Lower the unrolling theshold to 150. Empirical tests indicate that th…

…is is a sweet spot in the performance per

code size increase curve.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113595 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/LoopUnrollPass.cpp

@@ -27,7 +27,7 @@
 using namespace llvm;
 
 static cl::opt<unsigned>
-UnrollThreshold("unroll-threshold", cl::init(200), cl::Hidden,
+UnrollThreshold("unroll-threshold", cl::init(150), cl::Hidden,
   cl::desc("The cut-off point for automatic loop unrolling"));
 
 static cl::opt<unsigned>