| //===- 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_TRUE(Shl[0]); |
| EXPECT_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()); |
| } |
| |
| // XFAIL this test on FreeBSD where the system gcc-4.2.1 seems to miscompile it. |
| #if defined(__llvm__) || !defined(__FreeBSD__) |
| |
| 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()); |
| } |
| |
| #endif |
| |
| TEST(APIntTest, i65_Count) { |
| APInt i65minus(65, 0, true); |
| i65minus.setBit(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)); |
| |
| // Rotates. |
| EXPECT_EQ(one, one.rotl(0)); |
| EXPECT_EQ(one, one.rotl(1)); |
| EXPECT_EQ(one, one.rotr(0)); |
| EXPECT_EQ(one, one.rotr(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)); |
| |
| EXPECT_EQ(APInt(32, 0), APInt(32, "0", 36)); |
| EXPECT_EQ(APInt(32, 1), APInt(32, "1", 36)); |
| EXPECT_EQ(APInt(32, 35), APInt(32, "Z", 36)); |
| EXPECT_EQ(APInt(32, 36), APInt(32, "10", 36)); |
| EXPECT_EQ(APInt(32, 71), APInt(32, "1Z", 36)); |
| EXPECT_EQ(APInt(32, 72), APInt(32, "20", 36)); |
| |
| EXPECT_EQ(APInt(32, uint64_t(-0LL)), APInt(32, "-0", 36)); |
| EXPECT_EQ(APInt(32, uint64_t(-1LL)), APInt(32, "-1", 36)); |
| EXPECT_EQ(APInt(32, uint64_t(-35LL)), APInt(32, "-Z", 36)); |
| EXPECT_EQ(APInt(32, uint64_t(-36LL)), APInt(32, "-10", 36)); |
| EXPECT_EQ(APInt(32, uint64_t(-71LL)), APInt(32, "-1Z", 36)); |
| EXPECT_EQ(APInt(32, uint64_t(-72LL)), APInt(32, "-20", 36)); |
| } |
| |
| TEST(APIntTest, FromArray) { |
| EXPECT_EQ(APInt(32, uint64_t(1)), APInt(32, ArrayRef<uint64_t>(1))); |
| } |
| |
| 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, toString) { |
| SmallString<16> S; |
| bool isSigned; |
| |
| APInt(8, 0).toString(S, 2, true, true); |
| EXPECT_EQ(S.str().str(), "0b0"); |
| S.clear(); |
| APInt(8, 0).toString(S, 8, true, true); |
| EXPECT_EQ(S.str().str(), "00"); |
| S.clear(); |
| APInt(8, 0).toString(S, 10, true, true); |
| EXPECT_EQ(S.str().str(), "0"); |
| S.clear(); |
| APInt(8, 0).toString(S, 16, true, true); |
| EXPECT_EQ(S.str().str(), "0x0"); |
| S.clear(); |
| APInt(8, 0).toString(S, 36, true, false); |
| EXPECT_EQ(S.str().str(), "0"); |
| S.clear(); |
| |
| isSigned = false; |
| APInt(8, 255, isSigned).toString(S, 2, isSigned, true); |
| EXPECT_EQ(S.str().str(), "0b11111111"); |
| S.clear(); |
| APInt(8, 255, isSigned).toString(S, 8, isSigned, true); |
| EXPECT_EQ(S.str().str(), "0377"); |
| S.clear(); |
| APInt(8, 255, isSigned).toString(S, 10, isSigned, true); |
| EXPECT_EQ(S.str().str(), "255"); |
| S.clear(); |
| APInt(8, 255, isSigned).toString(S, 16, isSigned, true); |
| EXPECT_EQ(S.str().str(), "0xFF"); |
| S.clear(); |
| APInt(8, 255, isSigned).toString(S, 36, isSigned, false); |
| EXPECT_EQ(S.str().str(), "73"); |
| S.clear(); |
| |
| isSigned = true; |
| APInt(8, 255, isSigned).toString(S, 2, isSigned, true); |
| EXPECT_EQ(S.str().str(), "-0b1"); |
| S.clear(); |
