+++ /dev/null
-/* -*-c++-*- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include "llvm/Support/MathExtras.h"
-
-inline void
-testPow(int C, bool isPow)
-{
- unsigned pow = 0;
- bool testIsPow = IsPowerOf2(C, pow);
- if (isPow != testIsPow)
- printf("ERROR: IsPowerOf2() says \t%d %s a power of 2 = %d\n",
- C, (isPow? "IS" : "IS NOT"), pow);
-
-#undef PRINT_CORRECT_RESULTS
-#ifdef PRINT_CORRECT_RESULTS
- else
- printf("CORRECT: IsPowerOf2() says \t%d %s a power of 2 = %d\n",
- C, (isPow? "IS" : "IS NOT"), pow);
-#endif PRINT_CORRECT_RESULTS
-}
-
-int
-main(int argc, char** argv)
-{
- unsigned L = (argc > 1)? atoi(argv[1]) : 16;
- unsigned C = 1;
-
- testPow(0, false);
-
- for (unsigned i = 1; i < L; i++, C = C << 1)
- {
- testPow(C, true);
- testPow(-C, true);
- for (unsigned j = C+1; j < (C << 1); j++)
- {
- testPow(j, false);
- testPow(-j, false);
- }
- }
-
- return 0;
-}
-
-