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.

llvm-svn: 144788

1 files changed, 8 insertions, 0 deletions

diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp
index daac924..805e16e 100644
--- a/llvm/lib/Target/TargetMachine.cpp
+++ b/llvm/lib/Target/TargetMachine.cpp
@@ -226,6 +226,14 @@ CodeModel::Model TargetMachine::getCodeModel() const {
   return CodeGenInfo->getCodeModel();
 }
 
+/// getOptLevel - Returns the optimization level: None, Less,
+/// Default, or Aggressive.
+CodeGenOpt::Level TargetMachine::getOptLevel() const {
+  if (!CodeGenInfo)
+    return CodeGenOpt::Default;
+  return CodeGenInfo->getOptLevel();
+}
+
 bool TargetMachine::getAsmVerbosityDefault() {
   return AsmVerbosityDefault;
 }