Enable ARM fastcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117194 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index ceddca0..4a78665 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -69,10 +69,6 @@
   cl::desc("Enable / disable ARM interworking (for debugging only)"),
   cl::init(true));
 
-static cl::opt<bool>
-ARMFastCC("arm-fastcc", cl::Hidden,
-  cl::desc("Use AAPCS / AAPCS-VFP calling conventions for fastcc"));
-
 void ARMTargetLowering::addTypeForNEON(EVT VT, EVT PromotedLdStVT,
                                        EVT PromotedBitwiseVT) {
   if (VT != PromotedLdStVT) {
@@ -960,7 +956,7 @@
   default:
     llvm_unreachable("Unsupported calling convention");
   case CallingConv::Fast:
-    if (ARMFastCC && Subtarget->hasVFP2() && !isVarArg) {
+    if (Subtarget->hasVFP2() && !isVarArg) {
       if (!Subtarget->isAAPCS_ABI())
         return (Return ? RetFastCC_ARM_APCS : FastCC_ARM_APCS);
       // For AAPCS ABI targets, just use VFP variant of the calling convention.