Run the new pass in gccld now that it passes all tests


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12196 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccld/GenerateCode.cpp b/tools/gccld/GenerateCode.cpp
index 982a7e3..d2c0f3d 100644
--- a/tools/gccld/GenerateCode.cpp
+++ b/tools/gccld/GenerateCode.cpp
@@ -111,6 +111,10 @@
     if (!DisableInline)
       addPass(Passes, createFunctionInliningPass()); // Inline small functions
 
+    // If we didn't decide to inline a function, check to see if we can
+    // transform it to pass arguments by value instead of by reference.
+    addPass(Passes, createArgumentPromotionPass());
+
     // The IPO passes may leave cruft around.  Clean up after them.
     addPass(Passes, createInstructionCombiningPass());