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

//@ 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);
    }
}
Commit	Line	Data
c620b35d	1	//@ compile-flags: -C no-prepopulate-passes -Copt-level=0
ba9703b0	2
c620b35d FG	3	//@ ignore-riscv64
c620b35d FG	4	//@ ignore-loongarch64
f035d41b	5
ba9703b0 XL	6	#![feature(link_llvm_intrinsics)]
	7	#![crate_type = "lib"]
	8
	9	struct A;
	10
	11	impl Drop for A {
	12	fn drop(&mut self) {
	13	println!("A");
	14	}
	15	}
	16
5869c6ff	17	extern "C" {
ba9703b0 XL	18	#[link_name = "llvm.sqrt.f32"]
	19	fn sqrt(x: f32) -> f32;
	20	}
	21
	22	pub fn do_call() {
	23	let _a = A;
	24
	25	unsafe {
	26	// Ensure that we `call` LLVM intrinsics instead of trying to `invoke` them
	27	// CHECK: call float @llvm.sqrt.f32(float 4.000000e+00
	28	sqrt(4.0);
	29	}
	30	}