Files
c3c/test/test_suite/dynamic/null_and_protocol.c3t
2023-10-20 14:12:08 +02:00

36 lines
924 B
C

// #target: macos-x64
module test;
interface Test {}
fn void main()
{
Test* a;
bool x = a == null;
a = null;
any* z = a;
z = null;
}
/* #expect: test.ll
%"any*" = type { ptr, i64 }
@"$ct.void" = linkonce global %.introspect { i8 0, i64 0, ptr null, i64 1, i64 0, i64 0, [0 x i64] zeroinitializer }, align 8
define void @test.main() #0 {
entry:
%a = alloca %"any*", align 8
%x = alloca i8, align 1
%z = alloca %"any*", align 8
store %"any*" zeroinitializer, ptr %a, align 8
%0 = getelementptr inbounds %"any*", ptr %a, i32 0, i32 0
%1 = load ptr, ptr %0, align 8
%eq = icmp eq ptr %1, null
%2 = zext i1 %eq to i8
store i8 %2, ptr %x, align 1
store %"any*" { ptr null, i64 ptrtoint (ptr @"$ct.void" to i64) }, ptr %a, align 8
%3 = load %"any*", ptr %a, align 8
store %"any*" %3, ptr %z, align 8
store %"any*" { ptr null, i64 ptrtoint (ptr @"$ct.void" to i64) }, ptr %z, align 8
ret void
}