cbecfdfefe
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
180 lines
5.9 KiB
C++
180 lines
5.9 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -ast-print %s | FileCheck %s
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// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
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// RUN: %clang_cc1 -verify -fopenmp-simd -ast-print %s | FileCheck %s
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// RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp-simd -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
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// expected-no-diagnostics
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#ifndef HEADER
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#define HEADER
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void foo() {}
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struct S {
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S(): a(0) {}
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S(int v) : a(v) {}
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int a;
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typedef int type;
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};
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template <typename T>
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class S7 : public T {
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protected:
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T a;
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T &b;
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typename T::type c:12;
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typename T::type &d;
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S7() : a(0), b(a), c(0), d(a.a) {}
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public:
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S7(typename T::type v) : a(v), b(a), c(v), d(a.a) {
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#pragma omp for private(a) private(this->a) private(T::a)
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for (int k = 0; k < a.a; ++k)
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++this->a.a;
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#pragma omp for lastprivate(a) lastprivate(this->a) lastprivate(T::a)
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for (int k = 0; k < a.a; ++k)
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++this->a.a;
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#pragma omp for linear(val(c))
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for (int k = 0; k < a.a; ++k)
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++this->a.a;
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}
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S7 &operator=(S7 &s) {
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#pragma omp for private(a) private(this->a)
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for (int k = 0; k < s.a.a; ++k)
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++s.a.a;
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#pragma omp for lastprivate(a) lastprivate(this->a)
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for (int k = 0; k < s.a.a; ++k)
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++s.a.a;
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#pragma omp for linear(uval(this->b))
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for (int k = 0; k < s.a.a; ++k)
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++s.a.a;
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return *this;
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}
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};
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// CHECK: #pragma omp for private(this->a) private(this->a) private(T::a)
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// CHECK: #pragma omp for lastprivate(this->a) lastprivate(this->a) lastprivate(T::a)
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// CHECK: #pragma omp for linear(val(this->c))
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// CHECK: #pragma omp for private(this->a) private(this->a)
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// CHECK: #pragma omp for lastprivate(this->a) lastprivate(this->a)
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// CHECK: #pragma omp for linear(uval(this->b))
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// CHECK: #pragma omp for private(this->a) private(this->a) private(this->S::a)
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// CHECK: #pragma omp for lastprivate(this->a) lastprivate(this->a) lastprivate(this->S::a)
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// CHECK: #pragma omp for linear(val(this->c))
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class S8 : public S7<S> {
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S8() {}
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public:
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S8(int v) : S7<S>(v){
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#pragma omp for private(a) private(this->a) private(S7<S>::a)
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for (int k = 0; k < a.a; ++k)
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++this->a.a;
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#pragma omp for lastprivate(a) lastprivate(this->a) lastprivate(S7<S>::a)
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for (int k = 0; k < a.a; ++k)
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++this->a.a;
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#pragma omp for linear(ref(S7<S>::d))
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for (int k = 0; k < a.a; ++k)
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++this->a.a;
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}
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S8 &operator=(S8 &s) {
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#pragma omp for private(a) private(this->a)
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for (int k = 0; k < s.a.a; ++k)
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++s.a.a;
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#pragma omp for lastprivate(a) lastprivate(this->a)
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for (int k = 0; k < s.a.a; ++k)
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++s.a.a;
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#pragma omp for linear(this->c)
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for (int k = 0; k < s.a.a; ++k)
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++s.a.a;
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return *this;
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}
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};
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// CHECK: #pragma omp for private(this->a) private(this->a) private(this->S7<S>::a)
