[mlir][NFC] Fix polynomial Approx test.

[jacquesguan]

Summary

This patch refators the polynomial Approx test. Now we pass the constant as function argument to avoid constant folder.

Link: https://github.com/llvm/llvm-project/issues/57613

[Mogball]

thanks

mlir/test/mlir-cpu-runner/math-polynomial-approx.mlir

 // RUN:   mlir-opt %s -pass-pipeline="func.func(test-math-polynomial-approximation,convert-arith-to-llvm),convert-vector-to-llvm,func.func(convert-math-to-llvm),convert-func-to-llvm,reconcile-unrealized-casts" \
 // RUN: | mlir-cpu-runner                                                      \
 // RUN:     -e main -entry-point-result=void -O0                               \
 // RUN:     -shared-libs=%mlir_lib_dir/libmlir_c_runner_utils%shlibext  \
 // RUN:     -shared-libs=%mlir_lib_dir/libmlir_runner_utils%shlibext    \
 // RUN: | FileCheck %s
 
 // -------------------------------------------------------------------------- //
 // Tanh.
 // -------------------------------------------------------------------------- //
-func.func @tanh() {
+
+func.func @tanh_f32(%a : f32) { 
+  %r = math.tanh %a : f32
+  vector.print %r : f32
+  return
+}
+
+func.func @tanh_4xf32(%a : vector<4xf32>) { 
+  %r = math.tanh %a : vector<4xf32>
+  vector.print %r : vector<4xf32>
+  return
+}
+
+func.func @tanh_8xf32(%a : vector<8xf32>) { 
+  %r = math.tanh %a : vector<8xf32>
+  vector.print %r : vector<8xf32>
+  return
+}
+
+func.func @tanh() { 
   // CHECK: 0.848284
-  %0 = arith.constant 1.25 : f32
-  %1 = math.tanh %0 : f32
-  vector.print %1 : f32
+  %f0 = arith.constant 1.25 : f32
+  call @tanh_f32(%f0) : (f32) -> ()
 
   // CHECK: 0.244919, 0.635149, 0.761594, 0.848284
-  %2 = arith.constant dense<[0.25, 0.75, 1.0, 1.25]> : vector<4xf32>
-  %3 = math.tanh %2 : vector<4xf32>
-  vector.print %3 : vector<4xf32>
+  %v1 = arith.constant dense<[0.25, 0.75, 1.0, 1.25]> : vector<4xf32>
+  call @tanh_4xf32(%v1) : (vector<4xf32>) -> ()
 
   // CHECK: 0.099668, 0.197375, 0.291313, 0.379949, 0.462117, 0.53705, 0.604368, 0.664037
-  %4 = arith.constant dense<[0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8]> : vector<8xf32>
-  %5 = math.tanh %4 : vector<8xf32>
-  vector.print %5 : vector<8xf32>
+  %v2 = arith.constant dense<[0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8]> : vector<8xf32>
+  call @tanh_8xf32(%v2) : (vector<8xf32>) -> ()
 
-  // CHECK-NEXT: nan
+  // CHECK: nan
   %nan = arith.constant 0x7fc00000 : f32
-  %6 = math.tanh %nan : f32
-  vector.print %6 : f32
+  call @tanh_f32(%nan) : (f32) -> ()
 
-  return
 }
 
 // -------------------------------------------------------------------------- //
 // Log.
 // -------------------------------------------------------------------------- //
-func.func @log() {
+
+func.func @log_f32(%a : f32) { 
+  %r = math.log %a : f32
+  vector.print %r : f32
+  return
+}
+
+func.func @log_4xf32(%a : vector<4xf32>) { 
+  %r = math.log %a : vector<4xf32>
+  vector.print %r : vector<4xf32>
+  return
+}
+
+func.func @log_8xf32(%a : vector<8xf32>) { 
+  %r = math.log %a : vector<8xf32>
+  vector.print %r : vector<8xf32>
+  return
+}
+
+func.func @log() { 
   // CHECK: 2.64704
-  %0 = arith.constant 14.112233 : f32
-  %1 = math.log %0 : f32
-  vector.print %1 : f32
+  %f1 = arith.constant 14.112233 : f32
+  call @log_f32(%f1) : (f32) -> ()
 
