mirror of
https://github.com/c3lang/c3c.git
synced 2026-02-27 12:01:16 +00:00
44 lines
941 B
C
44 lines
941 B
C
union UnionA
|
|
{
|
|
int a;
|
|
}
|
|
|
|
union UnionB
|
|
{
|
|
struct b
|
|
{
|
|
int a;
|
|
}
|
|
int c;
|
|
double d;
|
|
}
|
|
|
|
fn void test()
|
|
{
|
|
UnionA a = {};
|
|
UnionA a2;
|
|
UnionB b = {};
|
|
UnionB b2;
|
|
UnionB b3 = { .b = {} };
|
|
UnionB b4 = { .b.a = 23, .c = 4, .d = 0.4, .b = {} };
|
|
}
|
|
|
|
/* #expect: union_codegen_empty.ll
|
|
|
|
source_filena
|
|
define void @union_codegen_empty.test() #0 {
|
|
entry:
|
|
%a = alloca %UnionA, align 4
|
|
%a2 = alloca %UnionA, align 4
|
|
%b = alloca %UnionB, align 8
|
|
%b2 = alloca %UnionB, align 8
|
|
%b3 = alloca %UnionB, align 8
|
|
%b4 = alloca %UnionB, align 8
|
|
store i32 0, ptr %a, align 4
|
|
store i32 0, ptr %a2, align 4
|
|
call void @llvm.memset.p0.i64(ptr align 8 %b, i8 0, i64 8, i1 false)
|
|
call void @llvm.memset.p0.i64(ptr align 8 %b2, i8 0, i64 8, i1 false)
|
|
call void @llvm.memset.p0.i64(ptr align 8 %b3, i8 0, i64 8, i1 false)
|
|
call void @llvm.memset.p0.i64(ptr align 8 %b4, i8 0, i64 8, i1 false)
|
|
ret void
|
|
}
|