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68 lines
2.5 KiB
C++
68 lines
2.5 KiB
C++
// RUN: %clang_cc1 -std=c++11 -triple aarch64-none-linux-android21 -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s
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struct Flub {
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int a = 123;
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};
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struct Foo {
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int a;
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Foo() : a(123) {}
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Foo(const Foo &other) : a(other.a) {}
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Foo(Foo &&other) noexcept : a(other.a) { other.a = 0; }
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Foo &operator=(const Foo &other) {
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if (this != &other) {
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a = other.a;
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}
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return *this;
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}
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Foo &operator=(Foo &&other) noexcept {
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if (this != &other) {
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a = other.a;
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other.a = 0;
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}
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return *this;
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}
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~Foo();
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};
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// Trivial copy/move assignment operator definitions appear at module level.
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// CIR: @_ZN4FlubaSERKS_(%arg0: !cir.ptr<!rec_Flub> {{[{][^}]*[}]}} loc({{.*}}), %arg1: !cir.ptr<!rec_Flub> {{[{][^}]*[}]}} loc({{.*}})) -> (!cir.ptr<!rec_Flub>{{.*}}) special_member<#cir.cxx_assign<!rec_Flub, copy, trivial true>>
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// CIR: @_ZN4FlubaSEOS_(%arg0: !cir.ptr<!rec_Flub> {{[{][^}]*[}]}} loc({{.*}}), %arg1: !cir.ptr<!rec_Flub> {{[{][^}]*[}]}} loc({{.*}})) -> (!cir.ptr<!rec_Flub>{{.*}}) special_member<#cir.cxx_assign<!rec_Flub, move, trivial true>>
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void trivial_func() {
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Flub f1{};
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Flub f2 = f1;
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// Trivial copy/move constructors are inlined as cir.copy
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// CIR: cir.copy {{.*}} : !cir.ptr<!rec_Flub>
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Flub f3 = static_cast<Flub&&>(f1);
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// CIR: cir.copy {{.*}} : !cir.ptr<!rec_Flub>
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f2 = f1;
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f1 = static_cast<Flub&&>(f3);
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}
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void non_trivial_func() {
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Foo f1{};
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// CIR: @_ZN3FooC2Ev(%arg0: !cir.ptr<!rec_Foo> {{[{][^}]*[}]}} loc({{.*}})) special_member<#cir.cxx_ctor<!rec_Foo, default>>
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Foo f2 = f1;
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// CIR: @_ZN3FooC2ERKS_(%arg0: !cir.ptr<!rec_Foo> {{[{][^}]*[}]}} loc({{.*}}), %arg1: !cir.ptr<!rec_Foo> {{[{][^}]*[}]}} loc({{.*}})) special_member<#cir.cxx_ctor<!rec_Foo, copy>>
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Foo f3 = static_cast<Foo&&>(f1);
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// CIR: @_ZN3FooC2EOS_(%arg0: !cir.ptr<!rec_Foo> {{[{][^}]*[}]}} loc({{.*}}), %arg1: !cir.ptr<!rec_Foo> {{[{][^}]*[}]}} loc({{.*}})) special_member<#cir.cxx_ctor<!rec_Foo, move>>
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f2 = f1;
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// CIR: @_ZN3FooaSERKS_(%arg0: !cir.ptr<!rec_Foo> {{[{][^}]*[}]}} loc({{.*}}), %arg1: !cir.ptr<!rec_Foo> {{[{][^}]*[}]}} loc({{.*}})) -> (!cir.ptr<!rec_Foo>{{.*}}) special_member<#cir.cxx_assign<!rec_Foo, copy>>
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f1 = static_cast<Foo&&>(f3);
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// CIR: @_ZN3FooaSEOS_(%arg0: !cir.ptr<!rec_Foo> {{[{][^}]*[}]}} loc({{.*}}), %arg1: !cir.ptr<!rec_Foo> {{[{][^}]*[}]}} loc({{.*}})) -> (!cir.ptr<!rec_Foo>{{.*}}) special_member<#cir.cxx_assign<!rec_Foo, move>>
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// CIR: @_ZN3FooD1Ev(!cir.ptr<!rec_Foo> {{.*}}) special_member<#cir.cxx_dtor<!rec_Foo>>
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}
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