Remove switch for disabling ARM tail calls. They

seem to be working correctly.  No functional change.

llvm-svn: 110226

1 files changed, 0 insertions, 9 deletions

diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index 92fb442ac75..db550b1c429 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -51,12 +51,6 @@ using namespace llvm;
 
 STATISTIC(NumTailCalls, "Number of tail calls");
 
-// This option should go away when tail calls fully work.
-static cl::opt<bool>
-EnableARMTailCalls("arm-tail-calls", cl::Hidden,
-  cl::desc("Generate tail calls (TEMPORARY OPTION)."),
-  cl::init(true));
-
 // This option should go away when Machine LICM is smart enough to hoist a 
 // reg-to-reg VDUP.
 static cl::opt<bool>
@@ -1123,9 +1117,6 @@ ARMTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
   MachineFunction &MF = DAG.getMachineFunction();
   bool IsStructRet    = (Outs.empty()) ? false : Outs[0].Flags.isSRet();
   bool IsSibCall = false;
-  // Temporarily disable tail calls so things don't break.
-  if (!EnableARMTailCalls)
-    isTailCall = false;
   if (isTailCall) {
     // Check if it's really possible to do a tail call.
     isTailCall = IsEligibleForTailCallOptimization(Callee, CallConv,