TosaToLinalg: Allow to skip the TOSA validation pass (#91742)

Allow to skip running the TOSA validation pass when spec conformance is
not required.

Author: mgehre-amd

mlir/include/mlir/Conversion/TosaToLinalg/TosaToLinalg.h

@@ -38,8 +38,9 @@ void addTosaToLinalgPasses(
     const TosaToLinalgNamedOptions &tosaToLinalgNamedOptions =
         TosaToLinalgNamedOptions(),
     // Note: Default to 'none' level unless otherwise specified.
-    tosa::TosaValidationOptions const &validationOptions = {
-        tosa::TosaProfileEnum::Undefined, false, tosa::TosaLevelEnum::None});
+    std::optional<tosa::TosaValidationOptions> validationOptions =
+        tosa::TosaValidationOptions{tosa::TosaProfileEnum::Undefined, false,
+                                    tosa::TosaLevelEnum::None});
 
 /// Populates TOSA to linalg pipelines
 /// Currently, this includes only the "tosa-to-linalg-pipeline".

mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp

@@ -78,7 +78,7 @@ std::unique_ptr<Pass> mlir::tosa::createTosaToLinalg() {
 void mlir::tosa::addTosaToLinalgPasses(
     OpPassManager &pm, const TosaToLinalgOptions &options,
     const TosaToLinalgNamedOptions &tosaToLinalgNamedOptions,
-    tosa::TosaValidationOptions const &validationOptions) {
+    std::optional<tosa::TosaValidationOptions> validationOptions) {
   // Optional decompositions are designed to benefit linalg.
   if (!options.disableTosaDecompositions)
     pm.addNestedPass<func::FuncOp>(tosa::createTosaOptionalDecompositions());
@@ -93,7 +93,8 @@ void mlir::tosa::addTosaToLinalgPasses(
   pm.addNestedPass<func::FuncOp>(tosa::createTosaLayerwiseConstantFoldPass(
       {options.aggressiveReduceConstant}));
   pm.addNestedPass<func::FuncOp>(tosa::createTosaMakeBroadcastablePass());
-  pm.addPass(tosa::createTosaValidation(validationOptions));
+  if (validationOptions)
+    pm.addPass(tosa::createTosaValidation(*validationOptions));
   pm.addNestedPass<func::FuncOp>(tosa::createTosaToLinalg());
 }
 
@@ -110,11 +111,12 @@ void mlir::tosa::registerTosaToLinalgPipelines() {
       [](OpPassManager &pm) {
         TosaToLinalgOptions tosaToLinalgOptions;
         TosaToLinalgNamedOptions tosaToLinalgNamedOptions;
+        TosaValidationOptions validationOptions;
+        validationOptions.profile = tosa::TosaProfileEnum::BaseInference;
+        validationOptions.StrictOperationSpecAlignment = true;
+        validationOptions.level = tosa::TosaLevelEnum::EightK;
         tosa::addTosaToLinalgPasses(pm, tosaToLinalgOptions,
                                     tosaToLinalgNamedOptions,
-                                    /* validationOptions = */
-                                    {tosa::TosaProfileEnum::BaseInference,
-                                     /* StrictOperationSpecAlignment = */ true,
-                                     tosa::TosaLevelEnum::EightK});
+                                    validationOptions);
       });
 }