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58 lines
2.0 KiB
Rust
58 lines
2.0 KiB
Rust
// 32-bit systems will return 128bit values using a return area pointer.
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//@ revisions: bit32 bit64
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//@[bit32] only-32bit
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//@[bit64] only-64bit
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//@ compile-flags: -C no-prepopulate-passes -Copt-level=0
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// Test that tuples get optimized layout, in particular with a ZST in the last field (#63244)
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#![crate_type = "lib"]
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type ScalarZstLast = (u128, ());
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// bit32: define {{(dso_local )?}}void @test_ScalarZstLast({{.*}} sret([16 x i8]) {{.*}}, i128 %_1)
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// bit64: define {{(dso_local )?}}i128 @test_ScalarZstLast(i128 %_1)
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#[no_mangle]
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pub fn test_ScalarZstLast(_: ScalarZstLast) -> ScalarZstLast {
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loop {}
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}
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type ScalarZstFirst = ((), u128);
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// bit32: define {{(dso_local )?}}void @test_ScalarZstFirst({{.*}} sret([16 x i8]) {{.*}}, i128 %_1)
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// bit64: define {{(dso_local )?}}i128 @test_ScalarZstFirst(i128 %_1)
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#[no_mangle]
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pub fn test_ScalarZstFirst(_: ScalarZstFirst) -> ScalarZstFirst {
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loop {}
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}
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type ScalarPairZstLast = (u8, u128, ());
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// CHECK: define {{(dso_local )?}}void @test_ScalarPairZstLast(ptr sret({{[^,]*}})
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// CHECK-SAME: %_0, i128 %_1.0, i8 %_1.1)
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#[no_mangle]
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pub fn test_ScalarPairZstLast(_: ScalarPairZstLast) -> ScalarPairZstLast {
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loop {}
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}
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type ScalarPairZstFirst = ((), u8, u128);
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// CHECK: define {{(dso_local )?}}void @test_ScalarPairZstFirst(ptr sret({{[^,]*}})
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// CHECK-SAME: %_0, i8 %_1.0, i128 %_1.1)
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#[no_mangle]
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pub fn test_ScalarPairZstFirst(_: ScalarPairZstFirst) -> ScalarPairZstFirst {
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loop {}
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}
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type ScalarPairLotsOfZsts = ((), u8, (), u128, ());
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// CHECK: define {{(dso_local )?}}void @test_ScalarPairLotsOfZsts(ptr sret({{[^,]*}})
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// CHECK-SAME: %_0, i128 %_1.0, i8 %_1.1)
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#[no_mangle]
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pub fn test_ScalarPairLotsOfZsts(_: ScalarPairLotsOfZsts) -> ScalarPairLotsOfZsts {
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loop {}
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}
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type ScalarPairLottaNesting = (((), ((), u8, (), u128, ())), ());
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// CHECK: define {{(dso_local )?}}void @test_ScalarPairLottaNesting(ptr sret({{[^,]*}})
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// CHECK-SAME: %_0, i128 %_1.0, i8 %_1.1)
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#[no_mangle]
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pub fn test_ScalarPairLottaNesting(_: ScalarPairLottaNesting) -> ScalarPairLottaNesting {
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loop {}
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}
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