Refactor wimpy feature (#2507)

- Make it a common parameter in harness using either '-w', '--wimpy' or
'CL_WIMPY_MODE' environment variable.
- Remove all test specific wimpy variable.

---------

Co-authored-by: Kévin Petit <kpet@free.fr>

test_common/harness/parseParameters.cpp

@@ -36,6 +36,7 @@ bool gDisableSPIRVValidation = false;
 std::string gSPIRVValidator = DEFAULT_SPIRV_VALIDATOR;
 unsigned gNumWorkerThreads;
 bool gListTests = false;
+bool gWimpyMode = false;
 
 void helpInfo()
 {
@@ -52,6 +53,10 @@ void helpInfo()
         Select parallel execution with the specified number of worker threads.
     --list
         List sub-tests
+    -w, --wimpy
+        Enable wimpy mode. It does not impact all tests. Impacted tests will run
+        with a very small subset of the tests. This option should not be used
+        for conformance submission (default: disabled).
 
 For offline compilation (binary and spir-v modes) only:
     --compilation-cache-mode <cache-mode>
@@ -112,6 +117,11 @@ int parseCustomParam(int argc, const char *argv[], const char *ignore)
             delArg++;
             gListTests = true;
         }
+        else if (!strcmp(argv[i], "--wimpy") || !strcmp(argv[i], "-w"))
+        {
+            delArg++;
+            gWimpyMode = true;
+        }
         else if (!strcmp(argv[i], "--compilation-mode"))
         {
             delArg++;

test_common/harness/parseParameters.h

@@ -41,6 +41,7 @@ extern std::string gCompilationProgram;
 extern bool gDisableSPIRVValidation;
 extern std::string gSPIRVValidator;
 extern bool gListTests;
+extern bool gWimpyMode;
 
 extern int parseCustomParam(int argc, const char *argv[],
                             const char *ignore = 0);

test_common/harness/testHarness.cpp

@@ -278,6 +278,16 @@ int runTestHarnessWithCheck(int argc, const char *argv[], int testNum,
         return EXIT_SUCCESS;
     }
 
+    gWimpyMode |= (getenv("CL_WIMPY_MODE") != nullptr);
+    if (gWimpyMode)
+    {
+        log_info("\n");
+        log_info("**************************\n");
+        log_info("*** Wimpy mode enabled ***\n");
+        log_info("**************************\n");
+        log_info("\n");
+    }
+
     if ((argc > 1) && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")))
     {
         char *fileName = getenv("CL_CONFORMANCE_RESULTS_FILENAME");