1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// Check that the condition register is restored properly during unwinding
// on AIX. Option -O3 is required so that the compiler will re-use the value
// in the condition register instead of re-evaluating the condition expression.
// REQUIRES: target=powerpc{{(64)?}}-ibm-aix
// ADDITIONAL_COMPILE_FLAGS: -O3
// UNSUPPORTED: no-exceptions
#include <cstdlib>
#include <cassert>
int __attribute__((noinline)) test2(int i) {
// The inline assembly forces the prologue/epilogue to save/restore the
// condition register.
asm volatile("nop" : : : "cr2");
if (i > 3) {
throw i;
}
srand(i);
return rand() + i;
}
void __attribute__((noinline)) test(int argc, const char **argv) {
int a = atoi(argv[1]);
int b = atoi(argv[2]);
try {
test2(a < b ? argc : b);
} catch (int num) {
assert(!(a < b));
}
}
int main(int, char**) {
const char *av[]={"a.out", "12", "10"};
test(4, av);
return 0;
}
|
