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clang-p2996/clang/test/OpenMP/ordered_ast_print.cpp
Serge Pavlov a67a4d2f3c Make output of -ast-print a valid C++ code. 
Output generated by option -ast-print looks like C/C++ code, and it
really is for plain C. For C++ the produced output was not valid C++
code, but the differences were small. With this change the output
is fixed and can be compiled. Tests are changed so that output produced
by -ast-print is compiled again with the same flags and both outputs are
compared.

Option -ast-print is extensively used in clang tests but it itself
was tested poorly, existing tests only checked that compiler did not
crash. There are unit tests in file DeclPrinterTest.cpp, but they test
only terse output mode.

Differential Revision: https://reviews.llvm.org/D26452

llvm-svn: 286439
2016-11-10 08:49:37 +00:00

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// 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
// 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
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