Disable my constant island pass optimization (to make use soimm more effectively). It caused infinite looping on lencod.

llvm-svn: 76995
diff --git a/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp b/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
index 1f584d4..48db39b 100644
--- a/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
+++ b/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp
@@ -696,13 +696,11 @@
     // User before the Trial.
     if (TrialOffset - UserOffset <= MaxDisp)
       return true;
-    if (IsSoImm && ARM_AM::getSOImmVal(TrialOffset - UserOffset) != -1)
-      return true;
+    // FIXME: Make use full range of soimm values.
   } else if (NegativeOK) {
     if (UserOffset - TrialOffset <= MaxDisp)
       return true;
-    if (IsSoImm && ARM_AM::getSOImmVal(~(TrialOffset - UserOffset)) != -1)
-      return true;
+    // FIXME: Make use full range of soimm values.
   }
   return false;
 }