Add a CodeGenOpt::Less level to match -O1. It'll be used by clients which do not want post-regalloc scheduling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84272 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 3 deletions

diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h
index 92b648cbb0..11046359db 100644
--- a/include/llvm/Target/TargetMachine.h
+++ b/include/llvm/Target/TargetMachine.h
@@ -74,9 +74,10 @@ namespace FileModel {
 // Code generation optimization level.
 namespace CodeGenOpt {
   enum Level {
-    Default,
-    None,
-    Aggressive
+    None,        // -O0
+    Less,        // -O1
+    Default,     // -O2, -Os
+    Aggressive   // -O3
   };
 }