Remove contiguous from reshape parsing (#2190)

src/onnx/parse_depthtospace.cpp

@@ -87,8 +87,7 @@ struct parse_depthtospace : op_parser<parse_depthtospace>
 
         auto temp1 = info.add_instruction(make_op("reshape", {{"dims", lens1}}), args[0]);
         auto temp2 = info.add_instruction(make_op("transpose", {{"permutation", perm}}), temp1);
-        return info.add_instruction(make_op("reshape", {{"dims", lens2}}),
-                                    info.make_contiguous(temp2));
+        return info.add_instruction(make_op("reshape", {{"dims", lens2}}), temp2);
     }
 };
 

src/onnx/parse_reshape.cpp

@@ -53,8 +53,7 @@ struct parse_reshape : op_parser<parse_reshape>
             s.visit([&](auto v) { copy(v, std::back_inserter(dims)); });
         }
 
-        auto cont = info.add_instruction(make_op("contiguous"), args[0]);
-        return info.add_instruction(make_op("reshape", {{"dims", dims}}), cont);
+        return info.add_instruction(make_op("reshape", {{"dims", dims}}), args[0]);
     }
 };
 

src/onnx/parse_spacetodepth.cpp

@@ -73,8 +73,7 @@ struct parse_spacetodepth : op_parser<parse_spacetodepth>
         std::vector<int64_t> perm = {0, 3, 5, 1, 2, 4};
         auto temp1 = info.add_instruction(make_op("reshape", {{"dims", trans_lens}}), args[0]);
         auto temp2 = info.add_instruction(make_op("transpose", {{"permutation", perm}}), temp1);
-        return info.add_instruction(make_op("reshape", {{"dims", res_lens}}),
-                                    info.make_contiguous(temp2));
+        return info.add_instruction(make_op("reshape", {{"dims", res_lens}}), temp2);
     }
 };
 

src/tf/parse_reshape.cpp

@@ -45,8 +45,7 @@ struct parse_reshape : op_parser<parse_reshape>
         auto s = args[1]->eval();
         std::vector<int64_t> dims;
         s.visit([&](auto v) { copy(v, std::back_inserter(dims)); });
-        return info.add_instruction(make_op("reshape", {{"dims", dims}}),
-                                    info.make_contiguous(args[0]));
+        return info.add_instruction(make_op("reshape", {{"dims", dims}}), args[0]);
     }
 };
 

test/onnx/onnx_test.cpp

@@ -1772,8 +1772,7 @@ TEST_CASE(depthtospace_test)
         mm->add_instruction(migraphx::make_op("reshape", {{"dims", {2, 2, 2, 2, 5, 5}}}), l0);
     auto tmp2 = mm->add_instruction(
         migraphx::make_op("transpose", {{"permutation", {0, 3, 4, 1, 5, 2}}}), tmp1);
-    auto tmp3 = mm->add_instruction(migraphx::make_op("contiguous"), tmp2);
-    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {2, 2, 10, 10}}}), tmp3);
+    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {2, 2, 10, 10}}}), tmp2);
     auto prog = optimize_onnx("depthtospace_test.onnx");
     EXPECT(p == prog);
 }
@@ -1787,8 +1786,7 @@ TEST_CASE(depthtospace_crd_test)
         mm->add_instruction(migraphx::make_op("reshape", {{"dims", {2, 2, 2, 2, 5, 5}}}), l0);
     auto tmp2 = mm->add_instruction(
         migraphx::make_op("transpose", {{"permutation", {0, 1, 4, 2, 5, 3}}}), tmp1);
-    auto tmp3 = mm->add_instruction(migraphx::make_op("contiguous"), tmp2);
-    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {2, 2, 10, 10}}}), tmp3);
+    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {2, 2, 10, 10}}}), tmp2);
     auto prog = optimize_onnx("depthtospace_crd_test.onnx");
     EXPECT(p == prog);
 }
@@ -1802,8 +1800,7 @@ TEST_CASE(depthtospace_simple_test)
         mm->add_instruction(migraphx::make_op("reshape", {{"dims", {1, 2, 2, 2, 2, 3}}}), l0);
     auto tmp2 = mm->add_instruction(
         migraphx::make_op("transpose", {{"permutation", {0, 3, 4, 1, 5, 2}}}), tmp1);
-    auto tmp3 = mm->add_instruction(migraphx::make_op("contiguous"), tmp2);
-    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {1, 2, 4, 6}}}), tmp3);
+    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {1, 2, 4, 6}}}), tmp2);
     auto prog = optimize_onnx("depthtospace_simple_test.onnx");
     EXPECT(p == prog);
 }
@@ -1817,8 +1814,7 @@ TEST_CASE(spacetodepth_test)
         mm->add_instruction(migraphx::make_op("reshape", {{"dims", {2, 2, 5, 2, 5, 2}}}), l0);
     auto tmp2 = mm->add_instruction(
         migraphx::make_op("transpose", {{"permutation", {0, 3, 5, 1, 2, 4}}}), tmp1);
-    auto tmp3 = mm->add_instruction(migraphx::make_op("contiguous"), tmp2);
-    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {2, 8, 5, 5}}}), tmp3);
+    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {2, 8, 5, 5}}}), tmp2);
     auto prog = optimize_onnx("spacetodepth_test.onnx");
     EXPECT(p == prog);
 }
@@ -1832,8 +1828,7 @@ TEST_CASE(spacetodepth_simple_test)
         mm->add_instruction(migraphx::make_op("reshape", {{"dims", {1, 2, 2, 2, 3, 2}}}), l0);
     auto tmp2 = mm->add_instruction(
         migraphx::make_op("transpose", {{"permutation", {0, 3, 5, 1, 2, 4}}}), tmp1);
-    auto tmp3 = mm->add_instruction(migraphx::make_op("contiguous"), tmp2);
-    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {1, 8, 2, 3}}}), tmp3);
+    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {1, 8, 2, 3}}}), tmp2);
     auto prog = optimize_onnx("spacetodepth_simple_test.onnx");
     EXPECT(p == prog);
 }
@@ -5491,12 +5486,9 @@ TEST_CASE(reshape_test)
         migraphx::literal{migraphx::shape{migraphx::shape::int64_type, {2}}, reshape_dims});
     auto l0 = mm->add_parameter("0", migraphx::shape{migraphx::shape::float_type, {4, 2, 3}});
     op.dims = reshape_dims;
-    auto c0 = mm->add_instruction(migraphx::make_op("contiguous"), l0);
-    mm->add_instruction(op, c0);
-    auto c1 = mm->add_instruction(migraphx::make_op("contiguous"), l0);
-    mm->add_instruction(op, c1);
+    mm->add_instruction(op, l0);
+    mm->add_instruction(op, l0);
     auto prog = optimize_onnx("reshape_test.onnx");
-
     EXPECT(p == prog);
 }
 
@@ -5509,8 +5501,7 @@ TEST_CASE(reshape_non_standard_test)
     auto x = mm->add_parameter("x", s);
     auto tran_x =
         mm->add_instruction(migraphx::make_op("transpose", {{"permutation", {0, 2, 1}}}), x);
-    auto cont_x = mm->add_instruction(migraphx::make_op("contiguous"), tran_x);
-    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {4, 3, 2}}}), cont_x);
+    mm->add_instruction(migraphx::make_op("reshape", {{"dims", {4, 3, 2}}}), tran_x);
     auto prog = optimize_onnx("reshape_non_standard_test.onnx");
 
     EXPECT(p == prog);