   // CHECK: -1.38629, -0.287682, 0, 0.223144
-  %2 = arith.constant dense<[0.25, 0.75, 1.0, 1.25]> : vector<4xf32>
-  %3 = math.log %2 : vector<4xf32>
-  vector.print %3 : vector<4xf32>
+  %v1 = arith.constant dense<[0.25, 0.75, 1.0, 1.25]> : vector<4xf32>
+  call @log_4xf32(%v1) : (vector<4xf32>) -> ()
 
   // CHECK: -2.30259, -1.60944, -1.20397, -0.916291, -0.693147, -0.510826, -0.356675, -0.223144
-  %4 = arith.constant dense<[0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8]> : vector<8xf32>
-  %5 = math.log %4 : vector<8xf32>
-  vector.print %5 : vector<8xf32>
+  %v2 = arith.constant dense<[0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8]> : vector<8xf32>
+  call @log_8xf32(%v2) : (vector<8xf32>) -> ()
 
   // CHECK: -inf
   %zero = arith.constant 0.0 : f32
-  %log_zero = math.log %zero : f32
-  vector.print %log_zero : f32
+  call @log_f32(%zero) : (f32) -> ()
 
   // CHECK: nan
-  %neg_one = arith.constant -1.0 : f32
-  %log_neg_one = math.log %neg_one : f32
-  vector.print %log_neg_one : f32
+  %nan = arith.constant 0x7fc00000 : f32
+  call @log_f32(%nan) : (f32) -> ()
 
   // CHECK: inf
   %inf = arith.constant 0x7f800000 : f32
-  %log_inf = math.log %inf : f32
-  vector.print %log_inf : f32
+  call @log_f32(%inf) : (f32) -> ()
 
   // CHECK: -inf, nan, inf, 0.693147
   %special_vec = arith.constant dense<[0.0, -1.0, 0x7f800000, 2.0]> : vector<4xf32>
-  %log_special_vec = math.log %special_vec : vector<4xf32>
-  vector.print %log_special_vec : vector<4xf32>
+  call @log_4xf32(%special_vec) : (vector<4xf32>) -> ()
 
   return
 }
 
+func.func @log2_f32(%a : f32) { 
+  %r = math.log2 %a : f32
+  vector.print %r : f32
+  return
+}
+
+func.func @log2_4xf32(%a : vector<4xf32>) { 
+  %r = math.log2 %a : vector<4xf32>
+  vector.print %r : vector<4xf32>
+  return
+}
+
+func.func @log2_8xf32(%a : vector<8xf32>) { 
+  %r = math.log2 %a : vector<8xf32>
+  vector.print %r : vector<8xf32>
+  return
+}
+
 func.func @log2() {
   // CHECK: 3.81887
-  %0 = arith.constant 14.112233 : f32
-  %1 = math.log2 %0 : f32
-  vector.print %1 : f32
-
-  // CHECK: -2, -0.415038, 0, 0.321928
-  %2 = arith.constant dense<[0.25, 0.75, 1.0, 1.25]> : vector<4xf32>
-  %3 = math.log2 %2 : vector<4xf32>
-  vector.print %3 : vector<4xf32>
+  %f0 = arith.constant 14.112233 : f32
+  call @log2_f32(%f0) : (f32) -> ()
+
+  // CHECK: -2, -0.415037, 0, 0.321928
+  %v1 = arith.constant dense<[0.25, 0.75, 1.0, 1.25]> : vector<4xf32>
+  call @log2_4xf32(%v1) : (vector<4xf32>) -> ()
 
   // CHECK: -3.32193, -2.32193, -1.73697, -1.32193, -1, -0.736966, -0.514573, -0.321928
-  %4 = arith.constant dense<[0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8]> : vector<8xf32>
-  %5 = math.log2 %4 : vector<8xf32>
-  vector.print %5 : vector<8xf32>
+  %v2 = arith.constant dense<[0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8]> : vector<8xf32>
+  call @log2_8xf32(%v2) : (vector<8xf32>) -> ()
 
   // CHECK: -inf
   %zero = arith.constant 0.0 : f32
-  %log_zero = math.log2 %zero : f32
-  vector.print %log_zero : f32
+  call @log2_f32(%zero) : (f32) -> ()
 
   // CHECK: nan
   %neg_one = arith.constant -1.0 : f32
-  %log_neg_one = math.log2 %neg_one : f32
-  vector.print %log_neg_one : f32
+  call @log2_f32(%neg_one) : (f32) -> ()
 
