Minor spelling tweaks

Closes tensorflow/mlir#304

PiperOrigin-RevId: 284568358

3 files changed, 3 insertions, 3 deletions

diff --git a/mlir/lib/Transforms/LoopTiling.cpp b/mlir/lib/Transforms/LoopTiling.cpp
index 4ee7197f2df..10654783aa9 100644
--- a/mlir/lib/Transforms/LoopTiling.cpp
+++ b/mlir/lib/Transforms/LoopTiling.cpp
@@ -362,7 +362,7 @@ void LoopTiling::getTileSizes(ArrayRef<AffineForOp> band,
   // one possible approach. Or compute a polynomial in tile sizes and solve for
   // it.
 
-  // For an n-d tilable band, compute n^th root of the excess.
+  // For an n-d tileable band, compute n^th root of the excess.
   unsigned tSize =
       static_cast<unsigned>(floorl(std::pow(excessFactor, 1.0 / band.size())));
   // We'll keep a running product to determine the last tile size better.
diff --git a/mlir/lib/Transforms/Utils/LoopUtils.cpp b/mlir/lib/Transforms/Utils/LoopUtils.cpp
index e9a6ee12eb6..50248b01359 100644
--- a/mlir/lib/Transforms/Utils/LoopUtils.cpp
+++ b/mlir/lib/Transforms/Utils/LoopUtils.cpp
@@ -933,7 +933,7 @@ static LogicalResult tryIsolateBands(const TileLoops &tileLoops) {
 
 TileLoops mlir::extractFixedOuterLoops(loop::ForOp rootForOp,
                                        ArrayRef<int64_t> sizes) {
-  // Collect prefectly nested loops.  If more size values provided than nested
+  // Collect perfectly nested loops.  If more size values provided than nested
   // loops available, truncate `sizes`.
   SmallVector<loop::ForOp, 4> forOps;
   forOps.reserve(sizes.size());
diff --git a/mlir/lib/Transforms/Utils/Utils.cpp b/mlir/lib/Transforms/Utils/Utils.cpp
index 35a5273a28f..190b6c3155e 100644
--- a/mlir/lib/Transforms/Utils/Utils.cpp
+++ b/mlir/lib/Transforms/Utils/Utils.cpp
@@ -70,7 +70,7 @@ LogicalResult mlir::replaceAllMemRefUsesWith(Value *oldMemRef, Value *newMemRef,
   (void)oldMemRefRank; // unused in opt mode
   if (indexRemap) {
     assert(indexRemap.getNumSymbols() == symbolOperands.size() &&
-           "symbolic operand count mistmatch");
+           "symbolic operand count mismatch");
     assert(indexRemap.getNumInputs() ==
            extraOperands.size() + oldMemRefRank + symbolOperands.size());
     assert(indexRemap.getNumResults() + extraIndices.size() == newMemRefRank);