const-init-cxx11.cpp revision a3ca41f0c2bd1c4a752df88b283332f3b757d21e
15930a4c5224eea3b0558655f7f8c9ea027ef573eEli Friedman// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++11 | FileCheck %s 25930a4c5224eea3b0558655f7f8c9ea027ef573eEli Friedman 32d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith// FIXME: The padding in all these objects should be zero-initialized. 42d6a5670465cb3f1d811695a9f23e372508240d2Richard Smithnamespace StructUnion { 52d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct A { 62d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith int n; 72d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith double d; 82d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith union U { 92d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith constexpr U(int x) : x(x) {} 102d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith constexpr U(const char *y) : y(y) {} 112d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith int x; 122d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith const char *y; 132d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith } u; 142d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 152d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith constexpr A(int n, double d, int x) : n(n), d(d), u(x) {} 162d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith constexpr A(int n, double d, const char *y) : n(n), d(d), u(y) {} 172d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith }; 182d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 19e15c71236252c21a77c8a406246053e1cbb63ffaRichard Smith // CHECK: @_ZN11StructUnion1aE = constant {{.*}} { i32 1, double 2.000000e+00, {{.*}} { i32 3, [4 x i8] undef } } 202d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr A a(1, 2.0, 3); 212d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 22e15c71236252c21a77c8a406246053e1cbb63ffaRichard Smith // CHECK: @_ZN11StructUnion1bE = constant {{.*}} { i32 4, double 5.000000e+00, {{.*}} { i8* getelementptr inbounds ([6 x i8]* @{{.*}}, i32 0, i32 0) } } 232d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr A b(4, 5, "hello"); 242d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 252d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct B { 262d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith int n; 272d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith }; 282d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 292d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN11StructUnion1cE = global {{.*}} zeroinitializer 302d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN11StructUnion2c2E = global {{.*}} zeroinitializer 312d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith B c; 322d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith B c2 = B(); 332d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 342d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN11StructUnion1dE = global {{.*}} zeroinitializer 352d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith B d[10]; 362d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 372d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct C { 382d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith constexpr C() : c(0) {} 392d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith int c; 402d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith }; 412d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 422d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN11StructUnion1eE = global {{.*}} zeroinitializer 432d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith C e[10]; 442d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 452d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct D { 462d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith constexpr D() : d(5) {} 472d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith int d; 482d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith }; 492d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 502d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN11StructUnion1fE = global {{.*}} { i32 5 } 512d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith D f; 522d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith} 532d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 542d6a5670465cb3f1d811695a9f23e372508240d2Richard Smithnamespace BaseClass { 552d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith template<typename T, unsigned> struct X : T {}; 562d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct C { char c = 1; }; 572d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith template<unsigned... Ns> struct Cs : X<C,Ns>... {}; 582d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct N { int n = 3; }; 592d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct D { double d = 4.0; }; 602d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 612d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith template<typename ...Ts> 622d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct Test : Ts... { constexpr Test() : Ts()..., n(5) {} int n; }; 632d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 642d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith using Test1 = Test<N, C, Cs<1,2>, D, X<C,1>>; 65e15c71236252c21a77c8a406246053e1cbb63ffaRichard Smith // CHECK: @_ZN9BaseClass2t1E = constant {{.*}} { i32 3, i8 1, i8 1, i8 1, double 4.000000e+00, i8 1, i32 5 }, align 8 662d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr Test1 t1 = Test1(); 672d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 682d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct DN : D, N {}; 692d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct DND : DN, X<D,0> {}; 702d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct DNN : DN, X<N,0> {}; 71e15c71236252c21a77c8a406246053e1cbb63ffaRichard Smith // CHECK: @_ZN9BaseClass3dndE = constant {{.