   // CHECK: inf
   %inf = arith.constant 0x7f800000 : f32
-  %log_inf = math.log2 %inf : f32
-  vector.print %log_inf : f32
+  call @log2_f32(%inf) : (f32) -> ()
 
   // CHECK: -inf, nan, inf, 1.58496
   %special_vec = arith.constant dense<[0.0, -1.0, 0x7f800000, 3.0]> : vector<4xf32>
-  %log_special_vec = math.log2 %special_vec : vector<4xf32>
-  vector.print %log_special_vec : vector<4xf32>
+  call @log2_4xf32(%special_vec) : (vector<4xf32>) -> ()
+
+  return
+}
+
+func.func @log1p_f32(%a : f32) { 
+  %r = math.log1p %a : f32
+  vector.print %r : f32
+  return
+}
+
+func.func @log1p_4xf32(%a : vector<4xf32>) { 
+  %r = math.log1p %a : vector<4xf32>
+  vector.print %r : vector<4xf32>
+  return
+}
 
+func.func @log1p_8xf32(%a : vector<8xf32>) { 
+  %r = math.log1p %a : vector<8xf32>
+  vector.print %r : vector<8xf32>
   return
 }
 
 func.func @log1p() {
   // CHECK: 0.00995033
-  %0 = arith.constant 0.01 : f32
-  %1 = math.log1p %0 : f32
-  vector.print %1 : f32
+  %f0 = arith.constant 0.01 : f32
+  call @log1p_f32(%f0) : (f32) -> ()
+
 
   // CHECK: -4.60517, -0.693147, 0, 1.38629
-  %2 = arith.constant dense<[-0.99, -0.5, 0.0, 3.0]> : vector<4xf32>
-  %3 = math.log1p %2 : vector<4xf32>
-  vector.print %3 : vector<4xf32>
+  %v1 = arith.constant dense<[-0.99, -0.5, 0.0, 3.0]> : vector<4xf32>
+  call @log1p_4xf32(%v1) : (vector<4xf32>) -> ()
 
   // CHECK: 0.0953102, 0.182322, 0.262364, 0.336472, 0.405465, 0.470004, 0.530628, 0.587787
-  %4 = arith.constant dense<[0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8]> : vector<8xf32>
-  %5 = math.log1p %4 : vector<8xf32>
-  vector.print %5 : vector<8xf32>
+  %v2 = arith.constant dense<[0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8]> : vector<8xf32>
+  call @log1p_8xf32(%v2) : (vector<8xf32>) -> ()
 
   // CHECK: -inf
   %neg_one = arith.constant -1.0 : f32
-  %log_neg_one = math.log1p %neg_one : f32
-  vector.print %log_neg_one : f32
+  call @log1p_f32(%neg_one) : (f32) -> ()
 
   // CHECK: nan
   %neg_two = arith.constant -2.0 : f32
-  %log_neg_two = math.log1p %neg_two : f32
-  vector.print %log_neg_two : f32
+  call @log1p_f32(%neg_two) : (f32) -> ()
 
   // CHECK: inf
   %inf = arith.constant 0x7f800000 : f32
-  %log_inf = math.log1p %inf : f32
-  vector.print %log_inf : f32
+  call @log1p_f32(%inf) : (f32) -> ()
 
   // CHECK: -inf, nan, inf, 9.99995e-06
   %special_vec = arith.constant dense<[-1.0, -1.1, 0x7f800000, 0.00001]> : vector<4xf32>
-  %log_special_vec = math.log1p %special_vec : vector<4xf32>
-  vector.print %log_special_vec : vector<4xf32>
+  call @log1p_4xf32(%special_vec) : (vector<4xf32>) -> ()
 
   return
 }
 
 // -------------------------------------------------------------------------- //
 // Erf.
 // -------------------------------------------------------------------------- //
+func.func @erf_f32(%a : f32) { 
+  %r = math.erf %a : f32
+  vector.print %r : f32
+  return
+}
+
+func.func @erf_4xf32(%a : vector<4xf32>) { 
+  %r = math.erf %a : vector<4xf32>
+  vector.print %r : vector<4xf32>
+  return
+}
+
 func.func @erf() {
   // CHECK: -0.000274406
   %val1 = arith.constant -2.431864e-4 : f32
-  %erfVal1 = math.erf %val1 : f32
-  vector.print %erfVal1 : f32
+  call @erf_f32(%val1) : (f32) -> ()
 
