Function cold_blocks

cranelift/codegen/src/write.rs:719–738

()

    #[test]
    fn cold_blocks() {
        let mut func = Function::new();
        {
            let mut pos = FuncCursor::new(&mut func);

            let block0 = pos.func.dfg.make_block();
            pos.insert_block(block0);
            pos.func.layout.set_cold(block0);

            let block1 = pos.func.dfg.make_block();
            pos.insert_block(block1);
            pos.func.dfg.append_block_param(block1, types::I32);
            pos.func.layout.set_cold(block1);
        }

        assert_eq!(
            func.to_string(),
            "function u0:0() fast {\nblock0 cold:\n\nblock1(v0: i32) cold:\n}\n"
        );
    }
}