update to remove extra contiguous by requires_std_shape, update tests

src/auto_contiguous.cpp

@@ -61,8 +61,14 @@ void auto_contiguous::apply(module& m) const
     {
         if(contains({"layout", "contiguous", "@return", "@param", "@outline"}, ins->name()))
             continue;
+        auto outputs = ins->outputs();
         // for last instruction that is NOT a return
-        if(ins->outputs().empty() and ins != last)
+        if(outputs.empty() and ins != last)
+            continue;
+        if(not outputs.empty())
+            // if contiguous was already inserted, skip
+            if(std::all_of(outputs.begin(), outputs.end(), [](auto output) {
+                return output->name() == "contiguous";}))
                 continue;
         shape s = ins->get_shape();
         if(s.dynamic())
@@ -72,9 +78,9 @@ void auto_contiguous::apply(module& m) const
         if(s.standard() and ins->name() == "@literal")
             continue;
         if(s.scalar() and not contains(ins->name(), "broadcast"))
-        {
             continue;
-        }
+        
+
         auto c = m.insert_instruction(std::next(ins), make_op("contiguous"), ins);
         m.replace_instruction(ins, c);
     }

test/auto_contiguous_test.cpp

@@ -179,7 +179,8 @@ TEST_CASE(standard_reshape_lazy)
         auto ca   = m2.add_instruction(migraphx::make_op("contiguous"), add);
         auto r =
             m2.add_instruction(migraphx::make_op("reshape_lazy", {{"dims", {2, 1, 12, 5}}}), ca);
-        m2.add_return({r});
+        auto cr = m2.add_instruction(migraphx::make_op("contiguous"), r);
+        m2.add_return({cr});
     }
 
     EXPECT(m1 == m2);
@@ -201,9 +202,7 @@ TEST_CASE(standard_reshape)
         auto data = m2.add_parameter("2x2", {migraphx::shape::float_type, {2, 3, 4, 5}});
         auto add  = m2.add_instruction(migraphx::make_op("add"), data, data);
         auto ca   = m2.add_instruction(migraphx::make_op("contiguous"), add);
-        // extra contiguous coming from reshape logic which has "requires_std_shape" attribute
-        auto cb = m2.add_instruction(migraphx::make_op("contiguous"), ca);
-        auto r  = m2.add_instruction(migraphx::make_op("reshape", {{"dims", {2, 1, 12, 5}}}), cb);
+        auto r  = m2.add_instruction(migraphx::make_op("reshape", {{"dims", {2, 1, 12, 5}}}), ca);
         auto cr = m2.add_instruction(migraphx::make_op("contiguous"), r);
         m2.add_return({cr});
     }