[x86] Allow address-size overrides for STOS[BWLQ] (PR9385)

[oota-llvm.git] / cmake / modules / LLVMProcessSources.cmake

diff --git a/cmake/modules/LLVMProcessSources.cmake b/cmake/modules/LLVMProcessSources.cmake
index 12a8968c724b94174e1de84aaad4cdaee001d370..2d88abfd75299b19e67c1d1918996b440b0df56f 100644 (file)
--- a/cmake/modules/LLVMProcessSources.cmake
+++ b/cmake/modules/LLVMProcessSources.cmake
@@ -1,5 +1,23 @@
 include(AddFileDependencies)
+include(CMakeParseArguments)
 
+function(llvm_replace_compiler_option var old new)
+  # Replaces a compiler option or switch `old' in `var' by `new'.
+  # If `old' is not in `var', appends `new' to `var'.
+  # Example: llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
+  # If the option already is on the variable, don't add it:
+  if( "${${var}}" MATCHES "(^| )${new}($| )" )
+    set(n "")
+  else()
+    set(n "${new}")
+  endif()
+  if( "${${var}}" MATCHES "(^| )${old}($| )" )
+    string( REGEX REPLACE "(^| )${old}($| )" " ${n} " ${var} "${${var}}" )
+  else()
+    set( ${var} "${${var}} ${n}" )
+  endif()
+  set( ${var} "${${var}}" PARENT_SCOPE )
+endfunction(llvm_replace_compiler_option)
 
 macro(add_td_sources srcs)
   file(GLOB tds *.td)
@@ -21,7 +39,9 @@ endmacro(add_header_files)
 
 
 function(llvm_process_sources OUT_VAR)
-  set( sources ${ARGN} )
+  cmake_parse_arguments(ARG "" "" "ADDITIONAL_HEADERS" ${ARGN})
+  set(sources ${ARG_UNPARSED_ARGUMENTS})
+  llvm_check_source_file_list( ${sources} )
   # Create file dependencies on the tablegenned files, if any.  Seems
   # that this is not strictly needed, as dependencies of the .cpp
   # sources on the tablegenned .inc files are detected and handled,
@@ -30,10 +50,48 @@ function(llvm_process_sources OUT_VAR)
     set( f ${CMAKE_CURRENT_SOURCE_DIR}/${s} )
     add_file_dependencies( ${f} ${TABLEGEN_OUTPUT} )
   endforeach(s)
-  if( MSVC_IDE )
+  if( MSVC_IDE OR XCODE )
     # This adds .td and .h files to the Visual Studio solution:
     add_td_sources(sources)
     add_header_files(sources)
+    set_source_files_properties(${ARG_ADDITIONAL_HEADERS} PROPERTIES HEADER_FILE_ONLY ON)
+    list(APPEND sources ${ARG_ADDITIONAL_HEADERS})
+  endif()
+
+  # Set common compiler options:
+  if( NOT LLVM_REQUIRES_EH )
+    if( LLVM_COMPILER_IS_GCC_COMPATIBLE )
+      add_definitions( -fno-exceptions )
+    elseif( MSVC )
+      llvm_replace_compiler_option(CMAKE_CXX_FLAGS "/EHsc" "/EHs-c-")
+      add_definitions( /D_HAS_EXCEPTIONS=0 )
+    endif()
   endif()
+  if( NOT LLVM_REQUIRES_RTTI )
+    if( LLVM_COMPILER_IS_GCC_COMPATIBLE )
+      llvm_replace_compiler_option(CMAKE_CXX_FLAGS "-frtti" "-fno-rtti")
+    elseif( MSVC )
+      llvm_replace_compiler_option(CMAKE_CXX_FLAGS "/GR" "/GR-")
+    endif()
+  endif()
+
+  set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE )
   set( ${OUT_VAR} ${sources} PARENT_SCOPE )
 endfunction(llvm_process_sources)
+
+
+function(llvm_check_source_file_list)
+  set(listed ${ARGN})
+  file(GLOB globbed *.cpp)
+  foreach(g ${globbed})
+    get_filename_component(fn ${g} NAME)
+    list(FIND LLVM_OPTIONAL_SOURCES ${fn} idx)
+    if( idx LESS 0 )
+      list(FIND listed ${fn} idx)
+      if( idx LESS 0 )
+        message(SEND_ERROR "Found unknown source file ${g}
+Please update ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt\n")
+      endif()
+    endif()
+  endforeach()
+endfunction(llvm_check_source_file_list)