| Jim Stichnoth | 0933c0c | 2015-06-12 10:41:16 -0700 | [diff] [blame] | 1 | //===- subzero/crosstest/test_strengthreduce.cpp - Strength reduction -----===// |
| 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 | // Implementation for crosstesting strength reduction. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "test_strengthreduce.h" |
| 15 | |
| 16 | // TODO(stichnot): Extend to i16 and i8 types, and also test the |
| 17 | // commutativity transformations. This may require hand-generating |
| 18 | // .ll files, because of C/C++ integer promotion rules for arithmetic, |
| 19 | // and because clang prefers to do its own commutativity |
| 20 | // transformation. |
| 21 | |
| 22 | #define X(constant, suffix) \ |
| 23 | uint32_t multiplyByConst##suffix(uint32_t Val) { \ |
| 24 | return Val * (uint32_t)constant; \ |
| 25 | } \ |
| 26 | int32_t multiplyByConst##suffix(int32_t Val) { \ |
| 27 | return Val * (int32_t)constant; \ |
| 28 | } |
| 29 | CONST_TABLE |
| 30 | #undef X |