   // CHECK: 0.742095
   %val2 = arith.constant 0.79999 : f32
-  %erfVal2 = math.erf %val2 : f32
-  vector.print %erfVal2 : f32
+  call @erf_f32(%val2) : (f32) -> ()
 
   // CHECK: 0.742101
   %val3 = arith.constant 0.8 : f32
-  %erfVal3 = math.erf %val3 : f32
-  vector.print %erfVal3 : f32
+  call @erf_f32(%val3) : (f32) -> ()
 
   // CHECK: 0.995322
   %val4 = arith.constant 1.99999 : f32
-  %erfVal4 = math.erf %val4 : f32
-  vector.print %erfVal4 : f32
+  call @erf_f32(%val4) : (f32) -> ()
 
   // CHECK: 0.995322
   %val5 = arith.constant 2.0 : f32
-  %erfVal5 = math.erf %val5 : f32
-  vector.print %erfVal5 : f32
+  call @erf_f32(%val5) : (f32) -> ()
 
   // CHECK: 1
   %val6 = arith.constant 3.74999 : f32
-  %erfVal6 = math.erf %val6 : f32
-  vector.print %erfVal6 : f32
+  call @erf_f32(%val6) : (f32) -> ()
 
   // CHECK: 1
   %val7 = arith.constant 3.75 : f32
-  %erfVal7 = math.erf %val7 : f32
-  vector.print %erfVal7 : f32
+  call @erf_f32(%val7) : (f32) -> ()
 
   // CHECK: -1
   %negativeInf = arith.constant 0xff800000 : f32
-  %erfNegativeInf = math.erf %negativeInf : f32
-  vector.print %erfNegativeInf : f32
+  call @erf_f32(%negativeInf) : (f32) -> ()
 
   // CHECK: -1, -1, -0.913759, -0.731446
   %vecVals1 = arith.constant dense<[-3.4028235e+38, -4.54318, -1.2130899, -7.8234202e-01]> : vector<4xf32>
-  %erfVecVals1 = math.erf %vecVals1 : vector<4xf32>
-  vector.print %erfVecVals1 : vector<4xf32>
+  call @erf_4xf32(%vecVals1) : (vector<4xf32>) -> ()
 
   // CHECK: -1.3264e-38, 0, 1.3264e-38, 0.121319
   %vecVals2 = arith.constant dense<[-1.1754944e-38, 0.0, 1.1754944e-38, 1.0793410e-01]> : vector<4xf32>
-  %erfVecVals2 = math.erf %vecVals2 : vector<4xf32>
-  vector.print %erfVecVals2 : vector<4xf32>
+  call @erf_4xf32(%vecVals2) : (vector<4xf32>) -> ()
 
   // CHECK: 0.919477, 0.999069, 1, 1
   %vecVals3 = arith.constant dense<[1.23578, 2.34093, 3.82342, 3.4028235e+38]> : vector<4xf32>
-  %erfVecVals3 = math.erf %vecVals3 : vector<4xf32>
-  vector.print %erfVecVals3 : vector<4xf32>
+  call @erf_4xf32(%vecVals3) : (vector<4xf32>) -> ()
 
   // CHECK: 1
   %inf = arith.constant 0x7f800000 : f32
-  %erfInf = math.erf %inf : f32
-  vector.print %erfInf : f32
+  call @erf_f32(%inf) : (f32) -> ()
 
   // CHECK: nan
   %nan = arith.constant 0x7fc00000 : f32
-  %erfNan = math.erf %nan : f32
-  vector.print %erfNan : f32
+  call @erf_f32(%nan) : (f32) -> ()
 
   return
 }
 
 // -------------------------------------------------------------------------- //
 // Exp.
 // -------------------------------------------------------------------------- //
+func.func @exp_f32(%a : f32) { 
+  %r = math.exp %a : f32
+  vector.print %r : f32
+  return
+}
+
+func.func @exp_4xf32(%a : vector<4xf32>) { 
+  %r = math.exp %a : vector<4xf32>
+  vector.print %r : vector<4xf32>
+  return
+}
+
 func.func @exp() {
   // CHECK: 2.71828
-  %0 = arith.constant 1.0 : f32
-  %1 = math.exp %0 : f32
-  vector.print %1 : f32
-
-  // CHECK: 0.778801, 2.117, 2.71828, 3.85743
-  %2 = arith.constant dense<[-0.25, 0.75, 1.0, 1.35]> : vector<4xf32>
-  %3 = math.exp %2 : vector<4xf32>
-  vector.print %3 : vector<4xf32>
+  %f0 = arith.constant 1.0 : f32
+  call @exp_f32(%f0) : (f32) -> ()
+
+  // CHECK: 0.778802, 2.117, 2.71828, 3.85742
+  %v1 = arith.constant dense<[-0.25, 0.75, 1.0, 1.35]> : vector<4xf32>
+  call @exp_4xf32(%v1) : (vector<4xf32>) -> ()
 
