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llvm-mirror/test/TableGen/empty.td
Paul C. Anagnostopoulos 40d033740a [TableGen] Enhance !empty and !size to handle strings and DAGs.
Fix bug in the type checking for !empty, !head, !size, !tail.
2020-10-19 09:22:20 -04:00

72 lines
1.4 KiB
TableGen

// RUN: llvm-tblgen %s | FileCheck %s
// XFAIL: vg_leak
defvar LongList = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
defvar EmptyStr = "";
// Test !empty(dag).
// CHECK: def Drec1 {
// CHECK: bit Empty = 1;
// CHECK: bit NotEmpty = 0;
// CHECK: def Drec2 {
// CHECK: bit Empty = 0;
// CHECK: bit NotEmpty = 1;
// CHECK: def Drec3 {
// CHECK: bit Empty = 0;
// CHECK: bit NotEmpty = 1;
class D<dag ADag> {
bit Empty = !empty(ADag);
bit NotEmpty = !not(!empty(ADag));
}
def op;
def Drec1 : D<(op)>;
def Drec2 : D<(op "string")>;
def Drec3 : D<(op "string", 42)>;
// Test !empty(list).
// CHECK: def Lrec1 {
// CHECK: bit Empty = 1;
// CHECK: bit NotEmpty = 0;
// CHECK: def Lrec2 {
// CHECK: bit Empty = 0;
// CHECK: bit NotEmpty = 1;
// CHECK: def Lrec3 {
// CHECK: bit Empty = 0;
// CHECK: bit NotEmpty = 1;
class L<list<int> Ints> {
bit Empty = !empty(Ints);
bit NotEmpty = !not(!empty(Ints));
}
def Lrec1 : L<[]>;
def Lrec2 : L<[1]>;
def Lrec3 : L<LongList>;
// Test !empty(string).
// CHECK: def Srec1 {
// CHECK: bit Empty = 1;
// CHECK: bit NotEmpty = 0;
// CHECK: def Srec2 {
// CHECK: bit Empty = 0;
// CHECK: bit NotEmpty = 1;
// CHECK: def Srec3 {
// CHECK: bit Empty = 0;
// CHECK: bit NotEmpty = 1;
class S<string Str> {
bit Empty = !empty(Str);
bit NotEmpty = !not(!empty(Str));
}
def Srec1 : S<EmptyStr>;
def Srec2 : S<"a">;
def Srec3 : S<"ab">;