Add optimize-for-size knob.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48793 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/include/llvm/Target/TargetOptions.h b/include/llvm/Target/TargetOptions.h
index 554a32b9d9..72bb272015 100644
--- a/include/llvm/Target/TargetOptions.h
+++ b/include/llvm/Target/TargetOptions.h
@@ -78,6 +78,10 @@ namespace llvm {
   /// on the commandline. When the flag is on, the target will perform tail call
   /// optimization (pop the caller's stack) providing it supports it.
   extern bool PerformTailCallOpt;
+
+  /// OptimizeForSize - When this flags is set, code generator avoids optimization
+  /// that increases size.
+  extern bool OptimizeForSize;
 } // End llvm namespace
 
 #endif