Implement RFC 2645 (transparent enums and unions)

[rust.git] / src / test / codegen / repr-transparent-aggregates-2.rs

diff --git a/src/test/codegen/repr-transparent-aggregates-2.rs b/src/test/codegen/repr-transparent-aggregates-2.rs
index 6c628ac035fd90ef67350066c5a4a7caa30afca2..5521c3c849f5363a661ec24f58235e503cfae22f 100644 (file)
--- a/src/test/codegen/repr-transparent-aggregates-2.rs
+++ b/src/test/codegen/repr-transparent-aggregates-2.rs
@@ -14,36 +14,76 @@
 // ignore-x86_64
 // See repr-transparent.rs
 
+#![feature(transparent_enums, transparent_unions)]
+
 #![crate_type="lib"]
 
 
+#[derive(Clone, Copy)]
 #[repr(C)]
-pub struct Big([u32; 16]);
+pub struct BigS([u32; 16]);
+
+#[repr(transparent)]
+pub struct TsBigS(BigS);
+
+#[repr(transparent)]
+pub union TuBigS {
+    field: BigS,
+}
 
 #[repr(transparent)]
-pub struct BigW(Big);
+pub enum TeBigS {
+    Variant(BigS),
+}
+
+// CHECK: define void @test_BigS(%BigS* [[BIGS_RET_ATTRS:.*]], [16 x i32]
+#[no_mangle]
+pub extern fn test_BigS(_: BigS) -> BigS { loop {} }
+
+// CHECK: define void @test_TsBigS(%TsBigS* [[BIGS_RET_ATTRS]], [16 x i32]
+#[no_mangle]
+pub extern fn test_TsBigS(_: TsBigS) -> TsBigS { loop {} }
 
-// CHECK: define void @test_Big(%Big* [[BIG_RET_ATTRS:.*]], [16 x i32]
+// CHECK: define void @test_TuBigS(%TuBigS* [[BIGS_RET_ATTRS]], [16 x i32]
 #[no_mangle]
-pub extern fn test_Big(_: Big) -> Big { loop {} }
+pub extern fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} }
 
-// CHECK: define void @test_BigW(%BigW* [[BIG_RET_ATTRS]], [16 x i32]
+// CHECK: define void @test_TeBigS(%"TeBigS::Variant"* [[BIGS_RET_ATTRS]], [16 x i32]
 #[no_mangle]
-pub extern fn test_BigW(_: BigW) -> BigW { loop {} }
+pub extern fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} }
 
 
+#[derive(Clone, Copy)]
 #[repr(C)]
 pub union BigU {
     foo: [u32; 16],
 }
 
 #[repr(transparent)]
-pub struct BigUw(BigU);
+pub struct TsBigU(BigU);
+
+#[repr(transparent)]
+pub union TuBigU {
+    field: BigU,
+}
+
+#[repr(transparent)]
+pub enum TeBigU {
+    Variant(BigU),
+}
 
 // CHECK: define void @test_BigU(%BigU* [[BIGU_RET_ATTRS:.*]], [16 x i32]
 #[no_mangle]
 pub extern fn test_BigU(_: BigU) -> BigU { loop {} }
 
-// CHECK: define void @test_BigUw(%BigUw* [[BIGU_RET_ATTRS]], [16 x i32]
+// CHECK: define void @test_TsBigU(%TsBigU* [[BIGU_RET_ATTRS:.*]], [16 x i32]
+#[no_mangle]
+pub extern fn test_TsBigU(_: TsBigU) -> TsBigU { loop {} }
+
+// CHECK: define void @test_TuBigU(%TuBigU* [[BIGU_RET_ATTRS]], [16 x i32]
+#[no_mangle]
+pub extern fn test_TuBigU(_: TuBigU) -> TuBigU { loop {} }
+
+// CHECK: define void @test_TeBigU(%"TeBigU::Variant"* [[BIGU_RET_ATTRS]], [16 x i32]
 #[no_mangle]
-pub extern fn test_BigUw(_: BigUw) -> BigUw { loop {} }
+pub extern fn test_TeBigU(_: TeBigU) -> TeBigU { loop {} }