1f4a2713aSLionel Sambuc // RUN: %clang_cc1 -std=c++1y %s -triple x86_64-linux-gnu -emit-llvm -o - | FileCheck %s 2f4a2713aSLionel Sambuc 3f4a2713aSLionel Sambuc struct A { 4f4a2713aSLionel Sambuc int n = 0; 5f4a2713aSLionel Sambuc const char *p; 6f4a2713aSLionel Sambuc char k = p[n]; 7f4a2713aSLionel Sambuc int f(); 8f4a2713aSLionel Sambuc int x = f(); 9f4a2713aSLionel Sambuc union { 10f4a2713aSLionel Sambuc char c; 11f4a2713aSLionel Sambuc double d = 1.0; 12f4a2713aSLionel Sambuc }; 13f4a2713aSLionel Sambuc }; 14f4a2713aSLionel Sambuc 15f4a2713aSLionel Sambuc int f(); 16f4a2713aSLionel Sambuc 17f4a2713aSLionel Sambuc union B { 18f4a2713aSLionel Sambuc int a; 19f4a2713aSLionel Sambuc int f(); 20f4a2713aSLionel Sambuc int b = f(); 21f4a2713aSLionel Sambuc }; 22f4a2713aSLionel Sambuc 23f4a2713aSLionel Sambuc A a { .p = "foobar" }; 24f4a2713aSLionel Sambuc A b { 4, "bazquux", .x = 42, .c = 9 }; 25f4a2713aSLionel Sambuc A c { 1, 0, 'A', f(), { 3 } }; 26f4a2713aSLionel Sambuc 27f4a2713aSLionel Sambuc // CHECK: @[[STR_A:.*]] = {{.*}} [7 x i8] c"foobar\00" 28f4a2713aSLionel Sambuc // CHECK: @a = global {{.*}} zeroinitializer 29f4a2713aSLionel Sambuc 30f4a2713aSLionel Sambuc // @b has a constant initializer 31f4a2713aSLionel Sambuc // CHECK: @[[STR_B:.*]] = {{.*}} [8 x i8] c"bazquux\00" 32f4a2713aSLionel Sambuc // CHECK: @b = global {{.*}} i32 4, {{.*}} @[[STR_B]], {{.*}} i8 117, i32 42, {{.*}} i8 9 33f4a2713aSLionel Sambuc 34f4a2713aSLionel Sambuc B x; 35f4a2713aSLionel Sambuc B y {}; 36f4a2713aSLionel Sambuc B z { 1 }; 37f4a2713aSLionel Sambuc // CHECK: @z = global {{.*}} { i32 1 } 38f4a2713aSLionel Sambuc 39*0a6a1f1dSLionel Sambuc // Brace initialization should initialize the first field even though it is 40*0a6a1f1dSLionel Sambuc // unnamed. 41*0a6a1f1dSLionel Sambuc union C { 42*0a6a1f1dSLionel Sambuc struct { 43*0a6a1f1dSLionel Sambuc int C::*memptr; 44*0a6a1f1dSLionel Sambuc }; 45*0a6a1f1dSLionel Sambuc }; 46*0a6a1f1dSLionel Sambuc 47*0a6a1f1dSLionel Sambuc C n{}; 48*0a6a1f1dSLionel Sambuc // CHECK: @n = global %union.C { %struct.anon { i64 -1 } }, align 8 49*0a6a1f1dSLionel Sambuc 50f4a2713aSLionel Sambuc // Initialization of 'a': 51f4a2713aSLionel Sambuc 52f4a2713aSLionel Sambuc // CHECK: store i32 0, i32* getelementptr inbounds ({{.*}} @a, i32 0, i32 0) 53f4a2713aSLionel Sambuc // CHECK: store i8* {{.*}} @[[STR_A]]{{.*}}, i8** getelementptr inbounds ({{.*}} @a, i32 0, i32 1) 54f4a2713aSLionel Sambuc // CHECK: load i32* getelementptr inbounds ({{.*}} @a, i32 0, i32 0) 55f4a2713aSLionel Sambuc // CHECK: load i8** getelementptr inbounds ({{.*}} @a, i32 0, i32 1) 56f4a2713aSLionel Sambuc // CHECK: getelementptr inbounds i8* %{{.*}}, {{.*}} %{{.*}} 57f4a2713aSLionel Sambuc // CHECK: store i8 %{{.*}}, i8* getelementptr inbounds ({{.*}} @a, i32 0, i32 2) 58f4a2713aSLionel Sambuc // CHECK: call i32 @_ZN1A1fEv({{.*}} @a) 59f4a2713aSLionel Sambuc // CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}}* @a, i32 0, i32 3) 60*0a6a1f1dSLionel Sambuc // CHECK: store double 1.000000e+00, double* getelementptr inbounds ({{.*}} @a, i32 0, i32 4, i32 0) 61f4a2713aSLionel Sambuc 62f4a2713aSLionel Sambuc // No dynamic initialization of 'b': 63f4a2713aSLionel Sambuc 64f4a2713aSLionel Sambuc // CHECK-NOT: @b 65f4a2713aSLionel Sambuc 66f4a2713aSLionel Sambuc // Initialization of 'c': 67f4a2713aSLionel Sambuc 68f4a2713aSLionel Sambuc // CHECK: store i32 1, i32* getelementptr inbounds ({{.*}} @c, i32 0, i32 0) 69f4a2713aSLionel Sambuc // CHECK: store i8* null, i8** getelementptr inbounds ({{.*}} @c, i32 0, i32 1) 70f4a2713aSLionel Sambuc // CHECK-NOT: load 71f4a2713aSLionel Sambuc // CHECK: store i8 65, i8* getelementptr inbounds ({{.*}} @c, i32 0, i32 2) 72f4a2713aSLionel Sambuc // CHECK: call i32 @_Z1fv() 73f4a2713aSLionel Sambuc // CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}}* @c, i32 0, i32 3) 74f4a2713aSLionel Sambuc // CHECK-NOT: C1Ev 75f4a2713aSLionel Sambuc // CHECK: store i8 3, i8* {{.*}} @c, i32 0, i32 4) 76f4a2713aSLionel Sambuc 77f4a2713aSLionel Sambuc // CHECK: call void @_ZN1BC1Ev({{.*}} @x) 78f4a2713aSLionel Sambuc 79f4a2713aSLionel Sambuc // CHECK: call i32 @_ZN1B1fEv({{.*}} @y) 80f4a2713aSLionel Sambuc // CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}} @y, i32 0, i32 0) 81