*}} { double 4.000000e+00, i32 3, double 4.000000e+00 } 722d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr DND dnd = DND(); 732d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // Note, N subobject is laid out in DN subobject's tail padding. 74e15c71236252c21a77c8a406246053e1cbb63ffaRichard Smith // CHECK: @_ZN9BaseClass3dnnE = constant {{.*}} { double 4.000000e+00, i32 3, i32 3 } 752d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr DNN dnn = DNN(); 762d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 772d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct E {}; 782d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct Test2 : X<E,0>, X<E,1>, X<E,2>, X<E,3> {}; 79e15c71236252c21a77c8a406246053e1cbb63ffaRichard Smith // CHECK: @_ZN9BaseClass2t2E = constant {{.*}} undef 802d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr Test2 t2 = Test2(); 812d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith} 822d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 832d6a5670465cb3f1d811695a9f23e372508240d2Richard Smithnamespace Array { 842d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN5Array3arrE = constant [2 x i32] [i32 4, i32 0] 852d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int arr[2] = { 4 }; 862d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 872d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN5Array1cE = constant [6 x [4 x i8]] [{{.*}} c"foo\00", [4 x i8] c"a\00\00\00", [4 x i8] c"bar\00", [4 x i8] c"xyz\00", [4 x i8] c"b\00\00\00", [4 x i8] c"123\00"] 882d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr char c[6][4] = { "foo", "a", { "bar" }, { 'x', 'y', 'z' }, { "b" }, '1', '2', '3' }; 892d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 902d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct C { constexpr C() : n(5) {} int n, m = 3 * n + 1; }; 91e15c71236252c21a77c8a406246053e1cbb63ffaRichard Smith // CHECK: @_ZN5Array5ctorsE = constant [3 x {{.*}}] [{{.*}} { i32 5, i32 16 }, {{.*}} { i32 5, i32 16 }, {{.*}} { i32 5, i32 16 }] 922d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern const C ctors[3]; 932d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith constexpr C ctors[3]; 942d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 952d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN5Array1dE = constant {{.*}} { [2 x i32] [i32 1, i32 2], [3 x i32] [i32 3, i32 4, i32 5] } 962d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct D { int n[2]; int m[3]; } extern constexpr d = { 1, 2, 3, 4, 5 }; 97f3908f2ae111b1b12ade2524dda71c669ed6f121Richard Smith 98f3908f2ae111b1b12ade2524dda71c669ed6f121Richard Smith struct E { 99f3908f2ae111b1b12ade2524dda71c669ed6f121Richard Smith char c[4]; 100f3908f2ae111b1b12ade2524dda71c669ed6f121Richard Smith char d[4]; 101f3908f2ae111b1b12ade2524dda71c669ed6f121Richard Smith constexpr E() : c("foo"), d("x") {} 102f3908f2ae111b1b12ade2524dda71c669ed6f121Richard Smith }; 103e15c71236252c21a77c8a406246053e1cbb63ffaRichard Smith // CHECK: @_ZN5Array1eE = constant {{.*}} { [4 x i8] c"foo\00", [4 x i8] c"x\00\00\00" } 104f3908f2ae111b1b12ade2524dda71c669ed6f121Richard Smith extern constexpr E e = E(); 1052d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith} 1062d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 1072d6a5670465cb3f1d811695a9f23e372508240d2Richard Smithnamespace MemberPtr { 1082d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct B1 { 1092d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith int a, b; 1102d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith virtual void f(); 1112d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith void g(); 1122d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith }; 1132d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct B2 { 1142d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith int c, d; 1152d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith virtual void h(); 1162d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith void i(); 1172d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith }; 1182d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct C : B1 { 1192d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith int e; 1202d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith virtual void j(); 1212d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith void k(); 1222d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith }; 1232d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith struct D : C, B2 { 1242d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith int z; 1252d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith virtual void l(); 1262d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith void m(); 1272d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith }; 1282d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 1292d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2daE = constant i64 8 1302d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2dbE = constant i64 12 1312d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2dcE = constant i64 32 1322d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2ddE = constant i64 36 1332d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2deE = constant i64 16 1342d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2dzE = constant i64 40 1352d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (D::*da) = &B1::a; 1362d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (D::*db) = &C::b; 1372d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (D::*dc) = &B2::c; 1382d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (D::*dd) = &D::d; 1392d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (D::*de) = &C::e; 1402d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (D::*dz) = &D::z; 1412d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 1422d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2baE = constant i64 8 1432d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2bbE = constant i64 12 1442d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2bcE = constant i64 8 1452d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2bdE = constant i64 12 1462d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2beE = constant i64 16 1472d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr3b1zE = constant i64 40 1482d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr3b2zE = constant i64 16 1492d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (B1::*ba) = (int(B1::*))&B1::a; 1502d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (B1::*bb) = (int(B1::*))&C::b; 1512d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (B2::*bc) = (int(B2::*))&B2::c; 1522d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (B2::*bd) = (int(B2::*))&D::d; 1532d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (B1::*be) = (int(B1::*))&C::e; 1542d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (B1::*b1z) = (int(B1::*))&D::z; 1552d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr int (B2::*b2z) = (int(B2::*))&D::z; 1562d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 1572d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2dfE = constant {{.*}} { i64 1, i64 0 } 1582d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2dgE = constant {{.*}} { i64 {{.*}}2B11gEv{{.*}}, i64 0 } 1592d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2dhE = constant {{.*}} { i64 1, i64 24 } 1602d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2diE = constant {{.*}} { i64 {{.*}}2B21iEv{{.*}}, i64 24 } 1612d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2djE = constant {{.*}} { i64 9, i64 0 } 1622d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2dkE = constant {{.*}} { i64 {{.*}}1C1kEv{{.*}}, i64 0 } 1632d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2dlE = constant {{.*}} { i64 17, i64 0 } 1642d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2dmE = constant {{.*}} { i64 {{.*}}1D1mEv{{.*}}, i64 0 } 1652d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (D::*df)() = &C::f; 1662d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (D::*dg)() = &B1::g; 1672d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (D::*dh)() = &B2::h; 1682d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (D::*di)() = &D::i; 1692d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (D::*dj)() = &C::j; 1702d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (D::*dk)() = &C::k; 1712d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (D::*dl)() = &D::l; 1722d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (D::*dm)() = &D::m; 1732d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 1742d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2bfE = constant {{.*}} { i64 1, i64 0 } 1752d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2bgE = constant {{.*}} { i64 {{.*}}2B11gEv{{.*}}, i64 0 } 1762d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2bhE = constant {{.*}} { i64 1, i64 0 } 1772d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2biE = constant {{.*}} { i64 {{.*}}2B21iEv{{.*}}, i64 0 } 1782d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2bjE = constant {{.*}} { i64 9, i64 0 } 1792d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr2bkE = constant {{.*}} { i64 {{.*}}1C1kEv{{.*}}, i64 0 } 1802d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr3b1lE = constant {{.*}} { i64 17, i64 0 } 1812d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr3b1mE = constant {{.*}} { i64 {{.*}}1D1mEv{{.*}}, i64 0 } 1822d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr3b2lE = constant {{.*}} { i64 17, i64 -24 } 1832d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith // CHECK: @_ZN9MemberPtr3b2mE = constant {{.*}} { i64 {{.*}}1D1mEv{{.*}}, i64 -24 } 1842d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B1::*bf)() = (void(B1::*)())&C::f; 1852d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B1::*bg)() = (void(B1::*)())&B1::g; 1862d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B2::*bh)() = (void(B2::*)())&B2::h; 1872d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B2::*bi)() = (void(B2::*)())&D::i; 1882d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B1::*bj)() = (void(B1::*)())&C::j; 1892d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B1::*bk)() = (void(B1::*)())&C::k; 1902d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B1::*b1l)() = (void(B1::*)())&D::l; 1912d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B1::*b1m)() = (void(B1::*)())&D::m; 1922d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B2::*b2l)() = (void(B2::*)())&D::l; 1932d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith extern constexpr void (B2::*b2m)() = (void(B2::*)())&D::m; 1942d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith} 1952d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 1967ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smithnamespace LiteralReference { 1977ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith struct Lit { 1987ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith constexpr Lit() : n(5) {} 1997ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith int n; 2007ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith }; 2017ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // FIXME: This should have static initialization, but we do not implement 2027ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // that yet. For now, just check that we don't set the (pointer) value of 2037ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // the reference to 5! 2047ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // 2057ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK: @_ZN16LiteralReference3litE = global {{.