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Diffstat (limited to 'contrib/llvm/unittests/ADT/APIntTest.cpp')
| -rw-r--r-- | contrib/llvm/unittests/ADT/APIntTest.cpp | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/contrib/llvm/unittests/ADT/APIntTest.cpp b/contrib/llvm/unittests/ADT/APIntTest.cpp deleted file mode 100644 index d08e86a..0000000 --- a/contrib/llvm/unittests/ADT/APIntTest.cpp +++ /dev/null @@ -1,346 +0,0 @@ -//===- llvm/unittest/ADT/APInt.cpp - APInt unit tests ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include <ostream> -#include "gtest/gtest.h" -#include "llvm/ADT/APInt.h" -#include "llvm/ADT/SmallString.h" - -using namespace llvm; - -namespace { - -// Test that APInt shift left works when bitwidth > 64 and shiftamt == 0 -TEST(APIntTest, ShiftLeftByZero) { - APInt One = APInt::getNullValue(65) + 1; - APInt Shl = One.shl(0); - EXPECT_EQ(true, Shl[0]); - EXPECT_EQ(false, Shl[1]); -} - -TEST(APIntTest, i128_NegativeCount) { - APInt Minus3(128, static_cast<uint64_t>(-3), true); - EXPECT_EQ(126u, Minus3.countLeadingOnes()); - EXPECT_EQ(-3, Minus3.getSExtValue()); - - APInt Minus1(128, static_cast<uint64_t>(-1), true); - EXPECT_EQ(0u, Minus1.countLeadingZeros()); - EXPECT_EQ(128u, Minus1.countLeadingOnes()); - EXPECT_EQ(128u, Minus1.getActiveBits()); - EXPECT_EQ(0u, Minus1.countTrailingZeros()); - EXPECT_EQ(128u, Minus1.countTrailingOnes()); - EXPECT_EQ(128u, Minus1.countPopulation()); - EXPECT_EQ(-1, Minus1.getSExtValue()); -} - -TEST(APIntTest, i33_Count) { - APInt i33minus2(33, static_cast<uint64_t>(-2), true); - EXPECT_EQ(0u, i33minus2.countLeadingZeros()); - EXPECT_EQ(32u, i33minus2.countLeadingOnes()); - EXPECT_EQ(33u, i33minus2.getActiveBits()); - EXPECT_EQ(1u, i33minus2.countTrailingZeros()); - EXPECT_EQ(32u, i33minus2.countPopulation()); - EXPECT_EQ(-2, i33minus2.getSExtValue()); - EXPECT_EQ(((uint64_t)-2)&((1ull<<33) -1), i33minus2.getZExtValue()); -} - -TEST(APIntTest, i65_Count) { - APInt i65minus(65, 0, true); - i65minus.set(64); - EXPECT_EQ(0u, i65minus.countLeadingZeros()); - EXPECT_EQ(1u, i65minus.countLeadingOnes()); - EXPECT_EQ(65u, i65minus.getActiveBits()); - EXPECT_EQ(64u, i65minus.countTrailingZeros()); - EXPECT_EQ(1u, i65minus.countPopulation()); -} - -TEST(APIntTest, i128_PositiveCount) { - APInt u128max = APInt::getAllOnesValue(128); - EXPECT_EQ(128u, u128max.countLeadingOnes()); - EXPECT_EQ(0u, u128max.countLeadingZeros()); - EXPECT_EQ(128u, u128max.getActiveBits()); - EXPECT_EQ(0u, u128max.countTrailingZeros()); - EXPECT_EQ(128u, u128max.countTrailingOnes()); - EXPECT_EQ(128u, u128max.countPopulation()); - - APInt