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| author | Alexey Samsonov <vonosmas@gmail.com> | 2014-08-29 00:50:36 +0000 |
|---|---|---|
| committer | Alexey Samsonov <vonosmas@gmail.com> | 2014-08-29 00:50:36 +0000 |
| commit | 4ee2675dfea34926a75dfb61f9ced6a79c7d7eb5 (patch) | |
| tree | 52350b92194ac384b10d078006fd0e6eb923fdf8 | |
| parent | 77bc09f5ab4433cbb0ab9a6c2a75ece1ff241537 (diff) | |
| download | bcm5719-llvm-4ee2675dfea34926a75dfb61f9ced6a79c7d7eb5.tar.gz bcm5719-llvm-4ee2675dfea34926a75dfb61f9ced6a79c7d7eb5.zip | |
Introduce -DLLVM_USE_SANITIZER=Undefined CMake option to build UBSan-ified version of LLVM/Clang.
I've fixed most of the simple bugs and currently "check-llvm" test suite
has 26 failures, and "check-clang" suite has 5 failures.
llvm-svn: 216701
| -rw-r--r-- | clang/test/lit.cfg | 2 | ||||
| -rw-r--r-- | llvm/cmake/modules/HandleLLVMOptions.cmake | 4 | ||||
| -rw-r--r-- | llvm/docs/CMake.rst | 4 | ||||
| -rw-r--r-- | llvm/test/lit.cfg | 2 |
4 files changed, 8 insertions, 4 deletions
diff --git a/clang/test/lit.cfg b/clang/test/lit.cfg index b5c5628a580..2d946c5a65d 100644 --- a/clang/test/lit.cfg +++ b/clang/test/lit.cfg @@ -116,7 +116,7 @@ for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']: config.environment[symbolizer] = os.environ[symbolizer] # Propagate options for sanitizers. -for options in ['ASAN_OPTIONS']: +for options in ['ASAN_OPTIONS', 'UBSAN_OPTIONS']: if options in os.environ: config.environment[options] = os.environ[options] diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake index d17ce11fe9f..2fcdfbefd15 100644 --- a/llvm/cmake/modules/HandleLLVMOptions.cmake +++ b/llvm/cmake/modules/HandleLLVMOptions.cmake @@ -363,6 +363,10 @@ if(LLVM_USE_SANITIZER) if(LLVM_USE_SANITIZER STREQUAL "MemoryWithOrigins") append("-fsanitize-memory-track-origins" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) endif() + elseif (LLVM_USE_SANITIZER STREQUAL "Undefined") + append_common_sanitizer_flags() + append("-fsanitize=undefined -fno-sanitize=vptr -fno-sanitize-recover" + CMAKE_C_FLAGS CMAKE_CXX_FLAGS) else() message(WARNING "Unsupported value of LLVM_USE_SANITIZER: ${LLVM_USE_SANITIZER}") endif() diff --git a/llvm/docs/CMake.rst b/llvm/docs/CMake.rst index 1da123419dc..4a5165b7a13 100644 --- a/llvm/docs/CMake.rst +++ b/llvm/docs/CMake.rst @@ -288,8 +288,8 @@ LLVM-specific variables **LLVM_USE_SANITIZER**:STRING Define the sanitizer used to build LLVM binaries and tests. Possible values - are ``Address``, ``Memory`` and ``MemoryWithOrigins``. Defaults to empty - string. + are ``Address``, ``Memory``, ``MemoryWithOrigins`` and ``Undefined``. + Defaults to empty string. **LLVM_BUILD_DOCS**:BOOL Enables all enabled documentation targets (i.e. Doxgyen and Sphinx targets) to diff --git a/llvm/test/lit.cfg b/llvm/test/lit.cfg index b5a982c02d5..fefba5257cb 100644 --- a/llvm/test/lit.cfg +++ b/llvm/test/lit.cfg @@ -96,7 +96,7 @@ for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']: config.environment[symbolizer] = os.environ[symbolizer] # Propagate options for sanitizers. -for options in ['ASAN_OPTIONS']: +for options in ['ASAN_OPTIONS', 'UBSAN_OPTIONS']: if options in os.environ: config.environment[options] = os.environ[options] |
