| // RUN: %clang_cc1 -std=c++1y %s -triple x86_64-linux-gnu -emit-llvm -o - | FileCheck %s |
| |
| struct A { |
| int n = 0; |
| const char *p; |
| char k = p[n]; |
| int f(); |
| int x = f(); |
| union { |
| char c; |
| double d = 1.0; |
| }; |
| }; |
| |
| int f(); |
| |
| union B { |
| int a; |
| int f(); |
| int b = f(); |
| }; |
| |
| A a { .p = "foobar" }; |
| A b { 4, "bazquux", .x = 42, .c = 9 }; |
| A c { 1, 0, 'A', f(), { 3 } }; |
| |
| // CHECK: @[[STR_A:.*]] = {{.*}} [7 x i8] c"foobar\00" |
| // CHECK: @a = global {{.*}} zeroinitializer |
| |
| // @b has a constant initializer |
| // CHECK: @[[STR_B:.*]] = {{.*}} [8 x i8] c"bazquux\00" |
| // CHECK: @b = global {{.*}} i32 4, {{.*}} @[[STR_B]], {{.*}} i8 117, i32 42, {{.*}} i8 9 |
| |
| B x; |
| B y {}; |
| B z { 1 }; |
| // CHECK: @z = global {{.*}} { i32 1 } |
| |
| // Brace initialization should initialize the first field even though it is |
| // unnamed. |
| union C { |
| struct { |
| int C::*memptr; |
| }; |
| }; |
| |
| C n{}; |
| // CHECK: @n = global %union.C { %struct.anon { i64 -1 } }, align 8 |
| |
| // Initialization of 'a': |
| |
| // CHECK: store i32 0, i32* getelementptr inbounds ({{.*}} @a, i32 0, i32 0) |
| // CHECK: store i8* {{.*}} @[[STR_A]]{{.*}}, i8** getelementptr inbounds ({{.*}} @a, i32 0, i32 1) |
| // CHECK: load i8*, i8** getelementptr inbounds ({{.*}} @a, i32 0, i32 1) |
| // CHECK: load i32, i32* getelementptr inbounds ({{.*}} @a, i32 0, i32 0) |
| // CHECK: getelementptr inbounds i8, i8* %{{.*}}, {{.*}} %{{.*}} |
| // CHECK: store i8 %{{.*}}, i8* getelementptr inbounds ({{.*}} @a, i32 0, i32 2) |
| // CHECK: call i32 @_ZN1A1fEv({{.*}} @a) |
| // CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}}, {{.*}}* @a, i32 0, i32 3) |
| // CHECK: store double 1.000000e+00, double* getelementptr inbounds ({{.*}} @a, i32 0, i32 4, i32 0) |
| |
| // No dynamic initialization of 'b': |
| |
| // CHECK-NOT: @b |
| |
| // Initialization of 'c': |
| |
| // CHECK: store i32 1, i32* getelementptr inbounds ({{.*}} @c, i32 0, i32 0) |
| // CHECK: store i8* null, i8** getelementptr inbounds ({{.*}} @c, i32 0, i32 1) |
| // CHECK-NOT: load |
| // CHECK: store i8 65, i8* getelementptr inbounds ({{.*}} @c, i32 0, i32 2) |
| // CHECK: call i32 @_Z1fv() |
| // CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}}, {{.*}}* @c, i32 0, i32 3) |
| // CHECK-NOT: C1Ev |
| // CHECK: store i8 3, i8* {{.*}} @c, i32 0, i32 4) |
| |
| // CHECK: call void @_ZN1BC1Ev({{.*}} @x) |
| |
| // CHECK: call i32 @_ZN1B1fEv({{.*}} @y) |
| // CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}} @y, i32 0, i32 0) |
