Fix a ton of comment typos found by codespell.  Patch by
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index f7bcd9e..be8ef96 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -350,7 +350,7 @@
       Scale *= IndexScale.getSExtValue();
       
       
-      // If we already had an occurrance of this index variable, merge this
+      // If we already had an occurrence of this index variable, merge this
       // scale into it.  For example, we want to handle:
       //   A[x][x] -> x*16 + x*4 -> x*20
       // This also ensures that 'x' only appears in the index list once.
@@ -883,7 +883,7 @@
   if (GEP1BaseOffset == 0 && GEP1VariableIndices.empty())
     return MustAlias;
 
-  // If there is a difference betwen the pointers, but the difference is
+  // If there is a difference between the pointers, but the difference is
   // less than the size of the associated memory object, then we know
   // that the objects are partially overlapping.
   if (GEP1BaseOffset != 0 && GEP1VariableIndices.empty()) {