tianshilei1992 marked an inline comment as done.
tianshilei1992 added inline comments.
================
Comment at: clang/test/OpenMP/atomic_ast_print.cpp:40
+#ifdef OMP51
+// omp51-error@+1 2 {{atomic compare is not supported for now}}
+#pragma omp atomic compare
----------------
ABataev wrote:
> tianshilei1992 wrote:
> > ABataev wrote:
> > > Try to add `-fsyntax-only` in RUN to avoid error message in the test
> > Adding `-fsyntax-only` will not print the AST, just the error message.
> > ```
> > ➜ clang -cc1 -x c++ -fopenmp -fopenmp-version=51 -ast-print atomic.cpp
> > atomic.cpp:12:20: error: atomic compare is not supported for now
> > #pragma omp atomic compare
> > ^
> > class C {
> > int x;
> > public:
> > int &val() {
> > return this->x;
> > }
> > };
> > void compare() {
> > C x;
> > C e;
> > C d;
> > #pragma omp atomic compare
> > if (x.val() == e.val())
> > x.val() = d.val();
> > }
> > 1 error generated.
> > ➜ clang -cc1 -x c++ -fopenmp -fopenmp-version=51 -ast-print -fsyntax-only
> > atomic.cpp
> > atomic.cpp:12:20: error: atomic compare is not supported for now
> > #pragma omp atomic compare
> > ^
> > 1 error generated.
> > ```
> Ah, yes. Can you move the error message to codegen from Sema to avoid all
> these problems?
Do we support error message in code gen? I didn't see similar code in
`clang/lib/CodeGen/CGStmtOpenMP.cpp`.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D116637/new/
https://reviews.llvm.org/D116637
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