Files
clang-p2996/openmp/runtime/test/ompt/synchronization/ordered.c
Rainer Orth 1b4f161978 [OpenMP][test] Make %p 0x prefix optional (#138514)
Testing `openmp` on Solaris/amd64 shows a large number of failures, all
due to the same issue:

```
# .---command stderr------------
# | openmp/runtime/test/ompt/misc/interoperability.cpp:67:16: error: CHECK-SAME: expected string not found in input
# | // CHECK-SAME: parent_task_frame.reenter={{0x[0-f]+}}
# |                ^
# | <stdin>:5:101: note: scanning from here
# | 281474976710658: ompt_event_parallel_begin: parent_task_id=281474976710659, parent_task_frame.exit=0, parent_task_frame.reenter=7fffbedffe90, parallel_id=281474976710661, requested_team_size=2, codeptr_ra=408b8e, invoker=2
```

The testsuite expects pointers to be printed with a `0x` prefix when
using the `%p` format, while Solaris `libc` just prints them in hex
without a prefix.

However, this difference is completely benign. ISO C (up to C23,
7.23.6.1) states

```
p	The argument shall be a pointer to void or a pointer to a character
	type. The value of the pointer is converted to a sequence of printing
	characters, in an implementation-defined manner.
```

I saw two ways around this:

- replace every instance of `%p` with a macro (`KMP_PTR_FMT`, defined as
`"%p"` or `"0x%p" as appropriate), or
- adjust the testsuite to make the `0x` prefix optional

The second route seemed less intrusive and more readable, so that's what
this patch does. While large, it's also completely mechanical.

Tested on `amd64-pc-solaris2.11` and `x86_64-pc-linux-gnu`.
2025-05-10 09:50:08 +02:00

33 lines
1.2 KiB
C

// RUN: %libomp-compile-and-run | FileCheck %s
// REQUIRES: ompt
// UNSUPPORTED: gcc-4, gcc-5, gcc-6, gcc-7
#include "callback.h"
#include <omp.h>
int main()
{
#pragma omp ordered
{
print_current_address(1);
print_ids(0);
}
print_current_address(2);
// Check if libomp supports the callbacks for this test.
// CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_mutex_acquire'
// CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_mutex_acquired'
// CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_mutex_released'
// CHECK-NOT: {{^}}0: Could not register callback 'ompt_callback_nest_lock'
// CHECK: 0: NULL_POINTER=[[NULL:.*$]]
// CHECK: {{^}}[[MASTER_ID:[0-9]+]]: ompt_event_wait_ordered: wait_id=[[WAIT_ID:[0-9]+]], hint={{[0-9]+}}, impl={{[0-9]+}}, codeptr_ra=[[RETURN_ADDRESS:(0x)?[0-f]+]]
// CHECK: {{^}}[[MASTER_ID]]: ompt_event_acquired_ordered: wait_id=[[WAIT_ID]], codeptr_ra=[[RETURN_ADDRESS]]
// CHECK-NEXT: {{^}}[[MASTER_ID]]: current_address={{.*}}[[RETURN_ADDRESS]]
// CHECK: {{^}}[[MASTER_ID]]: ompt_event_release_ordered: wait_id=[[WAIT_ID]], codeptr_ra=[[RETURN_ADDRESS:(0x)?[0-f]+]]
// CHECK-NEXT: {{^}}[[MASTER_ID]]: current_address={{.*}}[[RETURN_ADDRESS]]
return 0;
}