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cbecfdfefe
teak-llvm/clang/test/OpenMP/target_parallel_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 <class T>
struct S {
operator T() {return T();}
static T TS;
#pragma omp threadprivate(TS)
};
// CHECK: template <class T> struct S {
// CHECK: static T TS;
// CHECK-NEXT: #pragma omp threadprivate(S::TS)
// CHECK: };
// CHECK: template<> struct S<int> {
// CHECK: static int TS;
// CHECK-NEXT: #pragma omp threadprivate(S<int>::TS)
// CHECK-NEXT: }
// CHECK: template<> struct S<char> {
// CHECK: static char TS;
// CHECK-NEXT: #pragma omp threadprivate(S<char>::TS)
// CHECK-NEXT: }
template <typename T, int C>
T tmain(T argc, T *argv) {
T b = argc, c, d, e, f, g;
static T h;
S<T> s;
T arr[C][10], arr1[C];
T i, j, a[20];
#pragma omp target parallel
h=2;
#pragma omp target parallel default(none), private(argc,b) firstprivate(argv) shared (d) if (parallel:argc > 0) num_threads(C) proc_bind(master) reduction(+:c, arr1[argc]) reduction(max:e, arr[:C][0:10])
foo();
#pragma omp target parallel if (C) num_threads(s) proc_bind(close) reduction(^:e, f, arr[0:C][:argc]) reduction(&& : g)
foo();
#pragma omp target parallel if (target:argc > 0)
foo();
#pragma omp target parallel if (parallel:argc > 0)
foo();
#pragma omp target parallel if (C)
foo();
#pragma omp target parallel map(i)
foo();
#pragma omp target parallel map(a[0:10], i)
foo();
#pragma omp target parallel map(to: i) map(from: j)
foo();
#pragma omp target parallel map(always,alloc: i)
foo();
#pragma omp target parallel nowait
foo();
#pragma omp target parallel depend(in : argc, argv[i:argc], a[:])
foo();
#pragma omp target parallel defaultmap(tofrom: scalar)
foo();
return 0;
}
// CHECK: template <typename T, int C> T tmain(T argc, T *argv) {
// CHECK-NEXT: T b = argc, c, d, e, f, g;
// CHECK-NEXT: static T h;
// CHECK-NEXT: S<T> s;
// CHECK-NEXT: T arr[C][10], arr1[C];
// CHECK-NEXT: T i, j, a[20]
// CHECK-NEXT: #pragma omp target parallel{{$}}
// CHECK-NEXT: h = 2;
// CHECK-NEXT: #pragma omp target parallel default(none) private(argc,b) firstprivate(argv) shared(d) if(parallel: argc > 0) num_threads(C) proc_bind(master) reduction(+: c,arr1[argc]) reduction(max: e,arr[:C][0:10])
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(C) num_threads(s) proc_bind(close) reduction(^: e,f,arr[0:C][:argc]) reduction(&&: g)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(target: argc > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(parallel: argc > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(C)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(tofrom: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(tofrom: a[0:10],i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(to: i) map(from: j)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(always,alloc: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel nowait
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel depend(in : argc,argv[i:argc],a[:])
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel defaultmap(tofrom: scalar)
// CHECK-NEXT: foo()
// CHECK: template<> int tmain<int, 5>(int argc, int *argv) {
// CHECK-NEXT: int b = argc, c, d, e, f, g;
// CHECK-NEXT: static int h;
// CHECK-NEXT: S<int> s;
// CHECK-NEXT: int arr[5][10], arr1[5];
// CHECK-NEXT: int i, j, a[20]
// CHECK-NEXT: #pragma omp target parallel
// CHECK-NEXT: h = 2;
// CHECK-NEXT: #pragma omp target parallel default(none) private(argc,b) firstprivate(argv) shared(d) if(parallel: argc > 0) num_threads(5) proc_bind(master) reduction(+: c,arr1[argc]) reduction(max: e,arr[:5][0:10])
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(5) num_threads(s) proc_bind(close) reduction(^: e,f,arr[0:5][:argc]) reduction(&&: g)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(target: argc > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(parallel: argc > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(5)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(tofrom: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(tofrom: a[0:10],i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(to: i) map(from: j)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(always,alloc: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel nowait
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel depend(in : argc,argv[i:argc],a[:])
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel defaultmap(tofrom: scalar)
// CHECK-NEXT: foo()
// CHECK: template<> char tmain<char, 1>(char argc, char *argv) {
// CHECK-NEXT: char b = argc, c, d, e, f, g;
// CHECK-NEXT: static char h;
// CHECK-NEXT: S<char> s;
// CHECK-NEXT: char arr[1][10], arr1[1];
// CHECK-NEXT: char i, j, a[20]
// CHECK-NEXT: #pragma omp target parallel
// CHECK-NEXT: h = 2;
// CHECK-NEXT: #pragma omp target parallel default(none) private(argc,b) firstprivate(argv) shared(d) if(parallel: argc > 0) num_threads(1) proc_bind(master) reduction(+: c,arr1[argc]) reduction(max: e,arr[:1][0:10])
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(1) num_threads(s) proc_bind(close) reduction(^: e,f,arr[0:1][:argc]) reduction(&&: g)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(target: argc > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(parallel: argc > 0)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel if(1)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(tofrom: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(tofrom: a[0:10],i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(to: i) map(from: j)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel map(always,alloc: i)
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel nowait
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel depend(in : argc,argv[i:argc],a[:])
// CHECK-NEXT: foo()
// CHECK-NEXT: #pragma omp target parallel 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];
// CHECK-NEXT: int i, j, a[20]
#pragma omp target parallel
// CHECK-NEXT: #pragma omp target parallel
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel if (argc > 0)
// CHECK-NEXT: #pragma omp target parallel if(argc > 0)
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel if (target: argc > 0)
// CHECK-NEXT: #pragma omp target parallel if(target: argc > 0)
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel if (parallel: argc > 0)
// CHECK-NEXT: #pragma omp target parallel if(parallel: argc > 0)
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel map(i) if(argc>0)
// CHECK-NEXT: #pragma omp target parallel map(tofrom: i) if(argc > 0)
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel map(i)
// CHECK-NEXT: #pragma omp target parallel map(tofrom: i)
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel map(a[0:10], i)
// CHECK-NEXT: #pragma omp target parallel map(tofrom: a[0:10],i)
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel map(to: i) map(from: j)
// CHECK-NEXT: #pragma omp target parallel map(to: i) map(from: j)
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel map(always,alloc: i)
// CHECK-NEXT: #pragma omp target parallel map(always,alloc: i)
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel nowait
// CHECK-NEXT: #pragma omp target parallel nowait
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel depend(in : argc, argv[i:argc], a[:])
// CHECK-NEXT: #pragma omp target parallel depend(in : argc,argv[i:argc],a[:])
foo();
// CHECK-NEXT: foo();
#pragma omp target parallel defaultmap(tofrom: scalar)
// CHECK-NEXT: #pragma omp target parallel defaultmap(tofrom: scalar)
foo();
// CHECK-NEXT: foo();
return tmain<int, 5>(argc, &argc) + tmain<char, 1>(argv[0][0], argv[0]);
}
extern template int S<int>::TS;
extern template char S<char>::TS;
#endif
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