7dcc97e7ac
With this patch compiler emits warning if it tries to make implicit instantiation of a template but cannot find the template definition. The warning can be suppressed by explicit instantiation declaration or by command line options -Wundefined-var-template and -Wundefined-func-template. The implementation follows the discussion of http://reviews.llvm.org/D12326. Differential Revision: http://reviews.llvm.org/D16396 llvm-svn: 266719
74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -triple x86_64-apple-darwin10.6.0 -ast-print %s | FileCheck %s
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// RUN: %clang_cc1 -fopenmp -triple x86_64-apple-darwin10.6.0 -x c++ -std=c++11 -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -triple x86_64-apple-darwin10.6.0 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print
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// RUN: %clang_cc1 -verify -fopenmp -triple x86_64-unknown-linux-gnu -ast-print %s | FileCheck %s
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// RUN: %clang_cc1 -fopenmp -fnoopenmp-use-tls -triple x86_64-unknown-linux-gnu -x c++ -std=c++11 -emit-pch -o %t %s
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// RUN: %clang_cc1 -fopenmp -fnoopenmp-use-tls -triple x86_64-unknown-linux-gnu -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print
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// expected-no-diagnostics
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// REQUIRES: x86-registered-target
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#ifndef HEADER
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#define HEADER
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struct St{
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int a;
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};
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struct St1{
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int a;
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static int b;
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// CHECK: static int b;
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#pragma omp threadprivate(b)
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// CHECK-NEXT: #pragma omp threadprivate(St1::b)
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} d;
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int a, b;
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// CHECK: int a;
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// CHECK: int b;
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#pragma omp threadprivate(a)
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#pragma omp threadprivate(a)
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// CHECK-NEXT: #pragma omp threadprivate(a)
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// CHECK-NEXT: #pragma omp threadprivate(a)
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#pragma omp threadprivate(d, b)
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// CHECK-NEXT: #pragma omp threadprivate(d,b)
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template <class T>
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struct ST {
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static T m;
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#pragma omp threadprivate(m)
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};
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template <class T> T foo() {
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static T v;
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#pragma omp threadprivate(v)
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v = ST<T>::m;
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return v;
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}
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//CHECK: template <class T = int> int foo() {
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//CHECK-NEXT: static int v;
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//CHECK-NEXT: #pragma omp threadprivate(v)
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//CHECK: template <class T> T foo() {
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//CHECK-NEXT: static T v;
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//CHECK-NEXT: #pragma omp threadprivate(v)
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namespace ns{
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int a;
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}
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// CHECK: namespace ns {
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// CHECK-NEXT: int a;
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// CHECK-NEXT: }
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#pragma omp threadprivate(ns::a)
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// CHECK-NEXT: #pragma omp threadprivate(ns::a)
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int main () {
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static int a;
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// CHECK: static int a;
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#pragma omp threadprivate(a)
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// CHECK-NEXT: #pragma omp threadprivate(a)
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a=2;
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return (foo<int>());
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}
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extern template int ST<int>::m;
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#endif
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