//===----------------------------------------------------------------------===//
#include <ostream>
-#include "llvm/Support/raw_os_ostream.h"
#include "gtest/gtest.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/SmallString.h"
namespace {
-// Support APInt output to an std::ostream.
-inline std::ostream &operator<<(std::ostream &OS, const APInt &Value) {
- raw_os_ostream RawOS(OS);
- RawOS << Value;
- return OS;
-}
-
// Test that APInt shift left works when bitwidth > 64 and shiftamt == 0
TEST(APIntTest, ShiftLeftByZero) {
APInt One = APInt::getNullValue(65) + 1;
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, +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, 19), APInt(32, "19", 10));
EXPECT_EQ(APInt(32, 20), APInt(32, "20", 10));
- 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, 31), APInt(32, "1F", 16));
EXPECT_EQ(APInt(32, 32), APInt(32, "20", 16));
- 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(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, "1L", 10), "Invalid character in digit string");
}
#endif
+#endif
}