llvm-project/clang/test/OpenMP/assumes_print.cpp
Sirraide c44fa3e8a9
[Clang] Refactor __attribute__((assume)) (#84934)
This is a followup to #81014 and #84582: Before this patch, Clang 
would accept `__attribute__((assume))` and `[[clang::assume]]` as 
nonstandard spellings for the `[[omp::assume]]` attribute; this 
resulted in a potentially very confusing name clash with C++23’s 
`[[assume]]` attribute (and GCC’s `assume` attribute with the same
semantics).

This pr replaces every usage of `__attribute__((assume))`  with 
`[[omp::assume]]` and makes `__attribute__((assume))` and 
`[[clang::assume]]` alternative spellings for C++23’s `[[assume]]`; 
this shouldn’t cause any problems due to differences in appertainment
and because almost no-one was using this variant spelling to begin
with (a use in libclc has already been changed to use a different
attribute).
2024-05-22 17:58:48 +02:00

45 lines
1.3 KiB
C++

// RUN: %clang_cc1 -verify -fopenmp -ast-print %s | FileCheck %s
// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -verify %s -ast-print | FileCheck %s
// RUN: %clang_cc1 -verify -fopenmp-simd -ast-print %s | FileCheck %s
// RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp-simd -std=c++11 -include-pch %t -verify %s -ast-print | FileCheck %s
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
void foo() {
}
#pragma omp assumes no_openmp_routines
namespace inner {
#pragma omp assumes no_openmp
} // namespace inner
#pragma omp begin assumes ext_range_bar_only
#pragma omp begin assumes ext_range_bar_only_2
void bar() {
}
#pragma omp end assumes
#pragma omp end assumes
#pragma omp begin assumes ext_not_seen
#pragma omp end assumes
#pragma omp begin assumes ext_1234
void baz() {
}
#pragma omp end assumes
// CHECK{LITERAL}: void foo() [[omp::assume("omp_no_openmp_routines")]] [[omp::assume("omp_no_openmp")]]
// CHECK{LITERAL}: [[omp::assume("ompx_range_bar_only")]] [[omp::assume("ompx_range_bar_only_2")]] [[omp::assume("omp_no_openmp_routines")]] [[omp::assume("omp_no_openmp")]] void bar()
// CHECK{LITERAL}: [[omp::assume("ompx_1234")]] [[omp::assume("omp_no_openmp_routines")]] [[omp::assume("omp_no_openmp")]] void baz()
#endif