   // CHECK: 1
   %zero = arith.constant 0.0 : f32
-  %exp_zero = math.exp %zero : f32
-  vector.print %exp_zero : f32
+  call @exp_f32(%zero) : (f32) -> ()
 
-  // CHECK: 2.22736e-39, 1.38879e-11, 7.20049e+10, inf
+  // CHECK: 1.17549e-38, 1.38879e-11, 7.20049e+10, inf 
   %special_vec = arith.constant dense<[-89.0, -25.0, 25.0, 89.0]> : vector<4xf32>
-  %exp_special_vec = math.exp %special_vec : vector<4xf32>
-  vector.print %exp_special_vec : vector<4xf32>
+  call @exp_4xf32(%special_vec) : (vector<4xf32>) -> ()
 
   // CHECK: inf
   %inf = arith.constant 0x7f800000 : f32
-  %exp_inf = math.exp %inf : f32
-  vector.print %exp_inf : f32
+  call @exp_f32(%inf) : (f32) -> ()
 
   // CHECK: 0
   %negative_inf = arith.constant 0xff800000 : f32
-  %exp_negative_inf = math.exp %negative_inf : f32
-  vector.print %exp_negative_inf : f32
+  call @exp_f32(%negative_inf) : (f32) -> ()
 
   // CHECK: nan
   %nan = arith.constant 0x7fc00000 : f32
-  %exp_nan = math.exp %nan : f32
-  vector.print %exp_nan : f32
+  call @exp_f32(%nan) : (f32) -> ()
+
+  return
+}
+
+func.func @expm1_f32(%a : f32) { 
+  %r = math.expm1 %a : f32
+  vector.print %r : f32
+  return
+}
+
+func.func @expm1_3xf32(%a : vector<3xf32>) { 
+  %r = math.expm1 %a : vector<3xf32>
+  vector.print %r : vector<3xf32>
+  return
+}
+
+func.func @expm1_4xf32(%a : vector<4xf32>) { 
+  %r = math.expm1 %a : vector<4xf32>
+  vector.print %r : vector<4xf32>
+  return
+}
 
+func.func @expm1_8xf32(%a : vector<8xf32>) { 
+  %r = math.expm1 %a : vector<8xf32>
+  vector.print %r : vector<8xf32>
   return
 }
 
 func.func @expm1() {
   // CHECK: 1e-10
-  %0 = arith.constant 1.0e-10 : f32
-  %1 = math.expm1 %0 : f32
-  vector.print %1 : f32
-
-  // CHECK: -0.00995017, 0.0100502, 0.648721, 6.38906
-  %2 = arith.constant dense<[-0.01, 0.01, 0.5, 2.0]> : vector<4xf32>
-  %3 = math.expm1 %2 : vector<4xf32>
-  vector.print %3 : vector<4xf32>
+  %f0 = arith.constant 1.0e-10 : f32
+  call @expm1_f32(%f0) : (f32) -> ()
+
+  // CHECK: -0.00995016, 0.0100502, 0.648721, 6.38905
+  %v1 = arith.constant dense<[-0.01, 0.01, 0.5, 2.0]> : vector<4xf32>
+  call @expm1_4xf32(%v1) : (vector<4xf32>) -> ()
 
   // CHECK: -0.181269, 0, 0.221403, 0.491825, 0.822119, 1.22554, 1.71828, 2.32012
-  %4 = arith.constant dense<[-0.2, 0.0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2]> : vector<8xf32>
-  %5 = math.expm1 %4 : vector<8xf32>
-  vector.print %5 : vector<8xf32>
+  %v2 = arith.constant dense<[-0.2, 0.0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2]> : vector<8xf32>
+  call @expm1_8xf32(%v2) : (vector<8xf32>) -> ()
 
