mirror of
https://github.com/rust-lang/rust
synced 2024-10-02 14:54:35 +00:00
88 lines
2.9 KiB
Rust
88 lines
2.9 KiB
Rust
// compile-flags: -O -C no-prepopulate-passes
|
|
//
|
|
|
|
// ignore-arm
|
|
// ignore-aarch64
|
|
// ignore-mips
|
|
// ignore-mips64
|
|
// ignore-powerpc
|
|
// ignore-powerpc64
|
|
// ignore-riscv64 see codegen/riscv-abi
|
|
// ignore-s390x
|
|
// ignore-windows
|
|
// See repr-transparent.rs
|
|
|
|
#![feature(transparent_unions)]
|
|
|
|
#![crate_type="lib"]
|
|
|
|
|
|
#[derive(Clone, Copy)]
|
|
#[repr(C)]
|
|
pub struct BigS([u32; 16]);
|
|
|
|
#[repr(transparent)]
|
|
pub struct TsBigS(BigS);
|
|
|
|
#[repr(transparent)]
|
|
pub union TuBigS {
|
|
field: BigS,
|
|
}
|
|
|
|
#[repr(transparent)]
|
|
pub enum TeBigS {
|
|
Variant(BigS),
|
|
}
|
|
|
|
// CHECK: define{{.*}}void @test_BigS({{%BigS\*|ptr}} [[BIGS_RET_ATTRS1:.*]] sret(%BigS) [[BIGS_RET_ATTRS2:.*]], {{%BigS\*|ptr}} [[BIGS_ARG_ATTRS1:.*]] byval(%BigS) [[BIGS_ARG_ATTRS2:.*]])
|
|
#[no_mangle]
|
|
pub extern "C" fn test_BigS(_: BigS) -> BigS { loop {} }
|
|
|
|
// CHECK: define{{.*}}void @test_TsBigS({{%TsBigS\*|ptr}} [[BIGS_RET_ATTRS1]] sret(%TsBigS) [[BIGS_RET_ATTRS2]], {{%TsBigS\*|ptr}} [[BIGS_ARG_ATTRS1]] byval(%TsBigS) [[BIGS_ARG_ATTRS2:.*]])
|
|
#[no_mangle]
|
|
pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { loop {} }
|
|
|
|
// CHECK: define{{.*}}void @test_TuBigS({{%TuBigS\*|ptr}} [[BIGS_RET_ATTRS1]] sret(%TuBigS) [[BIGS_RET_ATTRS2]], {{%TuBigS\*|ptr}} [[BIGS_ARG_ATTRS1]] byval(%TuBigS) [[BIGS_ARG_ATTRS2:.*]])
|
|
#[no_mangle]
|
|
pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} }
|
|
|
|
// CHECK: define{{.*}}void @test_TeBigS({{%"TeBigS::Variant"\*|ptr}} [[BIGS_RET_ATTRS1]] sret(%"TeBigS::Variant") [[BIGS_RET_ATTRS2]], {{%"TeBigS::Variant"\*|ptr}} [[BIGS_ARG_ATTRS1]] byval(%"TeBigS::Variant") [[BIGS_ARG_ATTRS2]])
|
|
#[no_mangle]
|
|
pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} }
|
|
|
|
|
|
#[derive(Clone, Copy)]
|
|
#[repr(C)]
|
|
pub union BigU {
|
|
foo: [u32; 16],
|
|
}
|
|
|
|
#[repr(transparent)]
|
|
pub struct TsBigU(BigU);
|
|
|
|
#[repr(transparent)]
|
|
pub union TuBigU {
|
|
field: BigU,
|
|
}
|
|
|
|
#[repr(transparent)]
|
|
pub enum TeBigU {
|
|
Variant(BigU),
|
|
}
|
|
|
|
// CHECK: define{{.*}}void @test_BigU({{%BigU\*|ptr}} [[BIGU_RET_ATTRS1:.*]] sret(%BigU) [[BIGU_RET_ATTRS2:.*]], {{%BigU\*|ptr}} [[BIGU_ARG_ATTRS1:.*]] byval(%BigU) [[BIGU_ARG_ATTRS2:.*]])
|
|
#[no_mangle]
|
|
pub extern "C" fn test_BigU(_: BigU) -> BigU { loop {} }
|
|
|
|
// CHECK: define{{.*}}void @test_TsBigU({{%TsBigU\*|ptr}} [[BIGU_RET_ATTRS1:.*]] sret(%TsBigU) [[BIGU_RET_ATTRS2:.*]], {{%TsBigU\*|ptr}} [[BIGU_ARG_ATTRS1]] byval(%TsBigU) [[BIGU_ARG_ATTRS2]])
|
|
#[no_mangle]
|
|
pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { loop {} }
|
|
|
|
// CHECK: define{{.*}}void @test_TuBigU({{%TuBigU\*|ptr}} [[BIGU_RET_ATTRS1]] sret(%TuBigU) [[BIGU_RET_ATTRS2:.*]], {{%TuBigU\*|ptr}} [[BIGU_ARG_ATTRS1]] byval(%TuBigU) [[BIGU_ARG_ATTRS2]])
|
|
#[no_mangle]
|
|
pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { loop {} }
|
|
|
|
// CHECK: define{{.*}}void @test_TeBigU({{%"TeBigU::Variant"\*|ptr}} [[BIGU_RET_ATTRS1]] sret(%"TeBigU::Variant") [[BIGU_RET_ATTRS2:.*]], {{%"TeBigU::Variant"\*|ptr}} [[BIGU_ARG_ATTRS1]] byval(%"TeBigU::Variant") [[BIGU_ARG_ATTRS2]])
|
|
#[no_mangle]
|
|
pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { loop {} }
|