[CVP] Remove cvp-dont-process-adds flag

The flag was introduced because the optimization controlled by the flag initially caused regressions. All the regressions were fixed some time ago and the flag has been false for quite a while.

llvm-svn: 288154

diff --git a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
index fac8c15..de62d9d 100644 (file)
--- a/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
+++ b/llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
@@ -41,8 +41,6 @@ STATISTIC(NumSDivs,     "Number of sdiv converted to udiv");
 STATISTIC(NumAShrs,     "Number of ashr converted to lshr");
 STATISTIC(NumSRems,     "Number of srem converted to urem");
 
-static cl::opt<bool> DontProcessAdds("cvp-dont-process-adds", cl::init(false));
-
 namespace {
   class CorrelatedValuePropagation : public FunctionPass {
   public:
@@ -407,9 +405,6 @@ static bool processAShr(BinaryOperator *SDI, LazyValueInfo *LVI) {
 static bool processAdd(BinaryOperator *AddOp, LazyValueInfo *LVI) {
   typedef OverflowingBinaryOperator OBO;
 
-  if (DontProcessAdds)
-    return false;
-
   if (AddOp->getType()->isVectorTy() || hasLocalDefs(AddOp))
     return false;