fixup! Add support for division by zero errors

src/simplify_algebra.cpp

@@ -41,6 +41,8 @@
 namespace migraphx {
 inline namespace MIGRAPHX_INLINE_NS {
 
+MIGRAPHX_DECLARE_ENV_VAR(MIGRAPHX_TRACE_PASSES);
+
 auto lit_broadcast() { return match::any_of(match::is_constant(), match::name("broadcast")); }
 auto not_lit_broadcast() { return match::none_of(match::is_constant(), match::name("broadcast")); }
 auto op_lit_broadcast(std::string op, std::string x, std::string y)
@@ -856,10 +858,13 @@ struct find_zero_div_const
     auto matcher() const { return match::name("div")(match::arg(1)(match::has_value(0.0f))); }
 
     void apply [[noreturn]] (const module& m, const match::matcher_result& r) const
+    {
+        if(enabled(MIGRAPHX_TRACE_PASSES{}))
         {
             m.debug_print();
             std::cout << "ERROR:DIV_BY_ZERO: ";
             m.debug_print(r.result);
+        }
         MIGRAPHX_THROW("ERROR: Matched division by zero in pass");
     }
 };

test/simplify_algebra_test.cpp

@@ -906,7 +906,7 @@ TEST_CASE(simplify_div_zero_const)
     }
     catch(const std::runtime_error& e)
     {
-        std::cerr << e.what() << std::endl;
+        (void)e;
         result = true;
     }
     EXPECT(result);