Add test cases for exception handling constructs in dead code for GCN, nvptx target and OpenMP 'target' offloading [PR118794]
PR target/118794 gcc/testsuite/ * g++.target/gcn/exceptions-pr118794-1.C: New. * g++.target/nvptx/exceptions-pr118794-1.C: Likewise. libgomp/ * testsuite/libgomp.c++/target-exceptions-pr118794-1.C: New. * testsuite/libgomp.c++/target-exceptions-pr118794-1-offload-sorry-GCN.C: Likewise. * testsuite/libgomp.c++/target-exceptions-pr118794-1-offload-sorry-nvptx.C: Likewise.
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Thomas Schwinge
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5 changed files with 136 additions and 0 deletions
16
gcc/testsuite/g++.target/gcn/exceptions-pr118794-1.C
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gcc/testsuite/g++.target/gcn/exceptions-pr118794-1.C
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/* Exception handling constructs in dead code. */
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/* Via the magic string "-std=*++" indicate that testing one (the default) C++ standard is sufficient. */
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/* { dg-additional-options -fexceptions } */
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/* { dg-additional-options -O0 } */
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/* { dg-additional-options -fdump-tree-optimized-raw } */
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#include "../../../../libgomp/testsuite/libgomp.c++/target-exceptions-pr118794-1.C"
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/* In this specific C++ arrangement, distilled from PR118794, GCC synthesizes
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'__builtin_eh_pointer', '__builtin_unwind_resume' calls as dead code in 'f':
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_eh_pointer, } 1 optimized } }
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_unwind_resume, } 1 optimized } }
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Given '-O0', compilation fails:
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{ dg-regexp {[^\r\n]+: In function 'void f\(\)':[\r\n]+(?:[^\r\n]+: sorry, unimplemented: exception handling not supported[\r\n]+)+} }
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(Note, using 'dg-regexp' instead of 'dg-message', as the former runs before the auto-mark-UNSUPPORTED.) */
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16
gcc/testsuite/g++.target/nvptx/exceptions-pr118794-1.C
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gcc/testsuite/g++.target/nvptx/exceptions-pr118794-1.C
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/* Exception handling constructs in dead code. */
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/* Via the magic string "-std=*++" indicate that testing one (the default) C++ standard is sufficient. */
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/* { dg-additional-options -fexceptions } */
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/* { dg-additional-options -O0 } */
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/* { dg-additional-options -fdump-tree-optimized-raw } */
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#include "../../../../libgomp/testsuite/libgomp.c++/target-exceptions-pr118794-1.C"
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/* In this specific C++ arrangement, distilled from PR118794, GCC synthesizes
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'__builtin_eh_pointer', '__builtin_unwind_resume' calls as dead code in 'f':
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_eh_pointer, } 1 optimized } }
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_unwind_resume, } 1 optimized } }
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Given '-O0', compilation fails:
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{ dg-regexp {[^\r\n]+: In function 'void f\(\)':[\r\n]+(?:[^\r\n]+: sorry, unimplemented: exception handling not supported[\r\n]+)+} }
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(Note, using 'dg-regexp' instead of 'dg-message', as the former runs before the auto-mark-UNSUPPORTED.) */
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/* Exception handling constructs in dead code. */
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/* As this test case involves an expected offload compilation failure, we have to handle each offload target individually.
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{ dg-do link { target offload_target_amdgcn } }
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{ dg-additional-options -foffload=amdgcn-amdhsa } */
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/* { dg-require-effective-target exceptions }
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{ dg-additional-options -fexceptions } */
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/* { dg-additional-options -O0 } */
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/* { dg-additional-options -fdump-tree-optimized-raw }
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{ dg-additional-options -foffload-options=-fdump-tree-optimized-raw } */
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#include "target-exceptions-pr118794-1.C"
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/* In this specific C++ arrangement, distilled from PR118794, GCC synthesizes
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'__builtin_eh_pointer', '__builtin_unwind_resume' calls as dead code in 'f':
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_eh_pointer, } 1 optimized } }
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_unwind_resume, } 1 optimized } }
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{ dg-final { only_for_offload_target amdgcn-amdhsa scan-offload-tree-dump-times {gimple_call <__builtin_eh_pointer, } 1 optimized } }
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{ dg-final { only_for_offload_target amdgcn-amdhsa scan-offload-tree-dump-times {gimple_call <__builtin_unwind_resume, } 1 optimized } }
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Given '-O0', offload compilation fails:
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{ dg-regexp {[^\r\n]+: In function 'f':[\r\n]+(?:[^\r\n]+: sorry, unimplemented: exception handling not supported[\r\n]+)+} }
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(Note, using 'dg-regexp' instead of 'dg-message', as the former runs before the auto-mark-UNSUPPORTED.)
