minor spelling tweaks

Closes tensorflow/mlir#290

COPYBARA_INTEGRATE_REVIEW=https://github.com/tensorflow/mlir/pull/290 from kiszk:spelling_tweaks_201912 9d9afd16a723dd65754a04698b3976f150a6054a
PiperOrigin-RevId: 284169681

4 files changed, 4 insertions, 4 deletions

diff --git a/mlir/lib/IR/AsmPrinter.cpp b/mlir/lib/IR/AsmPrinter.cpp
index a3a15dac533..ed97b8b5940 100644
--- a/mlir/lib/IR/AsmPrinter.cpp
+++ b/mlir/lib/IR/AsmPrinter.cpp
@@ -1116,7 +1116,7 @@ void ModulePrinter::printType(Type type) {
 //===----------------------------------------------------------------------===//
 
 namespace {
-/// This class provides the main specialication of the DialectAsmPrinter that is
+/// This class provides the main specialization of the DialectAsmPrinter that is
 /// used to provide support for print attributes and types. This hooks allows
 /// for dialects to hook into the main ModulePrinter.
 struct CustomDialectAsmPrinter : public DialectAsmPrinter {
diff --git a/mlir/lib/IR/Diagnostics.cpp b/mlir/lib/IR/Diagnostics.cpp
index f2f2f83b3a8..70a802cd856 100644
--- a/mlir/lib/IR/Diagnostics.cpp
+++ b/mlir/lib/IR/Diagnostics.cpp
@@ -689,7 +689,7 @@ SourceMgrDiagnosticVerifierHandler::SourceMgrDiagnosticVerifierHandler(
   for (unsigned i = 0, e = mgr.getNumBuffers(); i != e; ++i)
     (void)impl->computeExpectedDiags(mgr.getMemoryBuffer(i + 1));
 
-  // Register a handler to verfy the diagnostics.
+  // Register a handler to verify the diagnostics.
   setHandler([&](Diagnostic &diag) {
     // Process the main diagnostics.
     process(diag);
diff --git a/mlir/lib/IR/Operation.cpp b/mlir/lib/IR/Operation.cpp
index 69b8d056cd5..1d213f45dd5 100644
--- a/mlir/lib/IR/Operation.cpp
+++ b/mlir/lib/IR/Operation.cpp
@@ -286,7 +286,7 @@ void Operation::destroy() {
 /// Return the context this operation is associated with.
 MLIRContext *Operation::getContext() { return location->getContext(); }
 
-/// Return the dialact this operation is associated with, or nullptr if the
+/// Return the dialect this operation is associated with, or nullptr if the
 /// associated dialect is not registered.
 Dialect *Operation::getDialect() {
   if (auto *abstractOp = getAbstractOperation())
diff --git a/mlir/lib/IR/SymbolTable.cpp b/mlir/lib/IR/SymbolTable.cpp
index b61308b74af..bd8cb59cea7 100644
--- a/mlir/lib/IR/SymbolTable.cpp
+++ b/mlir/lib/IR/SymbolTable.cpp
@@ -283,7 +283,7 @@ static Optional<WalkResult> walkSymbolUses(
         if (walkSymbolRefs(&op, callback).wasInterrupted())
           return WalkResult::interrupt();
 
-        // If this operation has regions, and it as well as its dialect arent't
+        // If this operation has regions, and it as well as its dialect aren't
         // registered then conservatively fail. The operation may define a
         // symbol table, so we can't opaquely know if we should traverse to find
         // nested uses.