Turn on GEP index sinking by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35127 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index d810615f4c545800907f19a49f25c69de20d6a42..5fc3be1fd48b434f1654653f705ef2ac789761cb 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -59,10 +59,6 @@ ViewSchedDAGs("view-sched-dags", cl::Hidden,
 static const bool ViewISelDAGs = 0, ViewSchedDAGs = 0;
 #endif
 
-static cl::opt<bool>
-EnableGEPIndexSink("enable-gep-index-sinking", cl::Hidden,
-              cl::desc("Sink invariant GEP index computation into use blocks"));
-
 //===---------------------------------------------------------------------===//
 ///
 /// RegisterScheduler class - Track the registration of instruction schedulers.
@@ -3981,9 +3977,6 @@ static bool isLoopInvariantInst(Instruction *I, Loop *L) {
 /// addressing mode of the load / store uses.
 static bool SinkInvariantGEPIndex(BinaryOperator *BinOp, LoopInfo *loopInfo,
                              const TargetLowering &TLI) {
-  if (!EnableGEPIndexSink)
-    return false;
-
   // Only look at Add / Sub for now.
   if (BinOp->getOpcode() != Instruction::Add &&
       BinOp->getOpcode() != Instruction::Sub)