[LoopSimplifyCFG] Re-enable const branch folding by default

Known underlying bugs have been fixed, intensive fuzz testing did not
find any new problems. Re-enabling by default. Feel free to revert if
it causes any functional failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@353911 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/LoopSimplifyCFG.cpp b/lib/Transforms/Scalar/LoopSimplifyCFG.cpp
index 4058c1d685cf27247ef1aeea5c9bbe2a0c9c4c39..746ca9ec31b242744b063bd041c0520703110282 100644 (file)
--- a/lib/Transforms/Scalar/LoopSimplifyCFG.cpp
+++ b/lib/Transforms/Scalar/LoopSimplifyCFG.cpp
@@ -41,7 +41,7 @@ using namespace llvm;
 #define DEBUG_TYPE "loop-simplifycfg"
 
 static cl::opt<bool> EnableTermFolding("enable-loop-simplifycfg-term-folding",
-                                       cl::init(false));
+                                       cl::init(true));
 
 STATISTIC(NumTerminatorsFolded,
           "Number of terminators folded to unconditional branches");