mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 15:23:46 +00:00
37 lines
1.4 KiB
Rust
37 lines
1.4 KiB
Rust
// ignore-emscripten
|
|
// compile-flags: -C no-prepopulate-passes
|
|
|
|
// Test that tuples get optimized layout, in particular with a ZST in the last field (#63244)
|
|
|
|
#![crate_type="lib"]
|
|
|
|
type ScalarZstLast = (u128, ());
|
|
// CHECK: define i128 @test_ScalarZstLast(i128 %_1)
|
|
#[no_mangle]
|
|
pub fn test_ScalarZstLast(_: ScalarZstLast) -> ScalarZstLast { loop {} }
|
|
|
|
type ScalarZstFirst = ((), u128);
|
|
// CHECK: define i128 @test_ScalarZstFirst(i128 %_1)
|
|
#[no_mangle]
|
|
pub fn test_ScalarZstFirst(_: ScalarZstFirst) -> ScalarZstFirst { loop {} }
|
|
|
|
type ScalarPairZstLast = (u8, u128, ());
|
|
// CHECK: define { i128, i8 } @test_ScalarPairZstLast(i128 %_1.0, i8 %_1.1)
|
|
#[no_mangle]
|
|
pub fn test_ScalarPairZstLast(_: ScalarPairZstLast) -> ScalarPairZstLast { loop {} }
|
|
|
|
type ScalarPairZstFirst = ((), u8, u128);
|
|
// CHECK: define { i8, i128 } @test_ScalarPairZstFirst(i8 %_1.0, i128 %_1.1)
|
|
#[no_mangle]
|
|
pub fn test_ScalarPairZstFirst(_: ScalarPairZstFirst) -> ScalarPairZstFirst { loop {} }
|
|
|
|
type ScalarPairLotsOfZsts = ((), u8, (), u128, ());
|
|
// CHECK: define { i128, i8 } @test_ScalarPairLotsOfZsts(i128 %_1.0, i8 %_1.1)
|
|
#[no_mangle]
|
|
pub fn test_ScalarPairLotsOfZsts(_: ScalarPairLotsOfZsts) -> ScalarPairLotsOfZsts { loop {} }
|
|
|
|
type ScalarPairLottaNesting = (((), ((), u8, (), u128, ())), ());
|
|
// CHECK: define { i128, i8 } @test_ScalarPairLottaNesting(i128 %_1.0, i8 %_1.1)
|
|
#[no_mangle]
|
|
pub fn test_ScalarPairLottaNesting(_: ScalarPairLottaNesting) -> ScalarPairLottaNesting { loop {} }
|