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40 lines
1006 B
Rust
40 lines
1006 B
Rust
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//@ compile-flags: -O -C no-prepopulate-passes
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#![crate_type = "lib"]
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#[repr(transparent)]
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struct Transparent32(u32);
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// CHECK: i32 @make_transparent(i32 noundef %x)
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#[no_mangle]
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pub fn make_transparent(x: u32) -> Transparent32 {
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// CHECK: %a = alloca i32
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// CHECK: store i32 %x, ptr %a
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// CHECK: %[[TEMP:.+]] = load i32, ptr %a
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// CHECK: ret i32 %[[TEMP]]
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let a = Transparent32(x);
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a
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}
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// CHECK: i32 @make_closure(i32 noundef %x)
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#[no_mangle]
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pub fn make_closure(x: i32) -> impl Fn(i32) -> i32 {
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// CHECK: %[[ALLOCA:.+]] = alloca i32
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// CHECK: store i32 %x, ptr %[[ALLOCA]]
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// CHECK: %[[TEMP:.+]] = load i32, ptr %[[ALLOCA]]
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// CHECK: ret i32 %[[TEMP]]
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move |y| x + y
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}
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// CHECK-LABEL: { i32, i32 } @make_2_tuple(i32 noundef %x)
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#[no_mangle]
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pub fn make_2_tuple(x: u32) -> (u32, u32) {
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// CHECK: %pair = alloca { i32, i32 }
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// CHECK: store i32
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// CHECK: store i32
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// CHECK: load i32
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// CHECK: load i32
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let pair = (x, x);
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pair
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}
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