From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/codegen/call-llvm-intrinsics.rs | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 tests/codegen/call-llvm-intrinsics.rs (limited to 'tests/codegen/call-llvm-intrinsics.rs') diff --git a/tests/codegen/call-llvm-intrinsics.rs b/tests/codegen/call-llvm-intrinsics.rs new file mode 100644 index 000000000..cb8abae19 --- /dev/null +++ b/tests/codegen/call-llvm-intrinsics.rs @@ -0,0 +1,29 @@ +// 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); + } +} -- cgit v1.2.3