| // RUN: mlir-opt %s -test-math-polynomial-approximation="enable-avx2" \ |
| // RUN: -convert-arith-to-llvm \ |
| // RUN: -convert-vector-to-llvm="enable-x86vector" \ |
| // RUN: -convert-math-to-llvm \ |
| // RUN: -convert-std-to-llvm \ |
| // RUN: -reconcile-unrealized-casts \ |
| // RUN: | mlir-cpu-runner \ |
| // RUN: -e main -entry-point-result=void -O0 \ |
| // RUN: -shared-libs=%linalg_test_lib_dir/libmlir_c_runner_utils%shlibext \ |
| // RUN: -shared-libs=%linalg_test_lib_dir/libmlir_runner_utils%shlibext \ |
| // RUN: | FileCheck %s |
| |
| // -------------------------------------------------------------------------- // |
| // rsqrt. |
| // -------------------------------------------------------------------------- // |
| |
| func @rsqrt() { |
| // Sanity-check that the scalar rsqrt still works OK. |
| // CHECK: inf |
| %0 = arith.constant 0.0 : f32 |
| %rsqrt_0 = math.rsqrt %0 : f32 |
| vector.print %rsqrt_0 : f32 |
| // CHECK: 0.707107 |
| %two = arith.constant 2.0: f32 |
| %rsqrt_two = math.rsqrt %two : f32 |
| vector.print %rsqrt_two : f32 |
| |
| // Check that the vectorized approximation is reasonably accurate. |
| // CHECK: 0.707107, 0.707107, 0.707107, 0.707107, 0.707107, 0.707107, 0.707107, 0.707107 |
| %vec8 = arith.constant dense<2.0> : vector<8xf32> |
| %rsqrt_vec8 = math.rsqrt %vec8 : vector<8xf32> |
| vector.print %rsqrt_vec8 : vector<8xf32> |
| |
| return |
| } |
| |
| func @main() { |
| call @rsqrt(): () -> () |
| return |
| } |
