Function build_host_isa

cranelift/filetests/src/test_run.rs:33–48

Builds a [TargetIsa] for the current host. ISA Flags can be overridden by passing [Value]'s via `isa_flags`.

(
    infer_native_flags: bool,
    flags: settings::Flags,
    isa_flags: Vec<settings::Value>,
)

///
/// ISA Flags can be overridden by passing [Value]'s via `isa_flags`.
fn build_host_isa(
    infer_native_flags: bool,
    flags: settings::Flags,
    isa_flags: Vec<settings::Value>,
) -> anyhow::Result<OwnedTargetIsa> {
    let mut builder = cranelift_native::builder_with_options(infer_native_flags)
        .map_err(|e| anyhow::Error::msg(e))?;

    // Copy ISA Flags
    for value in isa_flags {
        builder.set(value.name, &value.value_string())?;
    }

    let isa = builder.finish(flags)?;
    Ok(isa)
}

/// Checks if the host's ISA is compatible with the one requested by the test.
fn is_isa_compatible(