| // compile-flags: -C no-prepopulate-passes | |
| // ignore-riscv64 | |
| #![feature(link_llvm_intrinsics)] | |
| #![crate_type = "lib"] | |
| struct A; | |
| impl Drop for A { | |
| fn drop(&mut self) { | |
| println!("A"); | |
| } | |
| } | |
| extern "C" { | |
| #[link_name = "llvm.sqrt.f32"] | |
| fn sqrt(x: f32) -> f32; | |
| } | |
| pub fn do_call() { | |
| let _a = A; | |
| unsafe { | |
| // Ensure that we `call` LLVM intrinsics instead of trying to `invoke` them | |
| // CHECK: call float @llvm.sqrt.f32(float 4.000000e+00 | |
| sqrt(4.0); | |
| } | |
| } |