diff options
| -rw-r--r-- | llvm/cmake/modules/HandleLLVMOptions.cmake | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake index 0c3419390c27..cfcbb8f8aec3 100644 --- a/llvm/cmake/modules/HandleLLVMOptions.cmake +++ b/llvm/cmake/modules/HandleLLVMOptions.cmake @@ -316,12 +316,11 @@ if( LLVM_ENABLE_PIC ) # Note: GCC<10.3 has a bug on SystemZ. # # Note: Clang allows IPO for -fPIC so this optimization is less effective. - # Older Clang may support -fno-semantic-interposition but it used local - # aliases to optimize global variables, which is incompatible with copy - # relocations due to -fno-pic. + # Clang 13 has a bug related to -fsanitize-coverage + # -fno-semantic-interposition (https://reviews.llvm.org/D117183). if ((CMAKE_COMPILER_IS_GNUCXX AND NOT (LLVM_NATIVE_ARCH STREQUAL "SystemZ" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.3)) - OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 13)) + OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 14)) add_flag_if_supported("-fno-semantic-interposition" FNO_SEMANTIC_INTERPOSITION) endif() endif() |