*}} null 2067ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith const Lit &lit = Lit(); 2077ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith} 2087ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 2097ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smithnamespace NonLiteralConstexpr { 2107ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith constexpr int factorial(int n) { 2117ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith return n ? factorial(n-1) * n : 1; 2127ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith } 2137ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith extern void f(int *p); 2147ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 2157ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith struct NonTrivialDtor { 2167ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith constexpr NonTrivialDtor() : n(factorial(5)), p(&n) {} 2177ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith ~NonTrivialDtor() { 2187ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith f(p); 2197ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith } 2207ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 2217ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith int n; 2227ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith int *p; 2237ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith }; 2247ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith static_assert(!__is_literal(NonTrivialDtor), ""); 2257ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK: @_ZN19NonLiteralConstexpr3ntdE = global {{.*}} { i32 120, i32* getelementptr 2267ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith NonTrivialDtor ntd; 2277ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 2287ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith struct VolatileMember { 2297ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith constexpr VolatileMember() : n(5) {} 2307ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith volatile int n; 2317ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith }; 2327ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith static_assert(!__is_literal(VolatileMember), ""); 2337ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK: @_ZN19NonLiteralConstexpr2vmE = global {{.*}} { i32 5 } 2347ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith VolatileMember vm; 2357ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 2367ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith struct Both { 2377ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith constexpr Both() : n(10) {} 2387ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith ~Both(); 2397ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith volatile int n; 2407ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith }; 2417ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK: @_ZN19NonLiteralConstexpr1bE = global {{.*}} { i32 10 } 2427ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith Both b; 2437ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 2447ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith void StaticVars() { 2457ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK: @_ZZN19NonLiteralConstexpr10StaticVarsEvE3ntd = {{.*}} { i32 120, i32* getelementptr {{.*}} 2467ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK: @_ZGVZN19NonLiteralConstexpr10StaticVarsEvE3ntd = 2477ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith static NonTrivialDtor ntd; 2487ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK: @_ZZN19NonLiteralConstexpr10StaticVarsEvE2vm = {{.*}} { i32 5 } 2497ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK-NOT: @_ZGVZN19NonLiteralConstexpr10StaticVarsEvE2vm = 2507ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith static VolatileMember vm; 2517ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK: @_ZZN19NonLiteralConstexpr10StaticVarsEvE1b = {{.*}} { i32 10 } 2527ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith // CHECK: @_ZGVZN19NonLiteralConstexpr10StaticVarsEvE1b = 2537ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith static Both b; 2547ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith } 2557ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith} 2567ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 257c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith// PR12067 258c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smithnamespace VirtualMembers { 259c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith struct A { 260c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith constexpr A(double d) : d(d) {} 261c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith virtual void f(); 262c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith double d; 263c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith }; 264c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith struct B : A { 265c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith constexpr B() : A(2.0), c{'h', 'e', 'l', 'l', 'o'} {} 266c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith constexpr B(int n) : A(n), c{'w', 'o', 'r', 'l', 'd'} {} 267c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith virtual void g(); 268c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith char c[5]; 269c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith }; 270c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith struct C { 271c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith constexpr C() : n(64) {} 272c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith int n; 273c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith }; 274c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith struct D : C, A, B { 275c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith constexpr D() : A(1.0), B(), s(5) {} 276c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith short s; 277c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith }; 278c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith struct E : D, B { 279c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith constexpr E() : B(3), c{'b','y','e'} {} 280c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith char c[3]; 281c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith }; 282c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith 283c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith // CHECK: @_ZN14VirtualMembers1eE = global { i8**, double, i32, i8**, double, [5 x i8], i16, i8**, double, [5 x i8], [3 x i8] } { i8** getelementptr inbounds ([11 x i8*]* @_ZTVN14VirtualMembers1EE, i64 0, i64 2), double 1.000000e+00, i32 64, i8** getelementptr inbounds ([11 x i8*]* @_ZTVN14VirtualMembers1EE, i64 0, i64 5), double 2.000000e+00, [5 x i8] c"hello", i16 5, i8** getelementptr inbounds ([11 x i8*]* @_ZTVN14VirtualMembers1EE, i64 0, i64 9), double 3.000000e+00, [5 x i8] c"world", [3 x i8] c"bye" } 284c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith E e; 285c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith 286c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith struct nsMemoryImpl { 287c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith virtual void f(); 288c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith }; 289c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith // CHECK: @_ZN14VirtualMembersL13sGlobalMemoryE = internal global { i8** } { i8** getelementptr inbounds ([3 x i8*]* @_ZTVN14VirtualMembers12nsMemoryImplE, i64 0, i64 2) } 290c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith static nsMemoryImpl sGlobalMemory; 291c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith} 292c22adbd40ac2fc445e41fb664777179aa5c522e3Richard Smith 2932d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith// Constant initialization tests go before this point, 2942d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith// dynamic initialization tests go after. 2952d6a5670465cb3f1d811695a9f23e372508240d2Richard Smith 2967ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// We must emit a constant initializer for NonLiteralConstexpr::ntd, but also 2977ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// emit an initializer to register its destructor. 2987ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK: define {{.*}}cxx_global_var_init{{.*}} 2997ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK-NOT: NonLiteralConstexpr 3007ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK: call {{.*}}cxa_atexit{{.*}} @_ZN19NonLiteralConstexpr14NonTrivialDtorD1Ev {{.*}} @_ZN19NonLiteralConstexpr3ntdE 3017ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK-NEXT: ret void 3027ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 3037ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// We don't need to emit any dynamic initialization for NonLiteralConstexpr::vm. 3047ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK-NOT: NonLiteralConstexpr2vm 3057ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 3067ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// We must emit a constant initializer for NonLiteralConstexpr::b, but also 3077ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// emit an initializer to register its destructor. 3087ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK: define {{.*}}cxx_global_var_init{{.*}} 3097ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK-NOT: NonLiteralConstexpr 3107ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK: call {{.*}}cxa_atexit{{.*}} @_ZN19NonLiteralConstexpr4BothD1Ev {{.*}} @_ZN19NonLiteralConstexpr1bE 3117ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK-NEXT: ret void 3127ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 3137ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK: define {{.*}}NonLiteralConstexpr10StaticVars 3147ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK-NOT: } 3157ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK: call {{.*}}cxa_atexit{{.*}}@_ZN19NonLiteralConstexpr14NonTrivialDtorD1Ev 3167ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK-NOT: } 3177ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith// CHECK: call {{.*}}cxa_atexit{{.*}}@_ZN19NonLiteralConstexpr4BothD1Ev 3187ca4850a3e3530fa6c93b64b740446e32c97f992Richard Smith 3195930a4c5224eea3b0558655f7f8c9ea027ef573eEli Friedmannamespace CrossFuncLabelDiff { 3205930a4c5224eea3b0558655f7f8c9ea027ef573eEli Friedman // Make sure we refuse to constant-fold the variable b. 321745f5147e065900267c85a5568785a1991d4838fRichard Smith constexpr long a(bool x) { return x ? 0 : (long)&&lbl + (0 && ({lbl: 0;})); } 322745f5147e065900267c85a5568785a1991d4838fRichard Smith void test() { static long b = (long)&&lbl - a(false); lbl: return; } 3235930a4c5224eea3b0558655f7f8c9ea027ef573eEli Friedman // CHECK: sub nsw i64 ptrtoint (i8* blockaddress(@_ZN18CrossFuncLabelDiff4testEv, {{.*}}) to i64), 3245930a4c5224eea3b0558655f7f8c9ea027ef573eEli Friedman // CHECK: store i64 {{.*}}, i64* @_ZZN18CrossFuncLabelDiff4testEvE1b, align 8 3255930a4c5224eea3b0558655f7f8c9ea027ef573eEli Friedman} 326ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith 327ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith// PR12012 328ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smithnamespace VirtualBase { 329ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith struct B {}; 330ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith struct D : virtual B {}; 331ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith D d; 332ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith // CHECK: call {{.*}}@_ZN11VirtualBase1DC1Ev 333ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith 334ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith template<typename T> struct X : T { 335ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith constexpr X() : T() {} 336ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith }; 337ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith X<D> x; 338ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith // CHECK: call {{.