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teak-llvm/clang/test/OpenMP/target_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

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// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -ast-print %s | FileCheck %s
// RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 -ast-print %s | FileCheck %s
// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
void foo() {}
template <typename T, int C>
T tmain(T argc, T *argv) {
T i, j, a[20], always;
#pragma omp target
foo();
#pragma omp target if (target:argc > 0)
foo();
#pragma omp target if (C)
foo();
#pragma omp target map(i)
foo();
#pragma omp target map(a[0:10], i)
foo();
#pragma omp target map(to: i) map(from: j)
foo();
#pragma omp target map(always,alloc: i)
foo();
#pragma omp target map(always from: i)
foo();
#pragma omp target map(always)
{always++;}
#pragma omp target map(always,i)
{always++;i++;}
#pragma omp target nowait
foo();
#pragma omp target depend(in : argc, argv[i:argc], a[:])
foo();
#pragma omp target defaultmap(tofrom: scalar)
foo();
return 0;
}
// CHECK: template <typename T, int C> T tmain(T argc, T *argv) {
// CHECK-NEXT: T i, j, a[20]
// CHECK-NEXT: #pragma omp target{{$}}
// CHECK-NEXT: foo();
// CHECK-NEXT: #pragma omp target if(target: argc > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target if(C)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(tofrom: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(tofrom: a[0:10],i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(to: i) map(from: j)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(always,alloc: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(always,from: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(tofrom: always)
// CHECK-NEXT: {
// CHECK-NEXT: always++;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp target map(tofrom: always,i)
// CHECK-NEXT: {
// CHECK-NEXT: always++;
// CHECK-NEXT: i++;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp target nowait
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target depend(in : argc,argv[i:argc],a[:])
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target defaultmap(tofrom: scalar)
// CHECK-NEXT: foo()
// CHECK: template<> int tmain<int, 5>(int argc, int *argv) {
// CHECK-NEXT: int i, j, a[20]
// CHECK-NEXT: #pragma omp target
// CHECK-NEXT: foo();
// CHECK-NEXT: #pragma omp target if(target: argc > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target if(5)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(tofrom: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(tofrom: a[0:10],i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(to: i) map(from: j)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(always,alloc: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(always,from: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(tofrom: always)
// CHECK-NEXT: {
// CHECK-NEXT: always++;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp target map(tofrom: always,i)
// CHECK-NEXT: {
// CHECK-NEXT: always++;
// CHECK-NEXT: i++;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp target nowait
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target depend(in : argc,argv[i:argc],a[:])
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target defaultmap(tofrom: scalar)
// CHECK-NEXT: foo()
// CHECK: template<> char tmain<char, 1>(char argc, char *argv) {
// CHECK-NEXT: char i, j, a[20]
// CHECK-NEXT: #pragma omp target
// CHECK-NEXT: foo();
// CHECK-NEXT: #pragma omp target if(target: argc > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target if(1)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(tofrom: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(tofrom: a[0:10],i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(to: i) map(from: j)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(always,alloc: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(always,from: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target map(tofrom: always)
// CHECK-NEXT: {
// CHECK-NEXT: always++;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp target map(tofrom: always,i)
// CHECK-NEXT: {
// CHECK-NEXT: always++;
// CHECK-NEXT: i++;
// CHECK-NEXT: }
// CHECK-NEXT: #pragma omp target nowait
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target depend(in : argc,argv[i:argc],a[:])
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target defaultmap(tofrom: scalar)
// CHECK-NEXT: foo()
// CHECK-LABEL: int main(int argc, char **argv) {
int main (int argc, char **argv) {
int i, j, a[20], always;
// CHECK-NEXT: int i, j, a[20]
#pragma omp target
// CHECK-NEXT: #pragma omp target
foo();
// CHECK-NEXT: foo();
#pragma omp target if (argc > 0)
// CHECK-NEXT: #pragma omp target if(argc > 0)
foo();
// CHECK-NEXT: foo();
#pragma omp target map(i) if(argc>0)
// CHECK-NEXT: #pragma omp target map(tofrom: i) if(argc > 0)
foo();
// CHECK-NEXT: foo();
#pragma omp target map(i)
// CHECK-NEXT: #pragma omp target map(tofrom: i)
foo();
// CHECK-NEXT: foo();
#pragma omp target map(a[0:10], i)
// CHECK-NEXT: #pragma omp target map(tofrom: a[0:10],i)
foo();
// CHECK-NEXT: foo();
#pragma omp target map(to: i) map(from: j)
// CHECK-NEXT: #pragma omp target map(to: i) map(from: j)
foo();
// CHECK-NEXT: foo();
#pragma omp target map(always,alloc: i)
// CHECK-NEXT: #pragma omp target map(always,alloc: i)
foo();
// CHECK-NEXT: foo();
#pragma omp target map(always from: i)
// CHECK-NEXT: #pragma omp target map(always,from: i)
foo();
// CHECK-NEXT: foo();
#pragma omp target map(always)
// CHECK-NEXT: #pragma omp target map(tofrom: always)
{always++;}
// CHECK-NEXT: {
// CHECK-NEXT: always++;
// CHECK-NEXT: }
#pragma omp target map(always,i)
// CHECK-NEXT: #pragma omp target map(tofrom: always,i)
{always++;i++;}
// CHECK-NEXT: {
// CHECK-NEXT: always++;
// CHECK-NEXT: i++;
// CHECK-NEXT: }
#pragma omp target nowait
// CHECK-NEXT: #pragma omp target nowait
foo();
// CHECK-NEXT: foo();
#pragma omp target depend(in : argc, argv[i:argc], a[:])
// CHECK-NEXT: #pragma omp target depend(in : argc,argv[i:argc],a[:])
foo();
// CHECK-NEXT: foo();
#pragma omp target defaultmap(tofrom: scalar)
// CHECK-NEXT: #pragma omp target defaultmap(tofrom: scalar)
foo();
// CHECK-NEXT: foo();
return tmain<int, 5>(argc, &argc) + tmain<char, 1>(argv[0][0], argv[0]);
}
#endif
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