Fixing most of the cppcheck errors. (#1142)

* fix cppcheck errors, first pass

* fix format

* fix returned value in examples

* add macro definitions for cppcheck

* fix the profile_gemm logic

* update the gemm profiler logic

* add more difinitions to cppcheck, fix couple more errors

* replace runtime error with message in device function

* fix a couple of int4 issues

* no return for fill function

* fix errors in data_types.hpp

* fix format

* fix few remaining errors

* fix errors in data_types.hpp

* fix last couple of errors in datat_types.hpp

[ROCm/composable_kernel commit: 180e572076]

include/ck/utility/data_type.hpp

@@ -189,6 +189,7 @@ struct vector_type<T, 1>
     }
 };
 
+int static err = 0;
 template <typename T>
 struct vector_type<T, 2>
 {
@@ -221,6 +222,10 @@ struct vector_type<T, 2>
         {
             return data_.d2x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 
     template <typename X>
@@ -236,6 +241,10 @@ struct vector_type<T, 2>
         {
             return data_.d2x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 };
 
@@ -278,6 +287,10 @@ struct vector_type<T, 4>
         {
             return data_.d4x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 
     template <typename X>
@@ -298,6 +311,10 @@ struct vector_type<T, 4>
         {
             return data_.d4x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 };
 
@@ -347,6 +364,10 @@ struct vector_type<T, 8>
         {
             return data_.d8x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 
     template <typename X>
@@ -372,6 +393,10 @@ struct vector_type<T, 8>
         {
             return data_.d8x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 };
 
@@ -428,6 +453,10 @@ struct vector_type<T, 16>
         {
             return data_.d16x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 
     template <typename X>
@@ -458,6 +487,10 @@ struct vector_type<T, 16>
         {
             return data_.d16x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 };
 
@@ -520,6 +553,10 @@ struct vector_type<T, 32>
         {
             return data_.d32x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 
     template <typename X>
@@ -554,6 +591,10 @@ struct vector_type<T, 32>
         {
             return data_.d32x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 };
 
@@ -623,6 +664,10 @@ struct vector_type<T, 64>
         {
             return data_.d64x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 
     template <typename X>
@@ -662,6 +707,10 @@ struct vector_type<T, 64>
         {
             return data_.d64x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 };
 
@@ -737,6 +786,10 @@ struct vector_type<T, 128>
         {
             return data_.d128x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 
     template <typename X>
@@ -780,6 +833,10 @@ struct vector_type<T, 128>
         {
             return data_.d128x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 };
 
@@ -861,6 +918,10 @@ struct vector_type<T, 256>
         {
             return data_.d256x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 
     template <typename X>
@@ -908,6 +969,10 @@ struct vector_type<T, 256>
         {
             return data_.d256x1_;
         }
+        else
+        {
+            return err;
+        }
     }
 };