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45 lines
923 B
Rust
45 lines
923 B
Rust
//@ revisions: linux apple
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//@ compile-flags: -C opt-level=0 -C no-prepopulate-passes -C passes=lint
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//@[linux] compile-flags: --target x86_64-unknown-linux-gnu
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//@[linux] needs-llvm-components: x86
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//@[apple] compile-flags: --target x86_64-apple-darwin
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//@[apple] needs-llvm-components: x86
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// Regression test for #29988
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#![feature(no_core, lang_items)]
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#![crate_type = "lib"]
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#![no_std]
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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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struct S {
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f1: i32,
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f2: i32,
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f3: i32,
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}
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extern "C" {
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fn foo(s: S);
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}
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// CHECK-LABEL: @test
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#[no_mangle]
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pub fn test() {
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let s = S { f1: 1, f2: 2, f3: 3 };
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unsafe {
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// CHECK: [[ALLOCA:%.+]] = alloca [16 x i8], align 8
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// CHECK: [[LOAD:%.+]] = load { i64, i32 }, ptr [[ALLOCA]], align 8
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// CHECK: call void @foo({ i64, i32 } [[LOAD]])
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foo(s);
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}
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}
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