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// CHECK: #pragma omp for lastprivate(this->a) lastprivate(this->a) lastprivate(this->S7<S>::a)
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// CHECK: #pragma omp for linear(ref(this->S7<S>::d))
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// CHECK: #pragma omp for private(this->a) private(this->a)
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// CHECK: #pragma omp for lastprivate(this->a) lastprivate(this->a)
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// CHECK: #pragma omp for linear(this->c)
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template <class T, int N>
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T tmain(T argc) {
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T b = argc, c, d, e, f, g;
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static T a;
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// CHECK: static T a;
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#pragma omp for schedule(dynamic) linear(a)
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// CHECK-NEXT: #pragma omp for schedule(dynamic) linear(a)
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for (int i = 0; i < 2; ++i)
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a = 2;
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// CHECK-NEXT: for (int i = 0; i < 2; ++i)
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// CHECK-NEXT: a = 2;
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#pragma omp parallel
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#pragma omp for private(argc, b), firstprivate(c, d), lastprivate(d, f) collapse(N) schedule(static, N) ordered(N) nowait
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for (int i = 0; i < 2; ++i)
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for (int j = 0; j < 2; ++j)
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for (int j = 0; j < 2; ++j)
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for (int j = 0; j < 2; ++j)
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for (int j = 0; j < 2; ++j)
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for (int i = 0; i < 2; ++i)
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for (int j = 0; j < 2; ++j)
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for (int j = 0; j < 2; ++j)
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for (int j = 0; j < 2; ++j)
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for (int j = 0; j < 2; ++j)
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foo();
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// CHECK-NEXT: #pragma omp parallel
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// CHECK-NEXT: #pragma omp for private(argc,b) firstprivate(c,d) lastprivate(d,f) collapse(N) schedule(static, N) ordered(N) nowait
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// CHECK-NEXT: for (int i = 0; i < 2; ++i)
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// CHECK-NEXT: for (int j = 0; j < 2; ++j)
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// CHECK-NEXT: for (int j = 0; j < 2; ++j)
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// CHECK-NEXT: for (int j = 0; j < 2; ++j)
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// CHECK-NEXT: for (int j = 0; j < 2; ++j)
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// CHECK-NEXT: for (int i = 0; i < 2; ++i)
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// CHECK-NEXT: for (int j = 0; j < 2; ++j)
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// CHECK-NEXT: for (int j = 0; j < 2; ++j)
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// CHECK-NEXT: for (int j = 0; j < 2; ++j)
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// CHECK-NEXT: for (int j = 0; j < 2; ++j)
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// CHECK-NEXT: foo();
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return T();
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}
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int main(int argc, char **argv) {
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// CHECK: int main(int argc, char **argv) {
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int b = argc, c, d, e, f, g;
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static int a;
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// CHECK: static int a;
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#pragma omp for schedule(guided, argc)
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// CHECK-NEXT: #pragma omp for schedule(guided, argc)
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for (int i = 0; i < 2; ++i)
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a = 2;
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// CHECK-NEXT: for (int i = 0; i < 2; ++i)
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// CHECK-NEXT: a = 2;
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#pragma omp parallel
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#pragma omp for private(argc, b), firstprivate(argv, c), lastprivate(d, f) collapse(2) schedule(auto) ordered nowait linear(g:-1)
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for (int i = 0; i < 10; ++i)
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for (int j = 0; j < 10; ++j)
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foo();
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// CHECK-NEXT: #pragma omp parallel
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// CHECK-NEXT: #pragma omp for private(argc,b) firstprivate(argv,c) lastprivate(d,f) collapse(2) schedule(auto) ordered nowait linear(g: -1)
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// CHECK-NEXT: for (int i = 0; i < 10; ++i)
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// CHECK-NEXT: for (int j = 0; j < 10; ++j)
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// CHECK-NEXT: foo();
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char buf[9] = "01234567";
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char *p, *q;
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#pragma omp parallel
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#pragma omp for
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for (p = buf; p < &buf[8]; p++)
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for (q = &buf[0]; q <= buf + 7; q++)
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foo();
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// CHECK: #pragma omp parallel
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// CHECK-NEXT: #pragma omp for{{$}}
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// CHECK-NEXT: for (p = buf; p < &buf[8]; p++)
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// CHECK-NEXT: for (q = &buf[0]; q <= buf + 7; q++)
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// CHECK-NEXT: foo();
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return (tmain<int, 5>(argc) + tmain<char, 1>(argv[0][0]));
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}
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#endif
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