diff --git a/mlir/include/mlir/Conversion/TosaToLinalg/TosaToLinalg.h b/mlir/include/mlir/Conversion/TosaToLinalg/TosaToLinalg.h
--- a/mlir/include/mlir/Conversion/TosaToLinalg/TosaToLinalg.h
+++ b/mlir/include/mlir/Conversion/TosaToLinalg/TosaToLinalg.h
@@ -24,8 +24,10 @@
 
 /// Populates passes to convert from TOSA to Linalg on buffers. At the end of
 /// the pass, the function will only contain linalg ops or standard ops if the
-/// pipeline succeeds.
-void addTosaToLinalgPasses(OpPassManager &pm);
+/// pipeline succeeds.  The option to disable decompositions is available for
+/// benchmarking performance improvements from the canonicalizations.
+void addTosaToLinalgPasses(OpPassManager &pm,
+                           bool disableTosaDecompositions = false);
 
 /// Populates conversion passes from TOSA dialect to Linalg dialect.
 void populateTosaToLinalgConversionPatterns(RewritePatternSet *patterns);
diff --git a/mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp b/mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp
--- a/mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp
+++ b/mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp
@@ -67,9 +67,11 @@
   return std::make_unique<TosaToLinalg>();
 }
 
-void mlir::tosa::addTosaToLinalgPasses(OpPassManager &pm) {
+void mlir::tosa::addTosaToLinalgPasses(OpPassManager &pm,
+                                       bool disableTosaDecompositions) {
   // Optional decompositions are designed to benefit linalg.
-  pm.addNestedPass<FuncOp>(mlir::tosa::createTosaOptionalDecompositions());
+  if (!disableTosaDecompositions)
+    pm.addNestedPass<FuncOp>(mlir::tosa::createTosaOptionalDecompositions());
   pm.addNestedPass<FuncOp>(mlir::createCanonicalizerPass());
 
   pm.addNestedPass<FuncOp>(tosa::createTosaMakeBroadcastablePass());