Fix typos.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36994 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 4c12079..01385db 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -6373,7 +6373,7 @@
   if (isa<UndefValue>(Src))   // cast undef -> undef
     return ReplaceInstUsesWith(CI, UndefValue::get(CI.getType()));
 
-  // Many cases of "cast of a cast" are eliminable. If its eliminable we just
+  // Many cases of "cast of a cast" are eliminable. If it's eliminable we just
   // eliminate it now.
   if (CastInst *CSrc = dyn_cast<CastInst>(Src)) {   // A->B->C cast
     if (Instruction::CastOps opc =