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3efb8b2c0f
The interaction between defaulted operators and move elision isn't totally obvious, add a unit test so it doesn't break unintentionally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202662 91177308-0d34-0410-b5e6-96231b3b80d8
45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
//===- llvm/unittest/ADT/APSIntTest.cpp - APSInt unit tests ---------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/APSInt.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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TEST(APSIntTest, MoveTest) {
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APSInt A(32, true);
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EXPECT_TRUE(A.isUnsigned());
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APSInt B(128, false);
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A = B;
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EXPECT_FALSE(A.isUnsigned());
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APSInt C(B);
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EXPECT_FALSE(C.isUnsigned());
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APInt Wide(256, 0);
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const uint64_t *Bits = Wide.getRawData();
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APSInt D(std::move(Wide));
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EXPECT_TRUE(D.isUnsigned());
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EXPECT_EQ(Bits, D.getRawData()); // Verify that "Wide" was really moved.
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A = APSInt(64, true);
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EXPECT_TRUE(A.isUnsigned());
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Wide = APInt(128, 1);
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Bits = Wide.getRawData();
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A = std::move(Wide);
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EXPECT_TRUE(A.isUnsigned());
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EXPECT_EQ(Bits, A.getRawData()); // Verify that "Wide" was really moved.
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}
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}
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