xref: /llvm-project/offload/test/tools/offload-tblgen/functions_ranged_param.td (revision fd3907ccb583df99e9c19d2fe84e4e7c52d75de9)
1// RUN: %offload-tblgen -gen-print-header -I %S/../../../liboffload/API %s | %fcheck-generic
2
3// Check that ranged function parameters are implemented correctly. These
4// are pointers to an array of an arbitrary size. Their size is described as a
5// range between two values. This is typically between 0 and a parameter such
6// as NumItems. The range information helps the printing code print the entire
7// range of the output rather than just the pointer or the first element.
8
9include "APIDefs.td"
10
11def : Handle {
12    let name = "some_handle_t";
13    let desc = "An example handle type";
14}
15
16def : Function {
17    let name = "FunctionA";
18    let desc = "Function A description";
19    let details = [ "Function A detailed information" ];
20  let params = [
21    Param<"size_t", "OutCount", "the number of things to write out", PARAM_IN>,
22    RangedParam<"some_handle_t*", "OutPtr", "pointer to the output things.", PARAM_OUT,
23      Range<"0", "OutCount">>
24  ];
25  let returns = [];
26}
27
28// CHECK: inline std::ostream &operator<<(std::ostream &os, const struct function_a_params_t *params) {
29// CHECK:   os << ".OutPtr = ";
30// CHECK:   for (size_t i = 0; i < *params->pOutCount; i++) {
31// CHECK:     if (i > 0) {
32// CHECK:       os << ", ";
33// CHECK:     }
34// CHECK:     printPtr(os, (*params->pOutPtr)[i]);
35// CHECK:   }
36// CHECK:   os << "}";
37