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Silence unused argument warning for --cuda-host-only. 

Differential Revision: http://reviews.llvm.org/D11575

llvm-svn: 243479
This commit is contained in:
Artem Belevich 2015-07-28 21:01:30 +00:00
parent 4242f41d8a
commit baae093e49
2 changed files with 22 additions and 0 deletions
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4
clang/lib/Driver/Driver.cpp
View File

@ -1490,6 +1490,10 @@ void Driver::BuildActions(const ToolChain &TC, DerivedArgList &Args,
// Claim ignored clang-cl options.
Args.ClaimAllArgs(options::OPT_cl_ignored_Group);
// Claim --cuda-host-only arg which may be passed to non-CUDA
// compilations and should not trigger warnings there.
Args.ClaimAllArgs(options::OPT_cuda_host_only);
}
std::unique_ptr<Action>

18
clang/test/Driver/cuda-options.cu
View File

@ -69,6 +69,20 @@
// Make sure we don't link anything.
// RUN: -check-prefix CUDA-NL %s
// --cuda-host-only should never trigger unused arg warning.
// RUN: %clang -### -target x86_64-linux-gnu --cuda-host-only -c %s 2>&1 | \
// RUN: FileCheck -check-prefix CUDA-NO-UNUSED-CHO %s
// RUN: %clang -### -target x86_64-linux-gnu --cuda-host-only -x c -c %s 2>&1 | \
// RUN: FileCheck -check-prefix CUDA-NO-UNUSED-CHO %s
// --cuda-device-only should not produce warning compiling CUDA files
// RUN: %clang -### -target x86_64-linux-gnu --cuda-device-only -c %s 2>&1 | \
// RUN: FileCheck -check-prefix CUDA-NO-UNUSED-CDO %s
// --cuda-device-only should warn during non-CUDA compilation.
// RUN: %clang -### -target x86_64-linux-gnu --cuda-device-only -x c -c %s 2>&1 | \
// RUN: FileCheck -check-prefix CUDA-UNUSED-CDO %s
// Match device-side compilation
// CUDA-D1: "-cc1" "-triple" "nvptx{{(64)?}}-nvidia-cuda"
// CUDA-D1-SAME: "-fcuda-is-device"
@ -109,3 +123,7 @@
// Match no linker
// CUDA-NL-NOT: "{{.*}}{{ld|link}}{{(.exe)?}}"
// CUDA-NO-UNUSED-CHO-NOT: warning: argument unused during compilation: '--cuda-host-only'
// CUDA-UNUSED-CDO: warning: argument unused during compilation: '--cuda-device-only'
// CUDA-NO-UNUSED-CDO-NOT: warning: argument unused during compilation: '--cuda-device-only'