1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/Support/CodeGen.h b/include/llvm/Support/CodeGen.h
index 41351dc73f..3a76cc7167 100644
--- a/include/llvm/Support/CodeGen.h
+++ b/include/llvm/Support/CodeGen.h
@@ -27,6 +27,16 @@ namespace llvm {
     enum Model { Default, JITDefault, Small, Kernel, Medium, Large };
   }
 
+  // Code generation optimization level.
+  namespace CodeGenOpt {
+    enum Level {
+      None,        // -O0
+      Less,        // -O1
+      Default,     // -O2, -Os
+      Aggressive   // -O3
+    };
+  }
+
 }  // end llvm namespace
 
 #endif