llvm-project/compiler-rt/test/BlocksRuntime/byrefstruct.c

57 lines
1.4 KiB
C

//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil; -*-
// CONFIG
#import <stdio.h>
#import <stdlib.h>
#import <string.h>
typedef struct {
unsigned long ps[30];
int qs[30];
} BobTheStruct;
int main (int argc, const char * argv[]) {
__block BobTheStruct fiddly;
BobTheStruct copy;
void (^incrementFiddly)() = ^{
int i;
for(i=0; i<30; i++) {
fiddly.ps[i]++;
fiddly.qs[i]++;
}
};
memset(&fiddly, 0xA5, sizeof(fiddly));
memset(&copy, 0x2A, sizeof(copy));
int i;
for(i=0; i<30; i++) {
fiddly.ps[i] = i * i * i;
fiddly.qs[i] = -i * i * i;
}
copy = fiddly;
incrementFiddly();
if ( &copy == &fiddly ) {
printf("%s: struct wasn't copied.", argv[0]);
exit(1);
}
for(i=0; i<30; i++) {
//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]);
if ( (fiddly.ps[i] != copy.ps[i] + 1) || (fiddly.qs[i] != copy.qs[i] + 1) ) {
printf("%s: struct contents were not incremented.", argv[0]);
exit(1);
}
}
printf("%s: success\n", argv[0]);
return 0;
}