});
}
+//===----------------------------------------------------------------------===//
+// TanOp folder
+//===----------------------------------------------------------------------===//
+
+OpFoldResult math::TanOp::fold(ArrayRef<Attribute> operands) {
+ return constFoldUnaryOpConditional<FloatAttr>(
+ operands, [](const APFloat &a) -> Optional<APFloat> {
+ switch (a.getSizeInBits(a.getSemantics())) {
+ case 64:
+ return APFloat(tan(a.convertToDouble()));
+ case 32:
+ return APFloat(tanf(a.convertToFloat()));
+ default:
+ return {};
+ }
+ });
+}
+
/// Materialize an integer or floating point constant.
Operation *math::MathDialect::materializeConstant(OpBuilder &builder,
Attribute value, Type type,
%0 = math.expm1 %v1 : vector<4xf32>
return %0 : vector<4xf32>
}
+
+
+// CHECK-LABEL: @tan_fold
+// CHECK-NEXT: %[[cst:.+]] = arith.constant 1.55740774 : f32
+// CHECK-NEXT: return %[[cst]]
+func.func @tan_fold() -> f32 {
+ %c = arith.constant 1.0 : f32
+ %r = math.tan %c : f32
+ return %r : f32
+}
+
+// CHECK-LABEL: @tan_fold_vec
+// CHECK-NEXT: %[[cst:.+]] = arith.constant dense<[0.000000e+00, 1.55740774, 0.000000e+00, 1.55740774]> : vector<4xf32>
+// CHECK-NEXT: return %[[cst]]
+func.func @tan_fold_vec() -> (vector<4xf32>) {
+ %v1 = arith.constant dense<[0.0, 1.0, 0.0, 1.0]> : vector<4xf32>
+ %0 = math.tan %v1 : vector<4xf32>
+ return %0 : vector<4xf32>
+}
+