phunix/external/bsd/llvm/dist/clang/test/CodeGenCXX/member-init-anon-union.cpp
Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

68 lines
1.1 KiB
C++

// RUN: %clang_cc1 %s -std=c++11 -triple x86_64-linux-gnu -emit-llvm -o - | FileCheck %s
// PR10531.
int make_a();
static union {
int a = make_a();
char *b;
};
int f() { return a; }
// CHECK-LABEL: define internal void @__cxx_global_var_init
// CHECK-NOT: }
// CHECK: call {{.*}}@"[[CONSTRUCT_GLOBAL:.*]]C1Ev"
int g() {
union {
int a;
int b = 81;
};
// CHECK-LABEL: define {{.*}}_Z1gv
// CHECK-NOT: }
// CHECK: call {{.*}}@"[[CONSTRUCT_LOCAL:.*]]C1Ev"
return b;
}
struct A {
A();
};
union B {
int k;
struct {
A x;
int y = 123;
};
B() {}
B(int n) : k(n) {}
};
B b1;
B b2(0);
// CHECK-LABEL: define {{.*}} @_ZN1BC2Ei(
// CHECK-NOT: call void @_ZN1AC1Ev(
// CHECK-NOT: store i32 123,
// CHECK: store i32 %
// CHECK-NOT: call void @_ZN1AC1Ev(
// CHECK-NOT: store i32 123,
// CHECK: }
// CHECK-LABEL: define {{.*}} @_ZN1BC2Ev(
// CHECK: call void @_ZN1AC1Ev(
// CHECK: store i32 123,
// CHECK: }
// CHECK: define {{.*}}@"[[CONSTRUCT_LOCAL]]C2Ev"
// CHECK-NOT: }
// CHECK: store i32 81
// CHECK: define {{.*}}@"[[CONSTRUCT_GLOBAL]]C2Ev"
// CHECK-NOT: }
// CHECK: call {{.*}}@_Z6make_a