Correct word hyphenations

This patch tries to avoid unrelated changes other than fixing a few
hyphen-related ambiguities and contractions in nearby lines.

llvm-svn: 196471
diff --git a/llvm/lib/IR/Instructions.cpp b/llvm/lib/IR/Instructions.cpp
index 8a6b77b..795e5fa 100644
--- a/llvm/lib/IR/Instructions.cpp
+++ b/llvm/lib/IR/Instructions.cpp
@@ -2206,7 +2206,7 @@
     case 3: 
       // No-op cast in second op implies firstOp as long as the DestTy
       // is integer and we are not converting between a vector and a
-      // non vector type.
+      // non-vector type.
       if (!SrcTy->isVectorTy() && DstTy->isIntegerTy())
         return firstOp;
       return 0;
@@ -2823,7 +2823,7 @@
     if (SrcTy->isPtrOrPtrVectorTy() != DstTy->isPtrOrPtrVectorTy())
       return false;
 
-    // For non pointer cases, the cast is okay if the source and destination bit
+    // For non-pointer cases, the cast is okay if the source and destination bit
     // widths are identical.
     if (!SrcTy->isPtrOrPtrVectorTy())
       return SrcTy->getPrimitiveSizeInBits() == DstTy->getPrimitiveSizeInBits();