Add -Oz option and use it to set the inline threshold to 25.
Radar 9333566. Patch by Chad Rosier!
llvm-svn: 130554
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 9bd4bfd..497ccc5 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -134,8 +134,10 @@
//
// FIXME: Derive these constants in a principled fashion.
unsigned Threshold = 225;
- if (CodeGenOpts.OptimizeSize)
+ if (CodeGenOpts.OptimizeSize == 1) //-Os
Threshold = 75;
+ else if (CodeGenOpts.OptimizeSize == 2) //-Oz
+ Threshold = 25;
else if (OptLevel > 2)
Threshold = 275;
InliningPass = createFunctionInliningPass(Threshold);