   // CHECK: -1
   %neg_inf = arith.constant 0xff800000 : f32
-  %expm1_neg_inf = math.expm1 %neg_inf : f32
-  vector.print %expm1_neg_inf : f32
+  call @expm1_f32(%neg_inf) : (f32) -> ()
 
   // CHECK: inf
   %inf = arith.constant 0x7f800000 : f32
-  %expm1_inf = math.expm1 %inf : f32
-  vector.print %expm1_inf : f32
+  call @expm1_f32(%inf) : (f32) -> ()
 
   // CHECK: -1, inf, 1e-10
   %special_vec = arith.constant dense<[0xff800000, 0x7f800000, 1.0e-10]> : vector<3xf32>
-  %log_special_vec = math.expm1 %special_vec : vector<3xf32>
-  vector.print %log_special_vec : vector<3xf32>
+  call @expm1_3xf32(%special_vec) : (vector<3xf32>) -> ()
 
   // CHECK: nan
   %nan = arith.constant 0x7fc00000 : f32
-  %exp_nan = math.expm1 %nan : f32
-  vector.print %exp_nan : f32
+  call @expm1_f32(%nan) : (f32) -> ()
 
   return
 }
 // -------------------------------------------------------------------------- //
 // Sin.
 // -------------------------------------------------------------------------- //
+func.func @sin_f32(%a : f32) { 
+  %r = math.sin %a : f32
+  vector.print %r : f32
+  return
+}
+
+func.func @sin_3xf32(%a : vector<3xf32>) { 
+  %r = math.sin %a : vector<3xf32>
+  vector.print %r : vector<3xf32>
+  return
+}
+
 func.func @sin() {
   // CHECK: 0
-  %0 = arith.constant 0.0 : f32
-  %sin_0 = math.sin %0 : f32
-  vector.print %sin_0 : f32
+  %zero = arith.constant 0.0 : f32
+  call @sin_f32(%zero) : (f32) -> ()
 
   // CHECK: 0.707107
   %pi_over_4 = arith.constant 0.78539816339 : f32
-  %sin_pi_over_4 = math.sin %pi_over_4 : f32
-  vector.print %sin_pi_over_4 : f32
+  call @sin_f32(%pi_over_4) : (f32) -> ()
 
   // CHECK: 1
   %pi_over_2 = arith.constant 1.57079632679 : f32
-  %sin_pi_over_2 = math.sin %pi_over_2 : f32
-  vector.print %sin_pi_over_2 : f32
-
+  call @sin_f32(%pi_over_2) : (f32) -> ()
 
   // CHECK: 0
   %pi = arith.constant 3.14159265359 : f32
-  %sin_pi = math.sin %pi : f32
-  vector.print %sin_pi : f32
+  call @sin_f32(%pi) : (f32) -> ()
 
   // CHECK: -1
   %pi_3_over_2 = arith.constant 4.71238898038 : f32
-  %sin_pi_3_over_2 = math.sin %pi_3_over_2 : f32
-  vector.print %sin_pi_3_over_2 : f32
+  call @sin_f32(%pi_3_over_2) : (f32) -> ()
 
   // CHECK: 0, 0.866025, -1
   %vec_x = arith.constant dense<[9.42477796077, 2.09439510239, -1.57079632679]> : vector<3xf32>
-  %sin_vec_x = math.sin %vec_x : vector<3xf32>
-  vector.print %sin_vec_x : vector<3xf32>
+  call @sin_3xf32(%vec_x) : (vector<3xf32>) -> ()
 
   return
 }
 
 // -------------------------------------------------------------------------- //
 // cos.
 // -------------------------------------------------------------------------- //
+func.func @cos_f32(%a : f32) { 
+  %r = math.cos %a : f32
+  vector.print %r : f32
+  return
+}
 
-func.func @cos(%zero : f32, %pi_over_4 : f32, %pi_over_2 : f32, %pi : f32, %pi_3_over_2 : f32, %vec_cos : vector<3xf32>) {
+func.func @cos_3xf32(%a : vector<3xf32>) { 
+  %r = math.cos %a : vector<3xf32>
+  vector.print %r : vector<3xf32>
+  return
+}
+
+func.func @cos() {
   // CHECK: 1
-  %cos_0 = math.cos %zero : f32
-  vector.print %cos_0 : f32
+  %zero = arith.constant 0.0 : f32
+  call @cos_f32(%zero) : (f32) -> ()
 
