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/CodeGen/StrongPHIElimination.cpp b/lib/CodeGen/StrongPHIElimination.cpp
index ec7829e..227eb47 100644
--- a/lib/CodeGen/StrongPHIElimination.cpp
+++ b/lib/CodeGen/StrongPHIElimination.cpp
@@ -587,7 +587,7 @@
   }
 
   // We now walk the PHIs in successor blocks and check for interferences. This
-  // is necesary because the use of a PHI's operands are logically contained in
+  // is necessary because the use of a PHI's operands are logically contained in
   // the predecessor block. The def of a PHI's destination register is processed
   // along with the other defs in a basic block.