diff --git a/llvm/tools/llvmc/ll b/llvm/tools/llvmc/ll
index 3cc82175015f..f32ec5a205d8 100644
--- a/llvm/tools/llvmc/ll
+++ b/llvm/tools/llvmc/ll
@@ -4,9 +4,12 @@
   preprocessor.required=false
   translator.command=llvm-as @in@ -o @out@
   translator.groks_dash_O=no
+  translator.groks_optimization=no
   translator.optimizes=no
   translator.preprocesses=true
   translator.required=TRUE
   optimizer.command=opt @in@ -o @out@
+  optimizer.groks_dash_O=no
+  optimizer.groks_optimization=yes
   assembler.command=llc @in@ -o @out@
   linker.command=llvm-link @in@ -o @out@