   // CHECK: 0.707107
-  %cos_pi_over_4 = math.cos %pi_over_4 : f32
-  vector.print %cos_pi_over_4 : f32
+  %pi_over_4 = arith.constant 0.78539816339 : f32
+  call @cos_f32(%pi_over_4) : (f32) -> ()
 
   //// CHECK: 0
-  %cos_pi_over_2 = math.cos %pi_over_2 : f32
-  vector.print %cos_pi_over_2 : f32
+  %pi_over_2 = arith.constant 1.57079632679 : f32
+  call @cos_f32(%pi_over_2) : (f32) -> ()
 
   /// CHECK: -1
-  %cos_pi = math.cos %pi : f32
-  vector.print %cos_pi : f32
+  %pi = arith.constant 3.14159265359 : f32
+  call @cos_f32(%pi) : (f32) -> ()
 
   // CHECK: 0
-  %cos_pi_3_over_2 = math.cos %pi_3_over_2 : f32
-  vector.print %cos_pi_3_over_2 : f32
+  %pi_3_over_2 = arith.constant 4.71238898038 : f32
+  call @cos_f32(%pi_3_over_2) : (f32) -> ()
 
   // CHECK: -1, -0.5, 0
-  %cos_vec_x = math.cos %vec_cos : vector<3xf32>
-  vector.print %cos_vec_x : vector<3xf32>
+  %vec_x = arith.constant dense<[9.42477796077, 2.09439510239, -1.57079632679]> : vector<3xf32>
+  call @cos_3xf32(%vec_x) : (vector<3xf32>) -> ()
 
   return
 }
 
 // -------------------------------------------------------------------------- //
 // Atan.
 // -------------------------------------------------------------------------- //
+func.func @atan_f32(%a : f32) { 
+  %r = math.atan %a : f32
+  vector.print %r : f32
+  return
+}
 
 func.func @atan() {
-  // CHECK: -0.785398
+  // CHECK: -0.785184
   %0 = arith.constant -1.0 : f32
-  %atan_0 = math.atan %0 : f32
-  vector.print %atan_0 : f32
+  call @atan_f32(%0) : (f32) -> ()
 
-  // CHECK: 0.785398
+  // CHECK: 0.785184
   %1 = arith.constant 1.0 : f32
-  %atan_1 = math.atan %1 : f32
-  vector.print %atan_1 : f32
+  call @atan_f32(%1) : (f32) -> ()
 
-  // CHECK: -0.463648
+  // CHECK: -0.463643
   %2 = arith.constant -0.5 : f32
-  %atan_2 = math.atan %2 : f32
-  vector.print %atan_2 : f32
+  call @atan_f32(%2) : (f32) -> ()
 
-  // CHECK: 0.463648
+  // CHECK: 0.463643
   %3 = arith.constant 0.5 : f32
-  %atan_3 = math.atan %3 : f32
-  vector.print %atan_3 : f32
+  call @atan_f32(%3) : (f32) -> ()
 
   // CHECK: 0
   %4 = arith.constant 0.0 : f32
-  %atan_4 = math.atan %4 : f32
-  vector.print %atan_4 : f32
+  call @atan_f32(%4) : (f32) -> ()
 
   // CHECK: -1.10715
   %5 = arith.constant -2.0 : f32
-  %atan_5 = math.atan %5 : f32
-  vector.print %atan_5 : f32
+  call @atan_f32(%5) : (f32) -> ()
 
   // CHECK: 1.10715
   %6 = arith.constant 2.0 : f32
-  %atan_6 = math.atan %6 : f32
-  vector.print %atan_6 : f32
+  call @atan_f32(%6) : (f32) -> ()
 
   return
 }
 
 
 // -------------------------------------------------------------------------- //
 // Atan2.
 // -------------------------------------------------------------------------- //
+func.func @atan2_f32(%a : f32, %b : f32) { 
+  %r = math.atan2 %a, %b : f32
+  vector.print %r : f32
+  return
+}
 
 func.func @atan2() {
   %zero = arith.constant 0.0 : f32
   %one = arith.constant 1.0 : f32
   %two = arith.constant 2.0 : f32
   %neg_one = arith.constant -1.0 : f32
   %neg_two = arith.constant -2.0 : f32
 
