//
//===----------------------------------------------------------------------===//
-#include <ostream>
-#include "llvm/Support/raw_ostream.h"
-#include "gtest/gtest.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/SmallString.h"
+#include "gtest/gtest.h"
+#include <ostream>
using namespace llvm;
TEST(APIntTest, ShiftLeftByZero) {
APInt One = APInt::getNullValue(65) + 1;
APInt Shl = One.shl(0);
- EXPECT_EQ(true, Shl[0]);
- EXPECT_EQ(false, Shl[1]);
+ EXPECT_TRUE(Shl[0]);
+ EXPECT_FALSE(Shl[1]);
}
TEST(APIntTest, i128_NegativeCount) {
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(((uint64_t)-2)&((1ull<<33) -1), i33minus2.getZExtValue());
}
+#endif
+
TEST(APIntTest, i65_Count) {
APInt i65minus(65, 0, true);
- i65minus.set(64);
+ i65minus.setBit(64);
EXPECT_EQ(0u, i65minus.countLeadingZeros());
EXPECT_EQ(1u, i65minus.countLeadingOnes());
EXPECT_EQ(65u, i65minus.getActiveBits());
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(zero, neg_one.srem(one));
EXPECT_EQ(zero, neg_one.urem(one));
EXPECT_EQ(zero, one.srem(neg_one));
+
+ // sdivrem
+ {
+ APInt q(8, 0);
+ APInt r(8, 0);
+ APInt one(8, 1);
+ APInt two(8, 2);
+ APInt nine(8, 9);
+ APInt four(8, 4);
+
+ EXPECT_EQ(nine.srem(two), one);
+ EXPECT_EQ(nine.srem(-two), one);
+ EXPECT_EQ((-nine).srem(two), -one);
+ EXPECT_EQ((-nine).srem(-two), -one);
+
+ APInt::sdivrem(nine, two, q, r);
+ EXPECT_EQ(four, q);
+ EXPECT_EQ(one, r);
+ APInt::sdivrem(-nine, two, q, r);
+ EXPECT_EQ(-four, q);
+ EXPECT_EQ(-one, r);
+ APInt::sdivrem(nine, -two, q, r);
+ EXPECT_EQ(-four, q);
+ EXPECT_EQ(one, r);
+ APInt::sdivrem(-nine, -two, q, r);
+ EXPECT_EQ(four, q);
+ EXPECT_EQ(-one, r);
+ }
}
TEST(APIntTest, fromString) {
- EXPECT_EQ(APInt(1, 0), APInt(1, "0", 10));
- EXPECT_EQ(APInt(1, 1), APInt(1, "1", 10));
- EXPECT_EQ(APInt(1, 1), APInt(1, "-1", 10));
- EXPECT_EQ(APInt(1, 1), APInt(1, "1", 2));
- EXPECT_EQ(APInt(1, 1), APInt(1, "1", 8));
- EXPECT_EQ(APInt(1, 1), APInt(1, "1", 16));
+ 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), "Radix should be 2, 8, 10, or 16!");
+ 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 minus!");
+ 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));
+
+ APInt Big(256, "00004000800000000000000000003fff8000000000000000", 16);
+ APInt Rot(256, "3fff80000000000000000000000000000000000040008000", 16);
+ EXPECT_EQ(Rot, Big.rotr(144));
+}
}
projects / oota-llvm.git / blobdiff