clang/test/OpenMP/nvptx_exceptions.cpp

   1 // REQUIRES: nvptx-registered-target, staticanalyzer
   2
   3 /**
   4  * The first four lines test that a warning is produced when enabling
   5  * -Wopenmp-target-exception no matter what combination of -fexceptions and
   6  * -fcxx-exceptions are set, as we want OpenMP to always allow exceptions in the
   7  * target region but emit a warning instead.
   8 */
   9
  10 // RUN: %clang_cc1 -fopenmp -triple nvptx64 -fopenmp-is-target-device -fcxx-exceptions -fexceptions %s -verify=with -Wopenmp-target-exception -analyze
  11 // RUN: %clang_cc1 -fopenmp -triple nvptx64 -fopenmp-is-target-device -fcxx-exceptions -fexceptions %s -verify=with -Wopenmp-target-exception -analyze
  12 // RUN: %clang_cc1 -fopenmp -triple nvptx64 -fopenmp-is-target-device -fexceptions %s -verify=with -Wopenmp-target-exception -analyze
  13 // RUN: %clang_cc1 -fopenmp -triple nvptx64 -fopenmp-is-target-device %s -verify=with -Wopenmp-target-exception -analyze
  14
  15 /**
  16  * The following four lines test that no warning is emitted when providing
  17  * -Wno-openmp-target-exception no matter the combination of -fexceptions and
  18  * -fcxx-exceptions.
  19 */
  20
  21 // RUN: %clang_cc1 -fopenmp -triple nvptx64 -fopenmp-is-target-device -fcxx-exceptions -fexceptions %s -verify=without -Wno-openmp-target-exception -analyze
  22 // RUN: %clang_cc1 -fopenmp -triple nvptx64 -fopenmp-is-target-device -fcxx-exceptions %s -verify=without -Wno-openmp-target-exception -analyze
  23 // RUN: %clang_cc1 -fopenmp -triple nvptx64 -fopenmp-is-target-device -fexceptions %s -verify=without -Wno-openmp-target-exception -analyze
  24 // RUN: %clang_cc1 -fopenmp -triple nvptx64 -fopenmp-is-target-device %s -verify=without -Wno-openmp-target-exception -analyze
  25
  26 /**
  27  * Finally we should test that we only ignore exceptions in the OpenMP
  28  * offloading tool-chain
  29 */
  30
  31 // RUN: %clang_cc1 -triple nvptx64 %s -emit-llvm-only -verify=noexceptions
  32
  33 // noexceptions-error@39 {{cannot use 'try' with exceptions disabled}}
  34 // noexceptions-error@40 {{cannot use 'throw' with exceptions disabled}}
  35
  36 #pragma omp declare target
  37 int foo(void) {
  38         int error = -1;
  39         try { // with-warning {{target 'nvptx64' does not support exception handling; 'catch' block is ignored}}
  40                 throw 404; // with-warning {{target 'nvptx64' does not support exception handling; 'throw' is assumed to be never reached}}
  41         }
  42         catch (int e){
  43                 error = e;
  44         }
  45         return error;
  46 }
  47 #pragma omp end declare target
  48 // without-no-diagnostics