Method declare_global

crates/rustc_codegen_nvvm/src/context.rs:285–303

Declare a global value, returns the existing value if it was already declared.

(
        &self,
        name: &str,
        ty: &'ll Type,
        address_space: AddressSpace,
    )

    /// Declare a global value, returns the existing value if it was already declared.
    pub fn declare_global(
        &self,
        name: &str,
        ty: &'ll Type,
        address_space: AddressSpace,
    ) -> &'ll Value {
        // NVVM doesnt allow `.` inside of globals, this should be sound, at worst it should result in an nvvm error if something goes wrong.
        let name = sanitize_global_ident(name);
        trace!("Declaring global `{}`", name);
        unsafe {
            llvm::LLVMRustGetOrInsertGlobal(
                self.llmod,
                name.as_ptr().cast(),
                name.len(),
                ty,
                address_space.0,
            )
        }
    }

    /// Declare a function. All functions use the default ABI, NVVM ignores any calling convention markers.
    /// All functions calls are generated according to the PTX calling convention.