27 lines
530 B
Rust
27 lines
530 B
Rust
// compile-flags: -O
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// ignore-x86
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// ignore-arm
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// ignore-emscripten
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// ignore-gnux32
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// ignore 32-bit platforms (LLVM has a bug with them)
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// See issue #37945.
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#![crate_type = "lib"]
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use std::slice::Iter;
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// CHECK-LABEL: @is_empty_1
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#[no_mangle]
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pub fn is_empty_1(xs: Iter<f32>) -> bool {
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// CHECK-NOT: icmp eq float* {{.*}}, null
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{xs}.next().is_none()
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}
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// CHECK-LABEL: @is_empty_2
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#[no_mangle]
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pub fn is_empty_2(xs: Iter<f32>) -> bool {
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// CHECK-NOT: icmp eq float* {{.*}}, null
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xs.map(|&x| x).next().is_none()
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}
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