u64max(128, static_cast<uint64_t>(-1), false); - EXPECT_EQ(64u, u64max.countLeadingZeros()); - EXPECT_EQ(0u, u64max.countLeadingOnes()); - EXPECT_EQ(64u, u64max.getActiveBits()); - EXPECT_EQ(0u, u64max.countTrailingZeros()); - EXPECT_EQ(64u, u64max.countTrailingOnes()); - EXPECT_EQ(64u, u64max.countPopulation()); - EXPECT_EQ((uint64_t)~0ull, u64max.getZExtValue()); - - APInt zero(128, 0, true); - EXPECT_EQ(128u, zero.countLeadingZeros()); - EXPECT_EQ(0u, zero.countLeadingOnes()); - EXPECT_EQ(0u, zero.getActiveBits()); - EXPECT_EQ(128u, zero.countTrailingZeros()); - EXPECT_EQ(0u, zero.countTrailingOnes()); - EXPECT_EQ(0u, zero.countPopulation()); - EXPECT_EQ(0u, zero.getSExtValue()); - EXPECT_EQ(0u, zero.getZExtValue()); - - APInt one(128, 1, true); - EXPECT_EQ(127u, one.countLeadingZeros()); - EXPECT_EQ(0u, one.countLeadingOnes()); - EXPECT_EQ(1u, one.getActiveBits()); - EXPECT_EQ(0u, one.countTrailingZeros()); - EXPECT_EQ(1u, one.countTrailingOnes()); - EXPECT_EQ(1u, one.countPopulation()); - EXPECT_EQ(1, one.getSExtValue()); - EXPECT_EQ(1u, one.getZExtValue()); -} - -TEST(APIntTest, i1) { - const APInt neg_two(1, static_cast<uint64_t>(-2), true); - const APInt neg_one(1, static_cast<uint64_t>(-1), true); - const APInt zero(1, 0); - const APInt one(1, 1); - const APInt two(1, 2); - - EXPECT_EQ(0, neg_two.getSExtValue()); - EXPECT_EQ(-1, neg_one.getSExtValue()); - EXPECT_EQ(1u, neg_one.getZExtValue()); - EXPECT_EQ(0u, zero.getZExtValue()); - EXPECT_EQ(-1, one.getSExtValue()); - EXPECT_EQ(1u, one.getZExtValue()); - EXPECT_EQ(0u, two.getZExtValue()); - EXPECT_EQ(0, two.getSExtValue()); - - // Basic equalities for 1-bit values. - EXPECT_EQ(zero, two); - EXPECT_EQ(zero, neg_two); - EXPECT_EQ(one, neg_one); - EXPECT_EQ(two, neg_two); - - // Additions. - EXPECT_EQ(two, one + one); - EXPECT_EQ(zero, neg_one + one); - EXPECT_EQ(neg_two, neg_one + neg_one); - - // Subtractions. - EXPECT_EQ(neg_two, neg_one - one); - EXPECT_EQ(two, one - neg_one); - EXPECT_EQ(zero, one - one); - - // Shifts. - EXPECT_EQ(zero, one << one); - EXPECT_EQ(one, one << zero); - EXPECT_EQ(zero, one.shl(1)); - EXPECT_EQ(one, one.shl(0)); - EXPECT_EQ(zero, one.lshr(1)); - EXPECT_EQ(zero, one.ashr(1)); - - // Multiplies. - EXPECT_EQ(neg_one, neg_one * one); - EXPECT_EQ(neg_one, one * neg_one); - EXPECT_EQ(one, neg_one * neg_one); - EXPECT_EQ(one, one * one); - - // Divides. - EXPECT_EQ(neg_one, one.sdiv(neg_one)); - EXPECT_EQ(neg_one, neg_one.sdiv(one)); - EXPECT_EQ(one, neg_one.sdiv(neg_one)); - EXPECT_EQ(one, one.sdiv(one)); - - EXPECT_EQ(neg_one, one.udiv(neg_one)); - EXPECT_EQ(neg_one, neg_one.udiv(one)); - EXPECT_EQ(one, neg_one.udiv(neg_one)); - EXPECT_EQ(one, one.udiv(one)); - - // Remainders. - EXPECT_EQ(zero, neg_one.srem(one)); - EXPECT_EQ(zero, neg_one.urem(one)); - EXPECT_EQ(zero, one.srem(neg_one)); -} - -TEST(APIntTest, fromString) { - EXPECT_EQ(APInt(32, 0), APInt(32, "0", 2)); - EXPECT_EQ(APInt(32, 1), APInt(32, "1", 2)); - EXPECT_EQ(APInt(32, 2), APInt(32, "10", 2)); - EXPECT_EQ(APInt(32, 3), APInt(32, "11", 2)); - EXPECT_EQ(APInt(32, 4), APInt(32, "100", 2)); - - EXPECT_EQ(APInt(32, 0), APInt(32, "+0", 2)); - EXPECT_EQ(APInt(32, 1), APInt(32, "+1", 2)); - EXPECT_EQ(APInt(32, 2), APInt(32, "+10", 2)); - EXPECT_EQ(APInt(32, 3), APInt(32, "+11", 2)); - EXPECT_EQ(APInt(32, 4), APInt(32, "+100", 2)); - - EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 2)); - EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 2)); - EXPECT_EQ(APInt(32, uint64_t(-2LL)), APInt(32, "-10", 2)); - EXPECT_EQ(APInt(32, uint64_t(-3LL)), APInt(32, "-11", 2)); - EXPECT_EQ(APInt(32, uint64_t(-4LL)), APInt(32, "-100", 2)); - - - EXPECT_EQ(APInt(32, 0), APInt(32, "0", 8)); - EXPECT_EQ(APInt(32, 1), APInt(32, "1", 8)); - EXPECT_EQ(APInt(32, 7), APInt(32, "7", 8)); - EXPECT_EQ(APInt(32, 8), APInt(32, "10", 8)); - EXPECT_EQ(APInt(32, 15), APInt(32, "17", 8)); - EXPECT_EQ(APInt(32, 16), APInt(32, "20", 8)); - - EXPECT_EQ(APInt(32, +0), APInt(32, "+0", 8)); - EXPECT_EQ(APInt(32, +1), APInt(32, "+1", 8)); - EXPECT_EQ(APInt(32, +7), APInt(32, "+7", 8)); - EXPECT_EQ(APInt(32, +8), APInt(32, "+10", 8)); - EXPECT_EQ(APInt(32, +15), APInt(32, "+17", 8)); - EXPECT_EQ(APInt(32, +16), APInt(32, "+20", 8)); - - EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 8)); - EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 8)); - EXPECT_EQ(APInt(32, uint64_t(-7LL)), APInt(32, "-7", 8)); - EXPECT_EQ(APInt(32, uint64_t(-8LL)), APInt(32, "-10", 8)); - EXPECT_EQ(APInt(32, uint64_t(-15LL)), APInt(32, "-17", 8)); - EXPECT_EQ(APInt(32, uint64_t(-16LL)), APInt(32, "-20", 8)); - - - EXPECT_EQ(APInt(32, 0), APInt(32, "0", 10)); - EXPECT_EQ(APInt(32, 1), APInt(32, "1", 10)); - EXPECT_EQ(APInt(32, 9), APInt(32, "9", 10)); - EXPECT_EQ(APInt(32, 10), APInt(32, "10", 10)); - EXPECT_EQ(APInt(32, 19), APInt(32, "19", 10)); - EXPECT_EQ(APInt(32, 20), APInt(32, "20", 10)); - - EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 10)); - EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 10)); - EXPECT_EQ(APInt(32, uint64_t(-9LL)), APInt(32, "-9", 10)); - EXPECT_EQ(APInt(32, uint64_t(-10LL)), APInt(32, "-10", 