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Artem Dergachev 4449e7f008 [analyzer] Fix trivial copy for empty objects. 
The SVal for any empty C++ object is an UnknownVal. Because RegionStore does
not have binding extents, binding an empty object to an UnknownVal may
potentially overwrite existing bindings at the same offset.

Therefore, when performing a trivial copy of an empty object, don't try to
take the value of the object and bind it to the copy. Doing nothing is accurate
enough, and it doesn't screw any existing bindings.

Differential Revision: https://reviews.llvm.org/D43714

llvm-svn: 326247
 		2018-02-27 21:10:08 +00:00
clang [analyzer] Fix trivial copy for empty objects. 2018-02-27 21:10:08 +00:00
clang-tools-extra add UUID to the acronyms list of objc property name checks 2018-02-27 18:35:53 +00:00
compiler-rt Disable ASan exceptions on NetBSD 2018-02-27 18:05:49 +00:00
debuginfo-tests [Darwin] Specify DWARF 2/4 when running apple accelerator tests. 2018-02-26 20:56:45 +00:00
libclc utils: Adapt to llvm r325155 2018-02-23 07:37:03 +00:00
libcxx [libcxx] [test] Fix MSVC warnings and errors. 2018-02-26 20:47:46 +00:00
libcxxabi [demangler] Support for exception specifications on function types. 2018-02-14 01:08:20 +00:00
libunwind [libunwind] Permit additional compiler and linker flags to be passed to tests. 2018-02-27 18:40:04 +00:00
lld Add `--dynamic-linker=foo` as an alias for `--dynamic-linker foo`. 2018-02-27 20:37:18 +00:00
lldb [LLDB] Initial version of PPC64 InstEmulation 2018-02-27 18:42:46 +00:00
llgo irgen: Create functions instead of global variables for builtin hash and equal algorithms. 2017-06-04 22:11:28 +00:00
llvm llvm-cvtres: Mention ARM64 as a supported machine type in the help text. NFC. 2018-02-27 20:44:33 +00:00
openmp [OMPT] Fix parallel_data in implicit barrier-end 2018-02-23 16:46:25 +00:00
parallel-libs [Axccel] Remove -Wno-missing-braces in build 2016-12-19 21:34:07 +00:00
polly isl: "isl_schedule_get_map: handle trees with divergent filter node parameters" 2018-02-26 09:26:41 +00:00
README.md Add an svn project to contain the files that appear at the root of the 2017-10-19 21:09:49 +00:00

README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.