forked from OSchip/llvm-project
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
// 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 i32* getelementptr inbounds ({{.*}} @a, i32 0, i32 0)
|
|
// CHECK: load i8** getelementptr inbounds ({{.*}} @a, i32 0, i32 1)
|
|
// 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)
|