1 //===- subzero/crosstest/test_strengthreduce_main.cpp - Driver for tests --===// 2 // 3 // The Subzero Code Generator 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Driver for crosstesting arithmetic strength-reducing optimizations. 11 // 12 //===----------------------------------------------------------------------===// 13 14 /* crosstest.py --test=test_strengthreduce.cpp \ 15 --driver=test_strengthreduce_main.cpp \ 16 --prefix=Subzero_ --clang-opt=0 --output=test_strengthreduce */ 17 18 #include <iostream> 19 20 // Include test_strengthreduce.h twice - once normally, and once 21 // within the Subzero_ namespace, corresponding to the llc and Subzero 22 // translated object files, respectively. 23 #include "test_strengthreduce.h" 24 namespace Subzero_ { 25 #include "test_strengthreduce.h" 26 } 27 28 int main(int argc, char *argv[]) { 29 size_t TotalTests = 0; 30 size_t Passes = 0; 31 size_t Failures = 0; 32 static int32_t Values[] = {-100, -50, 0, 1, 8, 123, 0x33333333, 0x77777777}; 33 for (size_t i = 0; i < sizeof(Values) / sizeof(*Values); ++i) { 34 int32_t SVal = Values[i]; 35 int32_t ResultLlcS, ResultSzS; 36 uint32_t UVal = (uint32_t)Values[i]; 37 int32_t ResultLlcU, ResultSzU; 38 39 #define X(constant, suffix) \ 40 ResultLlcS = multiplyByConst##suffix(UVal); \ 41 ResultSzS = Subzero_::multiplyByConst##suffix(UVal); \ 42 if (ResultLlcS == ResultSzS) { \ 43 ++Passes; \ 44 } else { \ 45 ++Failures; \ 46 std::cout << "multiplyByConstS" STR(suffix) "(" << SVal \ 47 << "): sz=" << ResultSzS << " llc=" << ResultLlcS << "\n"; \ 48 } \ 49 ResultLlcU = multiplyByConst##suffix(UVal); \ 50 ResultSzU = Subzero_::multiplyByConst##suffix(UVal); \ 51 if (ResultLlcU == ResultSzU) { \ 52 ++Passes; \ 53 } else { \ 54 ++Failures; \ 55 std::cout << "multiplyByConstU" STR(suffix) "(" << UVal \ 56 << "): sz=" << ResultSzU << " llc=" << ResultLlcU << "\n"; \ 57 } 58 CONST_TABLE 59 #undef X 60 } 61 62 std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes 63 << " Failures=" << Failures << "\n"; 64 return Failures; 65 } 66
