llvm-project/clang/test/SemaCUDA/function-target-disabled-check.cu
Eli Bendersky 4bdc50eccb Create a frontend flag to disable CUDA cross-target call checks
For CUDA source, Sema checks that the targets of call expressions make sense
(e.g. a host function can't call a device function).

Adding a flag that lets us skip this check. Motivation: for source-to-source
translation tools that have to accept code that's not strictly kosher CUDA but
is still accepted by nvcc. The source-to-source translation tool can then fix
the code and leave calls that are semantically valid for the actual compilation
stage.

Differential Revision: http://reviews.llvm.org/D9036

llvm-svn: 235049
2015-04-15 22:27:06 +00:00

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// Test that we can disable cross-target call checks in Sema with the
// -fcuda-disable-target-call-checks flag. Without this flag we'd get a bunch
// of errors here, since there are invalid cross-target calls present.
// RUN: %clang_cc1 -fsyntax-only -verify %s -fcuda-disable-target-call-checks
// RUN: %clang_cc1 -fsyntax-only -fcuda-is-device -verify %s -fcuda-disable-target-call-checks
// expected-no-diagnostics
#define __device__ __attribute__((device))
#define __global__ __attribute__((global))
#define __host__ __attribute__((host))
__attribute__((host)) void h1();
__attribute__((device)) void d1() {
h1();
}
__attribute__((host)) void h2() {
d1();
}
__attribute__((global)) void g1() {
h2();
}