xref: /llvm-project/compiler-rt/test/BlocksRuntime/byrefstruct.c (revision 2946cd701067404b99c39fb29dc9c74bd7193eb3)
18c1441f8SAlexey Samsonov //
2*2946cd70SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
3*2946cd70SChandler Carruth // See https://llvm.org/LICENSE.txt for license information.
4*2946cd70SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
58c1441f8SAlexey Samsonov 
68c1441f8SAlexey Samsonov //  -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil;  -*-
78c1441f8SAlexey Samsonov // CONFIG
88c1441f8SAlexey Samsonov 
98c1441f8SAlexey Samsonov #import <stdio.h>
108c1441f8SAlexey Samsonov #import <stdlib.h>
118c1441f8SAlexey Samsonov #import <string.h>
128c1441f8SAlexey Samsonov 
138c1441f8SAlexey Samsonov typedef struct {
148c1441f8SAlexey Samsonov     unsigned long ps[30];
158c1441f8SAlexey Samsonov     int qs[30];
168c1441f8SAlexey Samsonov } BobTheStruct;
178c1441f8SAlexey Samsonov 
main(int argc,const char * argv[])188c1441f8SAlexey Samsonov int main (int argc, const char * argv[]) {
198c1441f8SAlexey Samsonov     __block BobTheStruct fiddly;
208c1441f8SAlexey Samsonov     BobTheStruct copy;
218c1441f8SAlexey Samsonov 
228c1441f8SAlexey Samsonov     void (^incrementFiddly)() = ^{
238c1441f8SAlexey Samsonov         int i;
248c1441f8SAlexey Samsonov         for(i=0; i<30; i++) {
258c1441f8SAlexey Samsonov             fiddly.ps[i]++;
268c1441f8SAlexey Samsonov             fiddly.qs[i]++;
278c1441f8SAlexey Samsonov         }
288c1441f8SAlexey Samsonov     };
298c1441f8SAlexey Samsonov 
308c1441f8SAlexey Samsonov     memset(&fiddly, 0xA5, sizeof(fiddly));
318c1441f8SAlexey Samsonov     memset(&copy, 0x2A, sizeof(copy));
328c1441f8SAlexey Samsonov 
338c1441f8SAlexey Samsonov     int i;
348c1441f8SAlexey Samsonov     for(i=0; i<30; i++) {
358c1441f8SAlexey Samsonov         fiddly.ps[i] = i * i * i;
368c1441f8SAlexey Samsonov         fiddly.qs[i] = -i * i * i;
378c1441f8SAlexey Samsonov     }
388c1441f8SAlexey Samsonov 
398c1441f8SAlexey Samsonov     copy = fiddly;
408c1441f8SAlexey Samsonov     incrementFiddly();
418c1441f8SAlexey Samsonov 
428c1441f8SAlexey Samsonov     if ( &copy == &fiddly ) {
438c1441f8SAlexey Samsonov         printf("%s: struct wasn't copied.", argv[0]);
448c1441f8SAlexey Samsonov         exit(1);
458c1441f8SAlexey Samsonov     }
468c1441f8SAlexey Samsonov     for(i=0; i<30; i++) {
478c1441f8SAlexey Samsonov         //printf("[%d]: fiddly.ps: %lu, copy.ps: %lu, fiddly.qs: %d, copy.qs: %d\n", i, fiddly.ps[i], copy.ps[i], fiddly.qs[i], copy.qs[i]);
488c1441f8SAlexey Samsonov         if ( (fiddly.ps[i] != copy.ps[i] + 1) || (fiddly.qs[i] != copy.qs[i] + 1) ) {
498c1441f8SAlexey Samsonov             printf("%s: struct contents were not incremented.", argv[0]);
508c1441f8SAlexey Samsonov             exit(1);
518c1441f8SAlexey Samsonov         }
528c1441f8SAlexey Samsonov     }
538c1441f8SAlexey Samsonov 
548c1441f8SAlexey Samsonov     printf("%s: success\n", argv[0]);
558c1441f8SAlexey Samsonov     return 0;
568c1441f8SAlexey Samsonov }
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