   // CHECK: 0
-  %atan2_0 = math.atan2 %zero, %one : f32
-  vector.print %atan2_0 : f32
+  call @atan2_f32(%zero, %one) : (f32, f32) -> ()
 
   // CHECK: 1.5708
-  %atan2_1 = math.atan2 %one, %zero : f32
-  vector.print %atan2_1 : f32
+  call @atan2_f32(%one, %zero) : (f32, f32) -> ()
 
   // CHECK: 3.14159
-  %atan2_2 = math.atan2 %zero, %neg_one : f32
-  vector.print %atan2_2 : f32
+  call @atan2_f32(%zero, %neg_one) : (f32, f32) -> ()
 
   // CHECK: -1.5708
-  %atan2_3 = math.atan2 %neg_one, %zero : f32
-  vector.print %atan2_3 : f32
+  call @atan2_f32(%neg_one, %zero) : (f32, f32) -> ()
 
   // CHECK: nan
-  %atan2_4 = math.atan2 %zero, %zero : f32
-  vector.print %atan2_4 : f32
+  call @atan2_f32(%zero, %zero) : (f32, f32) -> ()
 
   // CHECK: 1.10715
-  %atan2_5 = math.atan2 %two, %one : f32
-  vector.print %atan2_5 : f32
+  call @atan2_f32(%two, %one) : (f32, f32) -> ()
 
   // CHECK: 2.03444
   %x6 = arith.constant -1.0 : f32
   %y6 = arith.constant 2.0 : f32
-  %atan2_6 = math.atan2 %two, %neg_one : f32
-  vector.print %atan2_6 : f32
+  call @atan2_f32(%two, %neg_one) : (f32, f32) -> ()
 
   // CHECK: -2.03444
-  %atan2_7 = math.atan2 %neg_two, %neg_one : f32
-  vector.print %atan2_7 : f32
+  call @atan2_f32(%neg_two, %neg_one) : (f32, f32) -> ()
 
   // CHECK: -1.10715
-  %atan2_8 = math.atan2 %neg_two, %one : f32
-  vector.print %atan2_8 : f32
+  call @atan2_f32(%neg_two, %one) : (f32, f32) -> ()
 
-  // CHECK: 0.463648
-  %atan2_9 = math.atan2 %one, %two : f32
-  vector.print %atan2_9 : f32
+  // CHECK: 0.463643
+  call @atan2_f32(%one, %two) : (f32, f32) -> ()
 
   // CHECK: 2.67795
   %x10 = arith.constant -2.0 : f32
   %y10 = arith.constant 1.0 : f32
-  %atan2_10 = math.atan2 %one, %neg_two : f32
-  vector.print %atan2_10 : f32
+  call @atan2_f32(%one, %neg_two) : (f32, f32) -> ()
 
   // CHECK: -2.67795
   %x11 = arith.constant -2.0 : f32
   %y11 = arith.constant -1.0 : f32
-  %atan2_11 = math.atan2 %neg_one, %neg_two : f32
-  vector.print %atan2_11 : f32
+  call @atan2_f32(%neg_one, %neg_two) : (f32, f32) -> ()
 
-  // CHECK: -0.463648
-  %atan2_12 = math.atan2 %neg_one, %two : f32
-  vector.print %atan2_12 : f32
+  // CHECK: -0.463643
+  call @atan2_f32(%neg_one, %two) : (f32, f32) -> ()
 
   return
 }
 
 
 func.func @main() {
   call @tanh(): () -> ()
   call @log(): () -> ()
   call @log2(): () -> ()
   call @log1p(): () -> ()
   call @erf(): () -> ()
   call @exp(): () -> ()
   call @expm1(): () -> ()
   call @sin(): () -> ()
-  %zero = arith.constant 0.0 : f32
-  %pi_over_4 = arith.constant 0.78539816339 : f32
-  %pi_over_2 = arith.constant 1.57079632679 : f32
-  %pi = arith.constant 3.14159265359 : f32
-  %pi_3_over_2 = arith.constant 4.71238898038 : f32
-  %vec_cos = arith.constant dense<[9.42477796077, 2.09439510239, -1.57079632679]> : vector<3xf32>
-  call @cos(%zero, %pi_over_4, %pi_over_2, %pi, %pi_3_over_2, %vec_cos): (f32, f32, f32, f32, f32, vector<3xf32>) -> ()
+  call @cos(): () -> ()
   call @atan() : () -> ()
   call @atan2() : () -> ()
   return
 }