//
//===----------------------------------------------------------------------===//
+#include <ostream>
#include "gtest/gtest.h"
#include "llvm/ADT/APInt.h"
+#include "llvm/ADT/SmallString.h"
using namespace llvm;
EXPECT_EQ(false, Shl[1]);
}
-TEST(APIntTest, I128NegativeCount) {
- APInt Minus3(128, (uint64_t)-3, true);
+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, (uint64_t)-1, true);
+ 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(-1, Minus1.getSExtValue());
}
-TEST(APIntTest, I33Count) {
- APInt i33minus2(33, -2, true);
+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(((uint64_t)-2)&((1ull<<33) -1), i33minus2.getZExtValue());
}
-TEST(APIntTest, I65Count) {
+TEST(APIntTest, i65_Count) {
APInt i65minus(65, 0, true);
i65minus.set(64);
EXPECT_EQ(0u, i65minus.countLeadingZeros());
EXPECT_EQ(1u, i65minus.countPopulation());
}
-TEST(APIntTest, I128PositiveCount) {
+TEST(APIntTest, i128_PositiveCount) {
APInt u128max = APInt::getAllOnesValue(128);
EXPECT_EQ(128u, u128max.countLeadingOnes());
EXPECT_EQ(0u, u128max.countLeadingZeros());
EXPECT_EQ(128u, u128max.countTrailingOnes());
EXPECT_EQ(128u, u128max.countPopulation());
- APInt u64max(128, (uint64_t)-1, false);
+ 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(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
+
}
projects / oota-llvm.git / blobdiff