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//===- llvm/unittest/VMCore/InstructionsTest.cpp - Instructions unit tests ===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Instructions.h"
#include "llvm/DerivedTypes.h"
#include "llvm/LLVMContext.h"
#include "gtest/gtest.h"
namespace llvm {
namespace {
TEST(InstructionsTest, ReturnInst) {
LLVMContext &C(getGlobalContext());
// test for PR6589
const ReturnInst* r0 = ReturnInst::Create(C);
EXPECT_EQ(r0->op_begin(), r0->op_end());
const IntegerType* Int1 = IntegerType::get(C, 1);
Constant* One = ConstantInt::get(Int1, 1, true);
const ReturnInst* r1 = ReturnInst::Create(C, One);
User::const_op_iterator b(r1->op_begin());
EXPECT_NE(b, r1->op_end());
EXPECT_EQ(*b, One);
EXPECT_EQ(r1->getOperand(0), One);
++b;
EXPECT_EQ(b, r1->op_end());
}
} // end anonymous namespace
} // end namespace llvm
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