[rustc.git] / tests / codegen / call-llvm-intrinsics.rs

// compile-flags: -C no-prepopulate-passes -Copt-level=0

// 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);
    }
}
Commit	Line	Data
9c376795	1	// compile-flags: -C no-prepopulate-passes -Copt-level=0
ba9703b0	2
f035d41b XL	3	// ignore-riscv64
f035d41b XL	4
ba9703b0 XL	5	#![feature(link_llvm_intrinsics)]
	6	#![crate_type = "lib"]
	7
	8	struct A;
	9
	10	impl Drop for A {
	11	fn drop(&mut self) {
	12	println!("A");
	13	}
	14	}
	15
5869c6ff	16	extern "C" {
ba9703b0 XL	17	#[link_name = "llvm.sqrt.f32"]
	18	fn sqrt(x: f32) -> f32;
	19	}
	20
	21	pub fn do_call() {
	22	let _a = A;
	23
	24	unsafe {
	25	// Ensure that we `call` LLVM intrinsics instead of trying to `invoke` them
	26	// CHECK: call float @llvm.sqrt.f32(float 4.000000e+00
	27	sqrt(4.0);
	28	}
	29	}