xref: /llvm-project/clang/test/OpenMP/nvptx_exceptions.cpp (revision e4d242768aefabc0091dd01fabecaffbc2b6984b)
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
foo(void)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
49