llvm/clang/test/OpenMP/ordered_ast_print.cpp
Alexey Bataev cbecfdfefe [OpenMP] Fix trailing space when printing pragmas, by Joel. E. Denny
Summary:
-ast-print prints omp pragmas with a trailing space.  While this
behavior is likely of little concern to most users, surely it's
unintentional, and it's annoying for some source-level work I'm
pursuing.  This patch focuses on omp pragmas, but it also fixes
init_seg and loop hint pragmas because they share implementation.

The testing strategy here is to add usually just one '{{$}}' per
relevant -ast-print test file.  This seems to achieve good code
coverage.  However, this strategy is probably easy to forget as the
tests evolve.  That's probably fine as this fix is far from critical.
The main goal of the testing is to aid the initial review.

This patch also adds a fixme for "#pragma unroll", which prints as
"#pragma unroll (enable)", which is invalid syntax.

Reviewers: ABataev

Reviewed By: ABataev

Subscribers: guansong, cfe-commits

Differential Revision: https://reviews.llvm.org/D43204

llvm-svn: 325145
2018-02-14 17:38:47 +00:00

214 lines
5.5 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 -fsyntax-only -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 -fsyntax-only -verify %s -ast-print | FileCheck %s
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
void foo() {}
template <class T, int N>
T tmain (T argc) {
T b = argc, c, d, e, f, g;
static T a;
#pragma omp for ordered
for (int i =0 ; i < argc; ++i)
#pragma omp ordered
{
a=2;
}
#pragma omp for ordered
for (int i =0 ; i < argc; ++i)
#pragma omp ordered threads
{
a=2;
}
#pragma omp simd
for (int i =0 ; i < argc; ++i)
#pragma omp ordered simd
{
a=2;
}
#pragma omp for simd
for (int i =0 ; i < argc; ++i)
#pragma omp ordered simd
{
a=2;
}
#pragma omp parallel for simd
for (int i =0 ; i < argc; ++i)
#pragma omp ordered simd
{
a=2;
}
#pragma omp parallel for ordered(1)
for (int i =0 ; i < argc; ++i) {
#pragma omp ordered depend(source)
#pragma omp ordered depend(sink:i+N)
a = 2;
}
return (0);
}
// CHECK: static T a;
// CHECK-NEXT: #pragma omp for ordered
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered{{$}}
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp for ordered
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered threads
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp simd
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered simd
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp for simd
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered simd
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp parallel for simd
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered simd
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp parallel for ordered(1)
// CHECK-NEXT: for (int i = 0; i < argc; ++i) {
// CHECK-NEXT: #pragma omp ordered depend(source)
// CHECK-NEXT: #pragma omp ordered depend(sink : i + N)
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK: static int a;
// CHECK-NEXT: #pragma omp for ordered
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp for ordered
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered threads
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp simd
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered simd
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp for simd
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered simd
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp parallel for simd
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered simd
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp parallel for ordered(1)
// CHECK-NEXT: for (int i = 0; i < argc; ++i) {
// CHECK-NEXT: #pragma omp ordered depend(source)
// CHECK-NEXT: #pragma omp ordered depend(sink : i + 3)
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-LABEL: int main(
int main (int argc, char **argv) {
int b = argc, c, d, e, f, g;
static int a;
// CHECK: static int a;
#pragma omp for ordered
for (int i =0 ; i < argc; ++i)
#pragma omp ordered
{
a=2;
}
#pragma omp for ordered
for (int i =0 ; i < argc; ++i)
#pragma omp ordered threads
{
a=2;
}
#pragma omp simd
for (int i =0 ; i < argc; ++i)
#pragma omp ordered simd
{
a=2;
}
#pragma omp for simd
for (int i =0 ; i < argc; ++i)
#pragma omp ordered simd
{
a=2;
}
#pragma omp parallel for simd
for (int i =0 ; i < argc; ++i)
#pragma omp ordered simd
{
a=2;
}
#pragma omp parallel for ordered(1)
for (int i =0 ; i < argc; ++i) {
#pragma omp ordered depend(source)
#pragma omp ordered depend(sink: i - 5)
a = 2;
}
// CHECK-NEXT: #pragma omp for ordered
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp for ordered
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered threads
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp simd
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered simd
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp for simd
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered simd
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp parallel for simd
// CHECK-NEXT: for (int i = 0; i < argc; ++i)
// CHECK-NEXT: #pragma omp ordered simd
// CHECK-NEXT: {
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp parallel for ordered(1)
// CHECK-NEXT: for (int i = 0; i < argc; ++i) {
// CHECK-NEXT: #pragma omp ordered depend(source)
// CHECK-NEXT: #pragma omp ordered depend(sink : i - 5)
// CHECK-NEXT: a = 2;
// CHECK-NEXT: }
return tmain<int, 3>(argc);
}
#endif