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{ dg-excess-errors {'mkoffload' failure etc.} } */
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/* Exception handling constructs in dead code. */
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/* As this test case involves an expected offload compilation failure, we have to handle each offload target individually.
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{ dg-do link { target offload_target_nvptx } }
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{ dg-additional-options -foffload=nvptx-none } */
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/* { dg-require-effective-target exceptions }
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{ dg-additional-options -fexceptions } */
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/* { dg-additional-options -O0 } */
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/* { dg-additional-options -fdump-tree-optimized-raw }
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{ dg-additional-options -foffload-options=-fdump-tree-optimized-raw } */
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#include "target-exceptions-pr118794-1.C"
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/* In this specific C++ arrangement, distilled from PR118794, GCC synthesizes
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'__builtin_eh_pointer', '__builtin_unwind_resume' calls as dead code in 'f':
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_eh_pointer, } 1 optimized } }
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_unwind_resume, } 1 optimized } }
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{ dg-final { only_for_offload_target nvptx-none scan-offload-tree-dump-times {gimple_call <__builtin_eh_pointer, } 1 optimized } }
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{ dg-final { only_for_offload_target nvptx-none scan-offload-tree-dump-times {gimple_call <__builtin_unwind_resume, } 1 optimized } }
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Given '-O0', offload compilation fails:
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{ dg-regexp {[^\r\n]+: In function 'f':[\r\n]+(?:[^\r\n]+: sorry, unimplemented: exception handling not supported[\r\n]+)+} }
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(Note, using 'dg-regexp' instead of 'dg-message', as the former runs before the auto-mark-UNSUPPORTED.)
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{ dg-excess-errors {'mkoffload' failure etc.} } */
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58
libgomp/testsuite/libgomp.c++/target-exceptions-pr118794-1.C
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libgomp/testsuite/libgomp.c++/target-exceptions-pr118794-1.C
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/* Exception handling constructs in dead code. */
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/* { dg-require-effective-target exceptions }
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{ dg-additional-options -fexceptions } */
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/* { dg-additional-options -foffload=disable }
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Offloading compilation not yet supported; see
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'target-exceptions-pr118794-1-offload-sorry-GCN.C',
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'target-exceptions-pr118794-1-offload-sorry-nvptx.C'. */
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/* { dg-additional-options -O0 } */
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/* { dg-additional-options -fdump-tree-optimized-raw } */
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/* See also '../../../gcc/testsuite/g++.target/gcn/exceptions-pr118794-1.C',
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'../../../gcc/testsuite/g++.target/nvptx/exceptions-pr118794-1.C'. */
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#pragma omp begin declare target
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bool ok = false;
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template <typename T>
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struct C
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{
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C()
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{
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ok = true;
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}
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C(int) {};
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~C() {};
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__attribute__((noipa))
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void m()
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{
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C c;
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}
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};
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inline void f()
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{
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C<double> c(1);
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c.m();
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}
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#pragma omp end declare target
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int main()
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{
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#pragma omp target
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{
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f();
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}
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#pragma omp target update from(ok)
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if (!ok)
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__builtin_abort();
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}
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/* In this specific C++ arrangement, distilled from PR118794, GCC synthesizes
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'__builtin_eh_pointer', '__builtin_unwind_resume' calls as dead code in 'f':
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_eh_pointer, } 1 optimized } }
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{ dg-final { scan-tree-dump-times {gimple_call <__builtin_unwind_resume, } 1 optimized } } */
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