*}}@_ZN11VirtualBase1XINS_1DEEC1Ev 339ce582fe2a7aad8b14b3636ad9cac0a3b8bbb219bRichard Smith} 340a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 341a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith// PR12145 342a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smithnamespace Unreferenced { 343a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith int n; 344a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith constexpr int *p = &n; 345a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // We must not emit a load of 'p' here, since it's not odr-used. 346a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith int q = *p; 347a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK-NOT: _ZN12Unreferenced1pE 348a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK: = load i32* @_ZN12Unreferenced1nE 349a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK-NEXT: store i32 {{.*}}, i32* @_ZN12Unreferenced1qE 350a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK-NOT: _ZN12Unreferenced1pE 351a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 352a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // Technically, we are not required to substitute variables of reference types 353a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // initialized by constant expressions, because the special case for odr-use 354a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // of variables in [basic.def.odr]p2 only applies to objects. But we do so 355a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // anyway. 356a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 357a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith constexpr int &r = n; 358a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK-NOT: _ZN12Unreferenced1rE 359a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith int s = r; 360a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 361a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith const int t = 1; 362a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith const int &rt = t; 363a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith int f(int); 364a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith int u = f(rt); 365a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK: call i32 @_ZN12Unreferenced1fEi(i32 1) 366a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith} 367a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 368a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smithnamespace InitFromConst { 369a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith template<typename T> void consume(T); 370a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 371a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith const bool b = true; 372a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith const int n = 5; 373a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith const double d = 4.3; 374a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 375a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith struct S { int n = 7; S *p = 0; }; 376a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith constexpr S s = S(); 377a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith const S &r = s; 378a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith constexpr const S *p = &r; 379a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith constexpr int S::*mp = &S::n; 380a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith constexpr int a[3] = { 1, 4, 9 }; 381a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 382a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith void test() { 383a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK: call void @_ZN13InitFromConst7consumeIbEEvT_(i1 zeroext true) 384a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith consume(b); 385a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 386a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK: call void @_ZN13InitFromConst7consumeIiEEvT_(i32 5) 387a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith consume(n); 388a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 389a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK: call void @_ZN13InitFromConst7consumeIdEEvT_(double 4.300000e+00) 390a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith consume(d); 391a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 392a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK: call void @_ZN13InitFromConst7consumeIRKNS_1SEEEvT_(%"struct.InitFromConst::S"* @_ZN13InitFromConstL1sE) 393a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith consume<const S&>(s); 394a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 395a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // FIXME CHECK-NOT: call void @_ZN13InitFromConst7consumeIRKNS_1SEEEvT_(%"struct.InitFromConst::S"* @_ZN13InitFromConstL1sE) 396a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // There's no lvalue-to-rvalue conversion here, so 'r' is odr-used, and 397a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // we're permitted to emit a load of it. This seems likely to be a defect 398a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // in the standard. If we start emitting a direct reference to 's', update 399a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // this test. 400a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith consume<const S&>(r); 401a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 402a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK: call void @_ZN13InitFromConst7consumeIPKNS_1SEEEvT_(%"struct.InitFromConst::S"* @_ZN13InitFromConstL1sE) 403a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith consume(p); 404a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 405a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK: call void @_ZN13InitFromConst7consumeIMNS_1SEiEEvT_(i64 0) 406a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith consume(mp); 407a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith 408a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith // CHECK: call void @_ZN13InitFromConst7consumeIPKiEEvT_(i32* getelementptr inbounds ([3 x i32]* @_ZN13InitFromConstL1aE, i32 0, i32 0)) 409a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith consume(a); 410a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith } 411a3ca41f0c2bd1c4a752df88b283332f3b757d21eRichard Smith} 412