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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/codegen/call-llvm-intrinsics.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/call-llvm-intrinsics.rs')
-rw-r--r-- | tests/codegen/call-llvm-intrinsics.rs | 29 |
1 files changed, 29 insertions, 0 deletions
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); + } +} |