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author | Benjamin Kramer <benny.kra@googlemail.com> | 2014-03-02 20:56:28 +0000 |
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committer | Benjamin Kramer <benny.kra@googlemail.com> | 2014-03-02 20:56:28 +0000 |
commit | 3efb8b2c0f95003acfb32b08c3ecc09dcdc9990f (patch) | |
tree | 33122279158cbbca9826970f06527acc8447ff51 /unittests | |
parent | 833687be0e2c3f38086abcaf1b9fb46d972c97b0 (diff) | |
download | llvm-3efb8b2c0f95003acfb32b08c3ecc09dcdc9990f.tar.gz llvm-3efb8b2c0f95003acfb32b08c3ecc09dcdc9990f.tar.bz2 llvm-3efb8b2c0f95003acfb32b08c3ecc09dcdc9990f.tar.xz |
Give APInt move semantics.
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
Diffstat (limited to 'unittests')
-rw-r--r-- | unittests/ADT/APSIntTest.cpp | 44 | ||||
-rw-r--r-- | unittests/ADT/CMakeLists.txt | 1 |
2 files changed, 45 insertions, 0 deletions
diff --git a/unittests/ADT/APSIntTest.cpp b/unittests/ADT/APSIntTest.cpp new file mode 100644 index 0000000000..eef9c8a90a --- /dev/null +++ b/unittests/ADT/APSIntTest.cpp @@ -0,0 +1,44 @@ +//===- llvm/unittest/ADT/APSIntTest.cpp - APSInt 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/ADT/APSInt.h" +#include "gtest/gtest.h" + +using namespace llvm; + +namespace { + +TEST(APSIntTest, MoveTest) { + APSInt A(32, true); + EXPECT_TRUE(A.isUnsigned()); + + APSInt B(128, false); + A = B; + EXPECT_FALSE(A.isUnsigned()); + + APSInt C(B); + EXPECT_FALSE(C.isUnsigned()); + + APInt Wide(256, 0); + const uint64_t *Bits = Wide.getRawData(); + APSInt D(std::move(Wide)); + EXPECT_TRUE(D.isUnsigned()); + EXPECT_EQ(Bits, D.getRawData()); // Verify that "Wide" was really moved. + + A = APSInt(64, true); + EXPECT_TRUE(A.isUnsigned()); + + Wide = APInt(128, 1); + Bits = Wide.getRawData(); + A = std::move(Wide); + EXPECT_TRUE(A.isUnsigned()); + EXPECT_EQ(Bits, A.getRawData()); // Verify that "Wide" was really moved. +} + +} diff --git a/unittests/ADT/CMakeLists.txt b/unittests/ADT/CMakeLists.txt index b7d006ac66..f26ac02feb 100644 --- a/unittests/ADT/CMakeLists.txt +++ b/unittests/ADT/CMakeLists.txt @@ -5,6 +5,7 @@ set(LLVM_LINK_COMPONENTS set(ADTSources APFloatTest.cpp APIntTest.cpp + APSIntTest.cpp ArrayRefTest.cpp BitVectorTest.cpp DAGDeltaAlgorithmTest.cpp |