[fast-isel] Add support for the expect intrinsic.
rdar://13370942

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176649 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index a11f434..35f7fcb 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -698,6 +698,11 @@
     UpdateValueMap(Call, ResultReg);
     return true;
   }
+  case Intrinsic::expect: {
+//    unsigned ResultReg = getRegForValue(Call->getArgOperand(0));
+//    UpdateValueMap(Call, ResultReg);
+//    return true;
+  }
   }
 
   // Usually, it does not make sense to initialize a value,