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rust/tests/codegen/call-llvm-intrinsics.rs

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Add more codegen tests
2022-12-31 04:11:30 +08:00
//@ compile-flags: -C no-prepopulate-passes -Copt-level=0
Use `call` instead of `invoke` for functions that cannot unwind The `FnAbi` now knows if the function is allowed to unwind. If a function isn't allowed to unwind, we can use a `call` instead of an `invoke`. This resolves an issue when calling LLVM intrinsics which cannot unwind LLVM will generate an error if you attempt to invoke them so we need to ignore cleanup blocks in codegen and generate a call instead.
2020-03-26 17:32:52 +08:00
test: codegen: Add riscv abi llvm intrinsics test
2020-06-04 18:13:52 +08:00
//@ ignore-riscv64
tests: Add tests for LoongArch64
2023-04-14 17:42:08 +08:00
//@ ignore-loongarch64
test: codegen: Add riscv abi llvm intrinsics test
2020-06-04 18:13:52 +08:00
Use `call` instead of `invoke` for functions that cannot unwind The `FnAbi` now knows if the function is allowed to unwind. If a function isn't allowed to unwind, we can use a `call` instead of an `invoke`. This resolves an issue when calling LLVM intrinsics which cannot unwind LLVM will generate an error if you attempt to invoke them so we need to ignore cleanup blocks in codegen and generate a call instead.
2020-03-26 17:32:52 +08:00
#![feature(link_llvm_intrinsics)]
#![crate_type = "lib"]
struct A;
impl Drop for A {
fn drop(&mut self) {
println!("A");
}
}
Update tests for extern block linting
2020-09-02 05:12:52 +08:00
extern "C" {
Use `call` instead of `invoke` for functions that cannot unwind The `FnAbi` now knows if the function is allowed to unwind. If a function isn't allowed to unwind, we can use a `call` instead of an `invoke`. This resolves an issue when calling LLVM intrinsics which cannot unwind LLVM will generate an error if you attempt to invoke them so we need to ignore cleanup blocks in codegen and generate a call instead.
2020-03-26 17:32:52 +08:00
#[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
Add more codegen tests
2022-12-31 04:11:30 +08:00
// CHECK: call float @llvm.sqrt.f32(float 4.000000e+00
Use `call` instead of `invoke` for functions that cannot unwind The `FnAbi` now knows if the function is allowed to unwind. If a function isn't allowed to unwind, we can use a `call` instead of an `invoke`. This resolves an issue when calling LLVM intrinsics which cannot unwind LLVM will generate an error if you attempt to invoke them so we need to ignore cleanup blocks in codegen and generate a call instead.
2020-03-26 17:32:52 +08:00
sqrt(4.0);
}
}