32 lines
619 B
Rust
32 lines
619 B
Rust
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// compile-flags: -C no-prepopulate-passes
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// only-loongarch64
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#![feature(link_llvm_intrinsics)]
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#![crate_type = "lib"]
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struct A;
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impl Drop for A {
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fn drop(&mut self) {
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println!("A");
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}
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}
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extern "C" {
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#[link_name = "llvm.sqrt.f32"]
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fn sqrt(x: f32) -> f32;
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}
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pub fn do_call() {
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let _a = A;
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unsafe {
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// Ensure that we `call` LLVM intrinsics instead of trying to `invoke` them
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// CHECK: store float 4.000000e+00, ptr %{{.}}, align 4
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// CHECK: load float, ptr %{{.}}, align 4
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// CHECK: call float @llvm.sqrt.f32(float %{{.}}
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sqrt(4.0);
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}
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}
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