#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/LLVMContext.h"
#include "gtest/gtest.h"
namespace llvm {
namespace {
TEST(ConstantsTest, Integer_i1) {
const IntegerType* Int1 = IntegerType::get(getGlobalContext(), 1);
Constant* One = ConstantInt::get(Int1, 1, true);
Constant* Zero = ConstantInt::get(Int1, 0);
Constant* NegOne = ConstantInt::get(Int1, static_cast<uint64_t>(-1), true);
EXPECT_EQ(NegOne, ConstantInt::getSigned(Int1, -1));
Constant* Undef = UndefValue::get(Int1);
EXPECT_EQ(Zero, ConstantExpr::getAdd(One, One));
EXPECT_EQ(Zero, ConstantExpr::getAdd(NegOne, One));
EXPECT_EQ(Zero, ConstantExpr::getAdd(NegOne, NegOne));
EXPECT_EQ(Zero, ConstantExpr::getSub(NegOne, One));
EXPECT_EQ(Zero, ConstantExpr::getSub(One, NegOne));
EXPECT_EQ(Zero, ConstantExpr::getSub(One, One));
EXPECT_EQ(Undef, ConstantExpr::getShl(One, One));
EXPECT_EQ(One, ConstantExpr::getShl(One, Zero));
EXPECT_EQ(Undef, ConstantExpr::getLShr(One, One));
EXPECT_EQ(Undef, ConstantExpr::getAShr(One, One));
EXPECT_EQ(One, ConstantExpr::getMul(NegOne, One));
EXPECT_EQ(One, ConstantExpr::getSDiv(NegOne, One));
EXPECT_EQ(One, ConstantExpr::getSDiv(One, NegOne));
EXPECT_EQ(One, ConstantExpr::getUDiv(NegOne, One));
EXPECT_EQ(One, ConstantExpr::getUDiv(One, NegOne));
EXPECT_EQ(Zero, ConstantExpr::getSRem(NegOne, One));
EXPECT_EQ(Zero, ConstantExpr::getURem(NegOne, One));
EXPECT_EQ(Zero, ConstantExpr::getSRem(One, NegOne));
}
TEST(ConstantsTest, IntSigns) {
const IntegerType* Int8Ty = Type::getInt8Ty(getGlobalContext());
EXPECT_EQ(100, ConstantInt::get(Int8Ty, 100, false)->getSExtValue());
EXPECT_EQ(100, ConstantInt::get(Int8Ty, 100, true)->getSExtValue());
EXPECT_EQ(100, ConstantInt::getSigned(Int8Ty, 100)->getSExtValue());
EXPECT_EQ(-50, ConstantInt::get(Int8Ty, 206)->getSExtValue());
EXPECT_EQ(-50, ConstantInt::getSigned(Int8Ty, -50)->getSExtValue());
EXPECT_EQ(206U, ConstantInt::getSigned(Int8Ty, -50)->getZExtValue());
EXPECT_EQ(0x3b, ConstantInt::get(Int8Ty, 0x13b)->getSExtValue());
}
} }