Revert r116220 - thus turning arm fast isel back on by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116762 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index d4b4dca..3a90d7a 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -48,8 +48,8 @@
 using namespace llvm;
 
 static cl::opt<bool>
-EnableARMFastISel("arm-fast-isel",
-                    cl::desc("Turn on experimental ARM fast-isel support"),
+DisableARMFastISel("disable-arm-fast-isel",
+                    cl::desc("Turn off experimental ARM fast-isel support"),
                     cl::init(false), cl::Hidden);
 
 namespace {
@@ -1660,7 +1660,7 @@
     // Completely untested on non-darwin.
     const TargetMachine &TM = funcInfo.MF->getTarget();
     const ARMSubtarget *Subtarget = &TM.getSubtarget<ARMSubtarget>();
-    if (Subtarget->isTargetDarwin() && EnableARMFastISel)
+    if (Subtarget->isTargetDarwin() && !DisableARMFastISel)
       return new ARMFastISel(funcInfo);
     return 0;
   }