Fix comment typos. NFC.

Identified by Pedro Giffuni in PR27636.

llvm-svn: 287490

3 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
index 7abb161311d..ebcf9897143 100644
--- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
@@ -275,7 +275,7 @@ static bool isObjectSize(const Value *V, uint64_t Size, const DataLayout &DL,
         GetLinearExpression(CastOp, Scale, Offset, ZExtBits, SExtBits, DL,
                             Depth + 1, AC, DT, NSW, NUW);
 
-    // zext(zext(%x)) == zext(%x), and similiarly for sext; we'll handle this
+    // zext(zext(%x)) == zext(%x), and similarly for sext; we'll handle this
     // by just incrementing the number of bits we've extended by.
     unsigned ExtendedBy = NewWidth - SmallWidth;
 
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 8de2c15160b..e12ef56bb75 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -6265,7 +6265,7 @@ ScalarEvolution::ExitLimit ScalarEvolution::computeShiftCompareExitLimit(
   //   %iv = phi i32 [ %iv.shifted, %loop ], [ %val, %preheader ]
   //   %iv.shifted = lshr i32 %iv, <positive constant>
   //
-  // Return true on a succesful match.  Return the corresponding PHI node (%iv
+  // Return true on a successful match.  Return the corresponding PHI node (%iv
   // above) in PNOut and the opcode of the shift operation in OpCodeOut.
   auto MatchShiftRecurrence =
       [&](Value *V, PHINode *&PNOut, Instruction::BinaryOps &OpCodeOut) {
@@ -10366,7 +10366,7 @@ const SCEV *PredicatedScalarEvolution::getSCEV(Value *V) {
     return Entry.second;
 
   // We found an entry but it's stale. Rewrite the stale entry
-  // acording to the current predicate.
+  // according to the current predicate.
   if (Entry.second)
     Expr = Entry.second;
 
diff --git a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
index 6ad766b4bd7..5217c4dc22a 100644
--- a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -1961,7 +1961,7 @@ bool SCEVExpander::isHighCostExpansionHelper(
     const SCEV *S, Loop *L, const Instruction *At,
     SmallPtrSetImpl<const SCEV *> &Processed) {
 
-  // If we can find an existing value for this scev avaliable at the point "At"
+  // If we can find an existing value for this scev available at the point "At"
   // then consider the expression cheap.
   if (At && getRelatedExistingExpansion(S, At, L))
     return false;