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| author |  Evan Brown <ezb@google.com> | 2022-07-27 13:45:19 -0700 |
|---|---|---|
| committer |  Copybara-Service <copybara-worker@google.com> | 2022-07-27 13:46:14 -0700 |
| commit | c7e60ccfcd708a73008ed2df040162c66697bc18 (patch) | |
| tree | 904eb83861d0174d48ee11b5637c8919be623d40 /absl/base/optimization_test.cc | |
| parent | 51f6d868c8463ac13492d504cbc034e91b43a461 (diff) | |
Add ABSL_IS_TRIVIALLY_RELOCATABLE and ABSL_ATTRIBUTE_TRIVIAL_ABI macros for use with clang's __is_trivially_relocatable and [[clang::trivial_abi]].
PiperOrigin-RevId: 463668740
Change-Id: I2d2d2f53d8184a7e4f7c848c2a5f5140c2481d72
Diffstat (limited to 'absl/base/optimization_test.cc')
| -rw-r--r-- | absl/base/optimization_test.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/absl/base/optimization_test.cc b/absl/base/optimization_test.cc index e83369f3..5f7a8f4c 100644 --- a/absl/base/optimization_test.cc +++ b/absl/base/optimization_test.cc @@ -15,6 +15,7 @@ #include "absl/base/optimization.h" #include "gtest/gtest.h" +#include "absl/base/attributes.h" #include "absl/types/optional.h" namespace { @@ -126,4 +127,22 @@ TEST(PredictTest, ExplicitBoolConversion) { if (ABSL_PREDICT_FALSE(is_false)) ADD_FAILURE(); } +TEST(TrivallyRelocatable, Sanity) { +#if !defined(ABSL_HAVE_ATTRIBUTE_TRIVIAL_ABI) || \ + !ABSL_HAVE_BUILTIN(__is_trivially_relocatable) + GTEST_SKIP() << "No trivial ABI support."; +#endif + + struct Trivial {}; + struct NonTrivial { + NonTrivial(const NonTrivial&) {} + }; + struct ABSL_ATTRIBUTE_TRIVIAL_ABI TrivialAbi { + TrivialAbi(const TrivialAbi&) {} + }; + EXPECT_TRUE(ABSL_IS_TRIVIALLY_RELOCATABLE(Trivial)); + EXPECT_FALSE(ABSL_IS_TRIVIALLY_RELOCATABLE(NonTrivial)); + EXPECT_TRUE(ABSL_IS_TRIVIALLY_RELOCATABLE(TrivialAbi)); +} + } // namespace |