Comments. Thanks for the spell check Nick!

Also, my apologies for spoiling the autocomplete on SimplifyInstructions.cpp. I couldn't think of a better filename.

llvm-svn: 137229
diff --git a/llvm/lib/Transforms/Utils/LoopUnroll.cpp b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
index ad39853..62e4fa2 100644
--- a/llvm/lib/Transforms/Utils/LoopUnroll.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnroll.cpp
@@ -133,7 +133,7 @@
 /// removed from the LoopPassManager as well. LPM can also be NULL.
 ///
 /// This utility preserves LoopInfo. If DominatorTree or ScalarEvolution are
-/// available it must also preseve those analyses.
+/// available it must also preserve those analyses.
 bool llvm::UnrollLoop(Loop *L, unsigned Count, unsigned TripCount,
                       unsigned TripMultiple, LoopInfo *LI, LPPassManager *LPM) {
   BasicBlock *Preheader = L->getLoopPreheader();
@@ -380,7 +380,7 @@
   }
 
   // FIXME: Reconstruct dom info, because it is not preserved properly.
-  // Incrementally updating domtree after loop unrolling woud be easy.
+  // Incrementally updating domtree after loop unrolling would be easy.
   if (DominatorTree *DT = LPM->getAnalysisIfAvailable<DominatorTree>())
     DT->runOnFunction(*L->getHeader()->getParent());
 
diff --git a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
index 0cf372a..ffaad27 100644
--- a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
@@ -86,7 +86,7 @@
 /// aligned IV when used by a instruction that ignores the low bits.
 ///
 /// Return the operand of IVOperand for this induction variable if IVOperand can
-/// be folded (in case more folding opportunity has been exposed).
+/// be folded (in case more folding opportunities have been exposed).
 /// Otherwise return null.
 Value *SimplifyIndvar::foldIVUser(Instruction *UseInst, Instruction *IVOperand) {
   Value *IVSrc = 0;
@@ -293,7 +293,7 @@
 /// isSimpleIVUser - Return true if this instruction generates a simple SCEV
 /// expression in terms of that IV.
 ///
-/// This is similar to IVUsers' isInsteresting() but processes each instruction
+/// This is similar to IVUsers' isInteresting() but processes each instruction
 /// non-recursively when the operand is already known to be a simpleIVUser.
 ///
 static bool isSimpleIVUser(Instruction *I, const Loop *L, ScalarEvolution *SE) {