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

3 files changed, 6 insertions, 5 deletions

diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h
index 92b648c..1104635 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
   };
 }
 
diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp
index b94e5fb..84e6867 100644
--- a/tools/llc/llc.cpp
+++ b/tools/llc/llc.cpp
@@ -298,7 +298,7 @@ int main(int argc, char **argv) {
     return 1;
   case ' ': break;
   case '0': OLvl = CodeGenOpt::None; break;
-  case '1':
+  case '1': OLvl = CodeGenOpt::Less; break;
   case '2': OLvl = CodeGenOpt::Default; break;
   case '3': OLvl = CodeGenOpt::Aggressive; break;
   }
diff --git a/tools/lli/lli.cpp b/tools/lli/lli.cpp
index e5c1070..723d6a8 100644
--- a/tools/lli/lli.cpp
+++ b/tools/lli/lli.cpp
@@ -148,7 +148,7 @@ int main(int argc, char **argv, char * const *envp) {
     return 1;
   case ' ': break;
   case '0': OLvl = CodeGenOpt::None; break;
-  case '1':
+  case '1': OLvl = CodeGenOpt::Less; break;
   case '2': OLvl = CodeGenOpt::Default; break;
   case '3': OLvl = CodeGenOpt::Aggressive; break;
   }