Enable PRE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52574 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index ec76892f87966fe3482292e2c38e41f94edf1849..26dec0fa9a03291bdf686d7c386541c5597bf856 100644 (file)
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -43,7 +43,7 @@ STATISTIC(NumGVNLoad, "Number of loads deleted");
 STATISTIC(NumGVNPRE, "Number of instructions PRE'd");
 
 static cl::opt<bool> EnablePRE("enable-pre",
-                                cl::init(false), cl::Hidden);
+                               cl::init(true), cl::Hidden);
 
 //===----------------------------------------------------------------------===//
 //                         ValueTable Class