[mlir] Drop LLVM dialect from TestPolynomialApproximation

No longer needed after c1ebefd

Author: d0k

mlir/test/lib/Dialect/Math/CMakeLists.txt

@@ -8,7 +8,6 @@ add_mlir_library(MLIRMathTestPasses
 
   LINK_LIBS PUBLIC
   MLIRMathTransforms
-  MLIRLLVMIR
   MLIRPass
   MLIRTransformUtils
   MLIRVector

mlir/test/lib/Dialect/Math/TestPolynomialApproximation.cpp

@@ -11,7 +11,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
 #include "mlir/Dialect/Math/IR/Math.h"
 #include "mlir/Dialect/Math/Transforms/Passes.h"
 #include "mlir/Dialect/Vector/VectorOps.h"
@@ -25,8 +24,7 @@ struct TestMathPolynomialApproximationPass
     : public PassWrapper<TestMathPolynomialApproximationPass, FunctionPass> {
   void runOnFunction() override;
   void getDependentDialects(DialectRegistry &registry) const override {
-    registry
-        .insert<vector::VectorDialect, math::MathDialect, LLVM::LLVMDialect>();
+    registry.insert<vector::VectorDialect, math::MathDialect>();
   }
   StringRef getArgument() const final {
     return "test-math-polynomial-approximation";