Add -femit-all-decls codegen option.

 - Emits all declarations, even unused (static) ones.
 - Useful when doing minimization of codegen problems (otherwise
   problems localized to a static function aren't minimized well).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63776 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 0 deletions

diff --git a/include/clang/Basic/LangOptions.h b/include/clang/Basic/LangOptions.h
index b615412f20..b85a74bc4a 100644
--- a/include/clang/Basic/LangOptions.h
+++ b/include/clang/Basic/LangOptions.h
@@ -51,6 +51,8 @@ struct LangOptions {
   unsigned ThreadsafeStatics : 1; // Whether static initializers are protected
                                   // by locks.
   unsigned Blocks            : 1; // block extension to C
+  unsigned EmitAllDecls      : 1; // Emit all declarations, even if
+                                  // they are unused.
 private:
   unsigned GC : 2; // Objective-C Garbage Collection modes.  We declare
                    // this enum as unsigned because MSVC insists on making enums
@@ -72,6 +74,7 @@ public:
     // FIXME: The default should be 1.
     ThreadsafeStatics = 0;
     Blocks = 0;
+    EmitAllDecls = 0;
   }
   
   GCMode getGCMode() const { return (GCMode) GC; }