| APInt(8, 255, isSigned).toString(S, 8, isSigned, true); |
| EXPECT_EQ(S.str().str(), "-01"); |
| S.clear(); |
| APInt(8, 255, isSigned).toString(S, 10, isSigned, true); |
| EXPECT_EQ(S.str().str(), "-1"); |
| S.clear(); |
| APInt(8, 255, isSigned).toString(S, 16, isSigned, true); |
| EXPECT_EQ(S.str().str(), "-0x1"); |
| S.clear(); |
| APInt(8, 255, isSigned).toString(S, 36, isSigned, false); |
| EXPECT_EQ(S.str().str(), "-1"); |
| S.clear(); |
| } |
| |
| 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); |
| } |
| |
| TEST(APIntTest, magic) { |
| EXPECT_EQ(APInt(32, 3).magic().m, APInt(32, "55555556", 16)); |
| EXPECT_EQ(APInt(32, 3).magic().s, 0U); |
| EXPECT_EQ(APInt(32, 5).magic().m, APInt(32, "66666667", 16)); |
| EXPECT_EQ(APInt(32, 5).magic().s, 1U); |
| EXPECT_EQ(APInt(32, 7).magic().m, APInt(32, "92492493", 16)); |
| EXPECT_EQ(APInt(32, 7).magic().s, 2U); |
| } |
| |
| TEST(APIntTest, magicu) { |
| EXPECT_EQ(APInt(32, 3).magicu().m, APInt(32, "AAAAAAAB", 16)); |
| EXPECT_EQ(APInt(32, 3).magicu().s, 1U); |
| EXPECT_EQ(APInt(32, 5).magicu().m, APInt(32, "CCCCCCCD", 16)); |
| EXPECT_EQ(APInt(32, 5).magicu().s, 2U); |
| EXPECT_EQ(APInt(32, 7).magicu().m, APInt(32, "24924925", 16)); |
| EXPECT_EQ(APInt(32, 7).magicu().s, 3U); |
| EXPECT_EQ(APInt(64, 25).magicu(1).m, APInt(64, "A3D70A3D70A3D70B", 16)); |
| EXPECT_EQ(APInt(64, 25).magicu(1).s, 4U); |
| } |
| |
| #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, 16, or 36!"); |
| 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 |
| |
| TEST(APIntTest, mul_clear) { |
| APInt ValA(65, -1ULL); |
| APInt ValB(65, 4); |
| APInt ValC(65, 0); |
| ValC = ValA * ValB; |
| ValA *= ValB; |
| EXPECT_EQ(ValA.toString(10, false), ValC.toString(10, false)); |
| } |
| |
| TEST(APIntTest, Rotate) { |
| EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotl(0)); |
| EXPECT_EQ(APInt(8, 2), APInt(8, 1).rotl(1)); |
| EXPECT_EQ(APInt(8, 4), APInt(8, 1).rotl(2)); |
| EXPECT_EQ(APInt(8, 16), APInt(8, 1).rotl(4)); |
| EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotl(8)); |
| |
| EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotl(0)); |
| EXPECT_EQ(APInt(8, 32), APInt(8, 16).rotl(1)); |
| EXPECT_EQ(APInt(8, 64), APInt(8, 16).rotl(2)); |
| EXPECT_EQ(APInt(8, 1), APInt(8, 16).rotl(4)); |
| EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotl(8)); |
| |
| EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotr(0)); |
| EXPECT_EQ(APInt(8, 8), APInt(8, 16).rotr(1)); |
| EXPECT_EQ(APInt(8, 4), APInt(8, 16).rotr(2)); |
| EXPECT_EQ(APInt(8, 1), APInt(8, 16).rotr(4)); |
| EXPECT_EQ(APInt(8, 16), APInt(8, 16).rotr(8)); |
| |
| EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotr(0)); |
| EXPECT_EQ(APInt(8, 128), APInt(8, 1).rotr(1)); |
| EXPECT_EQ(APInt(8, 64), APInt(8, 1).rotr(2)); |
| EXPECT_EQ(APInt(8, 16), APInt(8, 1).rotr(4)); |
| EXPECT_EQ(APInt(8, 1), APInt(8, 1).rotr(8)); |
| } |
| |
| } |