}
//===----------------------------------------------------------------------===//
+// CosOp folder
+//===----------------------------------------------------------------------===//
+
+OpFoldResult math::CosOp::fold(ArrayRef<Attribute> operands) {
+ return constFoldUnaryOpConditional<FloatAttr>(
+ operands, [](const APFloat &a) -> Optional<APFloat> {
+ switch (a.getSizeInBits(a.getSemantics())) {
+ case 64:
+ return APFloat(cos(a.convertToDouble()));
+ case 32:
+ return APFloat(cosf(a.convertToFloat()));
+ default:
+ return {};
+ }
+ });
+}
+
+//===----------------------------------------------------------------------===//
// CountLeadingZerosOp folder
//===----------------------------------------------------------------------===//
return %0 : vector<4xf32>
}
+// CHECK-LABEL: @cos_fold
+// CHECK-NEXT: %[[cst:.+]] = arith.constant 0.540302277 : f32
+// CHECK-NEXT: return %[[cst]]
+func.func @cos_fold() -> f32 {
+ %c = arith.constant 1.0 : f32
+ %r = math.cos %c : f32
+ return %r : f32
+}
+
+// CHECK-LABEL: @cos_fold_vec
+// CHECK-NEXT: %[[cst:.+]] = arith.constant dense<[1.000000e+00, 0.540302277, 1.000000e+00, 0.540302277]> : vector<4xf32>
+// CHECK-NEXT: return %[[cst]]
+func.func @cos_fold_vec() -> (vector<4xf32>) {
+ %v1 = arith.constant dense<[0.0, 1.0, 0.0, 1.0]> : vector<4xf32>
+ %0 = math.cos %v1 : vector<4xf32>
+ return %0 : vector<4xf32>
+}
// cos.
// -------------------------------------------------------------------------- //
-func.func @cos() {
+func.func @cos(%zero : f32, %pi_over_4 : f32, %pi_over_2 : f32, %pi : f32, %pi_3_over_2 : f32, %vec_cos : vector<3xf32>) {
// CHECK: 1
- %0 = arith.constant 0.0 : f32
- %cos_0 = math.cos %0 : f32
+ %cos_0 = math.cos %zero : f32
vector.print %cos_0 : f32
// CHECK: 0.707107
- %pi_over_4 = arith.constant 0.78539816339 : f32
%cos_pi_over_4 = math.cos %pi_over_4 : f32
vector.print %cos_pi_over_4 : f32
//// CHECK: 0
- %pi_over_2 = arith.constant 1.57079632679 : f32
%cos_pi_over_2 = math.cos %pi_over_2 : f32
vector.print %cos_pi_over_2 : f32
/// CHECK: -1
- %pi = arith.constant 3.14159265359 : f32
%cos_pi = math.cos %pi : f32
vector.print %cos_pi : f32
// CHECK: 0
- %pi_3_over_2 = arith.constant 4.71238898038 : f32
%cos_pi_3_over_2 = math.cos %pi_3_over_2 : f32
vector.print %cos_pi_3_over_2 : f32
// CHECK: -1, -0.5, 0
- %vec_x = arith.constant dense<[9.42477796077, 2.09439510239, -1.57079632679]> : vector<3xf32>
- %cos_vec_x = math.cos %vec_x : vector<3xf32>
+ %cos_vec_x = math.cos %vec_cos : vector<3xf32>
vector.print %cos_vec_x : vector<3xf32>
-
return
}
call @exp(): () -> ()
call @expm1(): () -> ()
call @sin(): () -> ()
- call @cos(): () -> ()
+ %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 @atan() : () -> ()
call @atan2() : () -> ()
return