Sink codegen optimization level into MCCodeGenInfo along side relocation model

and code model. This eliminates the need to pass OptLevel flag all over the
place and makes it possible for any codegen pass to use this information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144788 91177308-0d34-0410-b5e6-96231b3b80d8

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