10)); - EXPECT_EQ(APInt(32, uint64_t(-19LL)), APInt(32, "-19", 10)); - EXPECT_EQ(APInt(32, uint64_t(-20LL)), APInt(32, "-20", 10)); - - - EXPECT_EQ(APInt(32, 0), APInt(32, "0", 16)); - EXPECT_EQ(APInt(32, 1), APInt(32, "1", 16)); - EXPECT_EQ(APInt(32, 15), APInt(32, "F", 16)); - EXPECT_EQ(APInt(32, 16), APInt(32, "10", 16)); - EXPECT_EQ(APInt(32, 31), APInt(32, "1F", 16)); - EXPECT_EQ(APInt(32, 32), APInt(32, "20", 16)); - - EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 16)); - EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 16)); - EXPECT_EQ(APInt(32, uint64_t(-15LL)), APInt(32, "-F", 16)); - EXPECT_EQ(APInt(32, uint64_t(-16LL)), APInt(32, "-10", 16)); - EXPECT_EQ(APInt(32, uint64_t(-31LL)), APInt(32, "-1F", 16)); - EXPECT_EQ(APInt(32, uint64_t(-32LL)), APInt(32, "-20", 16)); -} - -TEST(APIntTest, StringBitsNeeded2) { - EXPECT_EQ(1U, APInt::getBitsNeeded( "0", 2)); - EXPECT_EQ(1U, APInt::getBitsNeeded( "1", 2)); - EXPECT_EQ(2U, APInt::getBitsNeeded( "10", 2)); - EXPECT_EQ(2U, APInt::getBitsNeeded( "11", 2)); - EXPECT_EQ(3U, APInt::getBitsNeeded("100", 2)); - - EXPECT_EQ(1U, APInt::getBitsNeeded( "+0", 2)); - EXPECT_EQ(1U, APInt::getBitsNeeded( "+1", 2)); - EXPECT_EQ(2U, APInt::getBitsNeeded( "+10", 2)); - EXPECT_EQ(2U, APInt::getBitsNeeded( "+11", 2)); - EXPECT_EQ(3U, APInt::getBitsNeeded("+100", 2)); - - EXPECT_EQ(2U, APInt::getBitsNeeded( "-0", 2)); - EXPECT_EQ(2U, APInt::getBitsNeeded( "-1", 2)); - EXPECT_EQ(3U, APInt::getBitsNeeded( "-10", 2)); - EXPECT_EQ(3U, APInt::getBitsNeeded( "-11", 2)); - EXPECT_EQ(4U, APInt::getBitsNeeded("-100", 2)); -} - -TEST(APIntTest, StringBitsNeeded8) { - EXPECT_EQ(3U, APInt::getBitsNeeded( "0", 8)); - EXPECT_EQ(3U, APInt::getBitsNeeded( "7", 8)); - EXPECT_EQ(6U, APInt::getBitsNeeded("10", 8)); - EXPECT_EQ(6U, APInt::getBitsNeeded("17", 8)); - EXPECT_EQ(6U, APInt::getBitsNeeded("20", 8)); - - EXPECT_EQ(3U, APInt::getBitsNeeded( "+0", 8)); - EXPECT_EQ(3U, APInt::getBitsNeeded( "+7", 8)); - EXPECT_EQ(6U, APInt::getBitsNeeded("+10", 8)); - EXPECT_EQ(6U, APInt::getBitsNeeded("+17", 8)); - EXPECT_EQ(6U, APInt::getBitsNeeded("+20", 8)); - - EXPECT_EQ(4U, APInt::getBitsNeeded( "-0", 8)); - EXPECT_EQ(4U, APInt::getBitsNeeded( "-7", 8)); - EXPECT_EQ(7U, APInt::getBitsNeeded("-10", 8)); - EXPECT_EQ(7U, APInt::getBitsNeeded("-17", 8)); - EXPECT_EQ(7U, APInt::getBitsNeeded("-20", 8)); -} - -TEST(APIntTest, StringBitsNeeded10) { - EXPECT_EQ(1U, APInt::getBitsNeeded( "0", 10)); - EXPECT_EQ(2U, APInt::getBitsNeeded( "3", 10)); - EXPECT_EQ(4U, APInt::getBitsNeeded( "9", 