[PATCH] D74573: [windows] Add /Gw to compiler flags

[Nico Weber via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG09153ab9d267: [windows] Add /Gw to compiler flags (authored by thakis).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D74573/new/

https://reviews.llvm.org/D74573

Files:
  llvm/cmake/modules/HandleLLVMOptions.cmake
  llvm/utils/gn/build/BUILD.gn


Index: llvm/utils/gn/build/BUILD.gn
===================================================================
--- llvm/utils/gn/build/BUILD.gn
+++ llvm/utils/gn/build/BUILD.gn
@@ -59,8 +59,8 @@
     }
     if (is_optimized) {
       cflags += [
-        # FIXME: evaluate /Gw (not part of /O2)
         "/O2",
+        "/Gw",
         "/Zc:inline",
       ]
       ldflags += [
Index: llvm/cmake/modules/HandleLLVMOptions.cmake
===================================================================
--- llvm/cmake/modules/HandleLLVMOptions.cmake
+++ llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -793,6 +793,10 @@
     endif()
     add_flag_if_supported("-fdata-sections" FDATA_SECTIONS)
   endif()
+elseif(MSVC)
+  if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
+    append("/Gw" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+  endif()
 endif()
 
 if(MSVC)


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