// compile-flags: -C no-prepopulate-passes -Copt-level=0 // ignore-riscv64 // ignore-loongarch64 #![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); } }