10)); - EXPECT_EQ(4U, APInt::getBitsNeeded("10", 10)); - EXPECT_EQ(5U, APInt::getBitsNeeded("19", 10)); - EXPECT_EQ(5U, APInt::getBitsNeeded("20", 10)); - - EXPECT_EQ(1U, APInt::getBitsNeeded( "+0", 10)); - EXPECT_EQ(4U, APInt::getBitsNeeded( "+9", 10)); - EXPECT_EQ(4U, APInt::getBitsNeeded("+10", 10)); - EXPECT_EQ(5U, APInt::getBitsNeeded("+19", 10)); - EXPECT_EQ(5U, APInt::getBitsNeeded("+20", 10)); - - EXPECT_EQ(2U, APInt::getBitsNeeded( "-0", 10)); - EXPECT_EQ(5U, APInt::getBitsNeeded( "-9", 10)); - EXPECT_EQ(5U, APInt::getBitsNeeded("-10", 10)); - EXPECT_EQ(6U, APInt::getBitsNeeded("-19", 10)); - EXPECT_EQ(6U, APInt::getBitsNeeded("-20", 10)); -} - -TEST(APIntTest, StringBitsNeeded16) { - EXPECT_EQ(4U, APInt::getBitsNeeded( "0", 16)); - EXPECT_EQ(4U, APInt::getBitsNeeded( "F", 16)); - EXPECT_EQ(8U, APInt::getBitsNeeded("10", 16)); - EXPECT_EQ(8U, APInt::getBitsNeeded("1F", 16)); - EXPECT_EQ(8U, APInt::getBitsNeeded("20", 16)); - - EXPECT_EQ(4U, APInt::getBitsNeeded( "+0", 16)); - EXPECT_EQ(4U, APInt::getBitsNeeded( "+F", 16)); - EXPECT_EQ(8U, APInt::getBitsNeeded("+10", 16)); - EXPECT_EQ(8U, APInt::getBitsNeeded("+1F", 16)); - EXPECT_EQ(8U, APInt::getBitsNeeded("+20", 16)); - - EXPECT_EQ(5U, APInt::getBitsNeeded( "-0", 16)); - EXPECT_EQ(5U, APInt::getBitsNeeded( "-F", 16)); - EXPECT_EQ(9U, APInt::getBitsNeeded("-10", 16)); - EXPECT_EQ(9U, APInt::getBitsNeeded("-1F", 16)); - EXPECT_EQ(9U, APInt::getBitsNeeded("-20", 16)); -} - -TEST(APIntTest, Log2) { - EXPECT_EQ(APInt(15, 7).logBase2(), 2U); - EXPECT_EQ(APInt(15, 7).ceilLogBase2(), 3U); - EXPECT_EQ(APInt(15, 7).exactLogBase2(), -1); - EXPECT_EQ(APInt(15, 8).logBase2(), 3U); - EXPECT_EQ(APInt(15, 8).ceilLogBase2(), 3U); - EXPECT_EQ(APInt(15, 8).exactLogBase2(), 3); - EXPECT_EQ(APInt(15, 9).logBase2(), 3U); - EXPECT_EQ(APInt(15, 9).ceilLogBase2(), 4U); - EXPECT_EQ(APInt(15, 9).exactLogBase2(), -1); -} - -#ifdef GTEST_HAS_DEATH_TEST -#ifndef NDEBUG -TEST(APIntTest, StringDeath) { - EXPECT_DEATH(APInt(0, "", 0), "Bitwidth too small"); - EXPECT_DEATH(APInt(32, "", 0), "Invalid string length"); - EXPECT_DEATH(APInt(32, "0", 0), "Radix should be 2, 8, 10, or 16!"); - EXPECT_DEATH(APInt(32, "", 10), "Invalid string length"); - EXPECT_DEATH(APInt(32, "-", 10), "String is only a sign, needs a value."); - EXPECT_DEATH(APInt(1, "1234", 10), "Insufficient bit width"); - EXPECT_DEATH(APInt(32, "\0", 10), "Invalid string length"); - EXPECT_DEATH(APInt(32, StringRef("1\02", 3), 10), "Invalid character in digit string"); - EXPECT_DEATH(APInt(32, "1L", 10), "Invalid character in digit string"); -} -#endif -#endif - -} |
