Add enum values to CodeGenOpt::Level

The absolute values of this enum are important at least in that
they get printed by SelectionDAGISel. e.g:
  `Before: -O2 ; After: -O0`

Differential Revision: https://reviews.llvm.org/D57430

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@352587 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/CodeGen.h b/include/llvm/Support/CodeGen.h
index 7ac4fabc9399f1c0f307023e76ee85b5fa66e1e2..3175b29a4dd9a6e61c783730a01f9fea15c8085f 100644 (file)
--- a/include/llvm/Support/CodeGen.h
+++ b/include/llvm/Support/CodeGen.h
@@ -49,10 +49,10 @@ namespace llvm {
   // Code generation optimization level.
   namespace CodeGenOpt {
     enum Level {
-      None,        // -O0
-      Less,        // -O1
-      Default,     // -O2, -Os
-      Aggressive   // -O3
+      None = 0,      // -O0
+      Less = 1,      // -O1
+      Default = 2,   // -O2, -Os
+      Aggressive = 3 // -O3
     };
   }