Fix MSVC warnings by adding a cast. 

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144721 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 3e122c2..4ae51d5 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -3827,8 +3827,8 @@
       // Remove any extra phis created by processing inner loops.
       SmallVector<WeakVH, 16> DeadInsts;
       SCEVExpander Rewriter(SE, "lsr");
-      Changed |= Rewriter.replaceCongruentIVs(L, &DT, DeadInsts);
-      Changed |= DeleteTriviallyDeadInstructions(DeadInsts);
+      Changed |= (bool)Rewriter.replaceCongruentIVs(L, &DT, DeadInsts);
+      Changed |= (bool)DeleteTriviallyDeadInstructions(DeadInsts);
     }
     DEBUG(dbgs() << "LSR skipping outer loop " << *L << "\n");
     return;
@@ -3880,8 +3880,8 @@
     // Remove any extra phis created by processing inner loops.
     SmallVector<WeakVH, 16> DeadInsts;
     SCEVExpander Rewriter(SE, "lsr");
-    Changed |= Rewriter.replaceCongruentIVs(L, &DT, DeadInsts);
-    Changed |= DeleteTriviallyDeadInstructions(DeadInsts);
+    Changed |= (bool)Rewriter.replaceCongruentIVs(L, &DT, DeadInsts);
+    Changed |= (bool)DeleteTriviallyDeadInstructions(DeadInsts);
   }
 }