test/Examples/Toy/Ch1/ast.toy

# RUN: toyc-ch1 %s -emit=ast 2>&1 | FileCheck %s


# User defined generic function that operates solely on 
def multiply_transpose(a, b) {
  return a * transpose(b);
}

def main() {
  # Define a variable `a` with shape <2, 3>, initialized with the literal value.
  # The shape is inferred from the supplied literal.
  var a = [[1, 2, 3], [4, 5, 6]];
  # b is identical to a, the literal array is implicitly reshaped: defining new
  # variables is the way to reshape arrays (element count must match).
  var b<2, 3> = [1, 2, 3, 4, 5, 6];
  # This call will specialize `multiply_transpose` with <2, 3> for both
  # arguments and deduce a return type of <2, 2> in initialization of `c`.
  var c = multiply_transpose(a, b);
  # A second call to `multiply_transpose` with <2, 3> for both arguments will
  # reuse the previously specialized and inferred version and return `<2, 2>`
  var d = multiply_transpose(b, a);
  # A new call with `<2, 2>` for both dimension will trigger another
  # specialization of `multiply_transpose`.
  var e = multiply_transpose(b, c);
  # Finally, calling into `multiply_transpose` with incompatible shape will
  # trigger a shape inference error.
  var e = multiply_transpose(transpose(a), c);
}


# CHECK: Module:
# CHECK-NEXT:     Function
# CHECK-NEXT:       Proto 'multiply_transpose' @{{.*}}Toy/Ch1/ast.toy:5:1'
# CHECK-NEXT:       Params: [a, b]
# CHECK-NEXT:       Block {
# CHECK-NEXT:         Retur
# CHECK-NEXT:           BinOp: * @{{.*}}Toy/Ch1/ast.toy:6:14
# CHECK-NEXT:             var: a @{{.*}}Toy/Ch1/ast.toy:6:10
# CHECK-NEXT:             Call 'transpose' [ @{{.*}}Toy/Ch1/ast.toy:6:14
# CHECK-NEXT:               var: b @{{.*}}Toy/Ch1/ast.toy:6:24
# CHECK-NEXT:             ]
# CHECK-NEXT:       } // Block
# CHECK-NEXT:     Function
# CHECK-NEXT:       Proto 'main' @{{.*}}Toy/Ch1/ast.toy:9:1'
# CHECK-NEXT:       Params: []
# CHECK-NEXT:       Block {
# CHECK-NEXT:         VarDecl a<> @{{.*}}Toy/Ch1/ast.toy:12:3
# CHECK-NEXT:           Literal: <2, 3>[ <3>[ 1.000000e+00, 2.000000e+00, 3.000000e+00], <3>[ 4.000000e+00, 5.000000e+00, 6.000000e+00]] @{{.*}}Toy/Ch1/ast.toy:12:11
# CHECK-NEXT:         VarDecl b<2, 3> @{{.*}}Toy/Ch1/ast.toy:15:3
# CHECK-NEXT:           Literal: <6>[ 1.000000e+00, 2.000000e+00, 3.000000e+00, 4.000000e+00, 5.000000e+00, 6.000000e+00] @{{.*}}Toy/Ch1/ast.toy:15:17
# CHECK-NEXT:         VarDecl c<> @{{.*}}Toy/Ch1/ast.toy:18:3
# CHECK-NEXT:           Call 'multiply_transpose' [ @{{.*}}Toy/Ch1/ast.toy:18:11
# CHECK-NEXT:             var: a @{{.*}}Toy/Ch1/ast.toy:18:30
# CHECK-NEXT:             var: b @{{.*}}Toy/Ch1/ast.toy:18:33
# CHECK-NEXT:           ]
# CHECK-NEXT:         VarDecl d<> @{{.*}}Toy/Ch1/ast.toy:21:3
# CHECK-NEXT:           Call 'multiply_transpose' [ @{{.*}}Toy/Ch1/ast.toy:21:11
# CHECK-NEXT:             var: b @{{.*}}Toy/Ch1/ast.toy:21:30
# CHECK-NEXT:             var: a @{{.*}}Toy/Ch1/ast.toy:21:33
# CHECK-NEXT:           ]
# CHECK-NEXT:         VarDecl e<> @{{.*}}Toy/Ch1/ast.toy:24:3
# CHECK-NEXT:           Call 'multiply_transpose' [ @{{.*}}Toy/Ch1/ast.toy:24:11
# CHECK-NEXT:             var: b @{{.*}}Toy/Ch1/ast.toy:24:30
# CHECK-NEXT:             var: c @{{.*}}Toy/Ch1/ast.toy:24:33
# CHECK-NEXT:           ]
# CHECK-NEXT:         VarDecl e<> @{{.*}}Toy/Ch1/ast.toy:27:3
# CHECK-NEXT:           Call 'multiply_transpose' [ @{{.*}}Toy/Ch1/ast.toy:27:11
# CHECK-NEXT:             Call 'transpose' [ @{{.*}}Toy/Ch1/ast.toy:27:30
# CHECK-NEXT:               var: a @{{.*}}Toy/Ch1/ast.toy:27:40
# CHECK-NEXT:             ]
# CHECK-NEXT:             var: c @{{.*}}Toy/Ch1/ast.toy:27:44
# CHECK-NEXT:           ]