1 // compile-flags: -C no-prepopulate-passes
3 // This test that using union forward the abi of the inner type, as
13 #[derive(Copy, Clone)]
14 pub struct i64x4(i64, i64, i64, i64);
16 #[derive(Copy, Clone)]
17 pub union UnionI64x4{ a:(), b: i64x4 }
19 // CHECK: define void @test_UnionI64x4(<4 x i64>* {{.*}} %arg0)
21 pub fn test_UnionI64x4(_: UnionI64x4) { loop {} }
23 pub union UnionI64x4_{ a: i64x4, b: (), c:i64x4, d: Unhab, e: ((),()), f: UnionI64x4 }
25 // CHECK: define void @test_UnionI64x4_(<4 x i64>* {{.*}} %arg0)
27 pub fn test_UnionI64x4_(_: UnionI64x4_) { loop {} }
29 pub union UnionI64x4I64{ a: i64x4, b: i64 }
31 // CHECK: define void @test_UnionI64x4I64(%UnionI64x4I64* {{.*}} %arg0)
33 pub fn test_UnionI64x4I64(_: UnionI64x4I64) { loop {} }
35 pub union UnionI64x4Tuple{ a: i64x4, b: (i64, i64, i64, i64) }
37 // CHECK: define void @test_UnionI64x4Tuple(%UnionI64x4Tuple* {{.*}} %arg0)
39 pub fn test_UnionI64x4Tuple(_: UnionI64x4Tuple) { loop {} }
42 pub union UnionF32{a:f32}
44 // CHECK: define float @test_UnionF32(float %arg0)
46 pub fn test_UnionF32(_: UnionF32) -> UnionF32 { loop {} }
48 pub union UnionF32F32{a:f32, b:f32}
50 // CHECK: define float @test_UnionF32F32(float %arg0)
52 pub fn test_UnionF32F32(_: UnionF32F32) -> UnionF32F32 { loop {} }
54 pub union UnionF32U32{a:f32, b:u32}
56 // CHECK: define i32 @test_UnionF32U32(i32)
58 pub fn test_UnionF32U32(_: UnionF32U32) -> UnionF32U32 { loop {} }
60 pub union UnionU128{a:u128}
61 // CHECK: define i128 @test_UnionU128(i128 %arg0)
63 pub fn test_UnionU128(_: UnionU128) -> UnionU128 { loop {} }
66 pub union CUnionU128{a:u128}
67 // CHECK: define void @test_CUnionU128(%CUnionU128* {{.*}} %arg0)
69 pub fn test_CUnionU128(_: CUnionU128) { loop {} }
71 pub union UnionBool { b:bool }
72 // CHECK: define zeroext i1 @test_UnionBool(i8 %b)
74 pub fn test_UnionBool(b: UnionBool) -> bool { unsafe { b.b } }
75 // CHECK: %0 = trunc i8 %b to i1