Merge from mainline.

llvm-svn: 51906
diff --git a/SingleSource/Benchmarks/CoyoteBench/fftbench.cpp b/SingleSource/Benchmarks/CoyoteBench/fftbench.cpp
index fad7a89..3f47a5c 100644
--- a/SingleSource/Benchmarks/CoyoteBench/fftbench.cpp
+++ b/SingleSource/Benchmarks/CoyoteBench/fftbench.cpp
@@ -46,7 +46,7 @@
 #ifdef SMALL_PROBLEM_SIZE
 static const int TEST_SIZE   =  50000;
 #else
-static const int TEST_SIZE   =  2097152/2;
+static const int TEST_SIZE   =  2097152/4;
 #endif
 #endif