diff options
Diffstat (limited to 'tests/codegen/loongarch-abi/call-llvm-intrinsics.rs')
-rw-r--r-- | tests/codegen/loongarch-abi/call-llvm-intrinsics.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/codegen/loongarch-abi/call-llvm-intrinsics.rs b/tests/codegen/loongarch-abi/call-llvm-intrinsics.rs new file mode 100644 index 000000000..4b78f6e24 --- /dev/null +++ b/tests/codegen/loongarch-abi/call-llvm-intrinsics.rs @@ -0,0 +1,31 @@ +// compile-flags: -C no-prepopulate-passes + +// only-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: store float 4.000000e+00, ptr %{{.}}, align 4 + // CHECK: load float, ptr %{{.}}, align 4 + // CHECK: call float @llvm.sqrt.f32(float %{{.}} + sqrt(4.0); + } +} |