mirror of https://github.com/rust-lang/rust
100 lines
1.8 KiB
Rust
100 lines
1.8 KiB
Rust
// Test that structs aligned to 128 bits are passed with the correct ABI on powerpc64le.
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// This is similar to aarch64-struct-align-128.rs, but for ppc.
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//@ compile-flags: --target powerpc64le-unknown-linux-gnu
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//@ needs-llvm-components: powerpc
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#![feature(no_core, lang_items)]
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#![crate_type = "lib"]
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#![no_core]
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#[lang = "sized"]
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trait Sized {}
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#[lang = "freeze"]
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trait Freeze {}
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#[lang = "copy"]
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trait Copy {}
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#[repr(C)]
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pub struct Align8 {
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pub a: u64,
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pub b: u64,
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}
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#[repr(transparent)]
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pub struct Transparent8 {
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a: Align8,
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}
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#[repr(C)]
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pub struct Wrapped8 {
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a: Align8,
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}
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extern "C" {
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// CHECK: declare void @test_8([2 x i64], [2 x i64], [2 x i64])
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fn test_8(a: Align8, b: Transparent8, c: Wrapped8);
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}
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#[repr(C)]
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#[repr(align(16))]
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pub struct Align16 {
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pub a: u64,
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pub b: u64,
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}
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#[repr(transparent)]
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pub struct Transparent16 {
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a: Align16,
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}
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#[repr(C)]
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pub struct Wrapped16 {
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pub a: Align16,
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}
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extern "C" {
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// It's important that this produces [1 x i128] rather than just i128!
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// CHECK: declare void @test_16([1 x i128], [1 x i128], [1 x i128])
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fn test_16(a: Align16, b: Transparent16, c: Wrapped16);
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}
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#[repr(C)]
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#[repr(align(32))]
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pub struct Align32 {
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pub a: u64,
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pub b: u64,
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pub c: u64,
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}
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#[repr(transparent)]
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pub struct Transparent32 {
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a: Align32,
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}
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#[repr(C)]
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pub struct Wrapped32 {
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pub a: Align32,
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}
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extern "C" {
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// CHECK: declare void @test_32([2 x i128], [2 x i128], [2 x i128])
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fn test_32(a: Align32, b: Transparent32, c: Wrapped32);
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}
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pub unsafe fn main(
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a1: Align8,
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a2: Transparent8,
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a3: Wrapped8,
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b1: Align16,
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b2: Transparent16,
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b3: Wrapped16,
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c1: Align32,
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c2: Transparent32,
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c3: Wrapped32,
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) {
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test_8(a1, a2, a3);
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test_16(b1, b2, b3);
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test_32(c1, c2, c3);
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}
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