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b20ef5f960
As noted in https://bugs.llvm.org/show_bug.cgi?id=36651, the specialization for isPodLike<std::pair<...>> did not match the expectation of std::is_trivially_copyable which makes the memcpy optimization invalid. This patch renames the llvm::isPodLike trait into llvm::is_trivially_copyable. Unfortunately std::is_trivially_copyable is not portable across compiler / STL versions. So a portable version is provided too. Note that the following specialization were invalid: std::pair<T0, T1> llvm::Optional<T> Tests have been added to assert that former specialization are respected by the standard usage of llvm::is_trivially_copyable, and that when a decent version of std::is_trivially_copyable is available, llvm::is_trivially_copyable is compared to std::is_trivially_copyable. As of this patch, llvm::Optional is no longer considered trivially copyable, even if T is. This is to be fixed in a later patch, as it has impact on a long-running bug (see r347004) Note that GCC warns about this UB, but this got silented by https://reviews.llvm.org/D50296. Differential Revision: https://reviews.llvm.org/D54472 llvm-svn: 351701 |
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.. | ||
AsmWriterTest.cpp | ||
AttributesTest.cpp | ||
BasicBlockTest.cpp | ||
CFGBuilder.cpp | ||
CFGBuilder.h | ||
CMakeLists.txt | ||
ConstantRangeTest.cpp | ||
ConstantsTest.cpp | ||
DebugInfoTest.cpp | ||
DebugTypeODRUniquingTest.cpp | ||
DominatorTreeBatchUpdatesTest.cpp | ||
DominatorTreeTest.cpp | ||
DomTreeUpdaterTest.cpp | ||
FunctionTest.cpp | ||
InstructionsTest.cpp | ||
IntrinsicsTest.cpp | ||
IRBuilderTest.cpp | ||
LegacyPassManagerTest.cpp | ||
ManglerTest.cpp | ||
MDBuilderTest.cpp | ||
MetadataTest.cpp | ||
ModuleTest.cpp | ||
PassBuilderCallbacksTest.cpp | ||
PassManagerTest.cpp | ||
PatternMatch.cpp | ||
TypesTest.cpp | ||
UserTest.cpp | ||
UseTest.cpp | ||
ValueHandleTest.cpp | ||
ValueMapTest.cpp | ||
ValueTest.cpp | ||
VerifierTest.cpp | ||
WaymarkTest.cpp |