// Phase 33-7: IfMerge lowering test (multiple variables pattern)
//
// Pattern: if cond { x=a; y=b; z=c } else { x=d; y=e; z=f } return x+y+z
// Expected:
//   - cond=true → (x=10, y=20, z=30) → return 60
//   - cond=false → (x=40, y=50, z=60) → return 150

static box IfMergeTest {
    multiple_true() {
        local x
        local y
        local z

        if true {
            x = 10
            y = 20
            z = 30
        } else {
            x = 40
            y = 50
            z = 60
        }

        return x + y + z
    }

    multiple_false() {
        local x
        local y
        local z

        if false {
            x = 10
            y = 20
            z = 30
        } else {
            x = 40
            y = 50
            z = 60
        }

        return x + y + z
    }

    main() {
        local result_true
        local result_false

        result_true = me.multiple_true()
        result_false = me.multiple_false()

        print("multiple_true: ")
        print(result_true)
        print("\n")

        print("multiple_false: ")
        print(result_false)
        print("\n")

        // Verify results
        if result_true == 60 {
            print("PASS: multiple_true\n")
        } else {
            print("FAIL: multiple_true\n")
        }

        if result_false == 150 {
            print("PASS: multiple_false\n")
        } else {
            print("FAIL: multiple_false\n")
        }
    }
}