{{.*}} @pr23373_a{{.*}}, [[W:i32|i64]] 4, i1 false) |
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| 14 | |
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| 15 | PR23373 pr23373_f() { return pr23373_a; } |
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| 16 | // CHECK-LABEL: define {{.*}} @_Z9pr23373_fv( |
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| 17 | // CHECK: call void @llvm.memcpy.p0i8.p0i8.[[W]]({{.*}}align 4{{.*}}align 4{{.*}}, [[W]] 4, i1 false) |
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| 18 | |
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| 19 | void pr23373_g(PR23373 &a, PR23373 &b) { a = b; } |
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| 20 | // CHECK-LABEL: define {{.*}} @_Z9pr23373_g |
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| 21 | // CHECK: call void @llvm.memcpy.p0i8.p0i8.[[W]]({{.*}}align 4{{.*}}align 4{{.*}}, [[W]] 4, i1 false) |
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| 22 | |
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| 23 | struct A { virtual void a(); }; |
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| 24 | A x(A& y) { return y; } |
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| 25 | |
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| 26 | // CHECK: define linkonce_odr {{.*}} @_ZN1AC1ERKS_(%struct.A* {{.*}}%this, %struct.A* dereferenceable({{[0-9]+}})) unnamed_addr |
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| 27 | // CHECK: store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTV1A, i32 0, inrange i32 0, i32 2) to i32 (...)**) |
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| 28 | |
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