tra created this revision.
tra added reviewers: echristo, samsonov.
tra added a subscriber: cfe-commits.
http://reviews.llvm.org/D11575
Files:
lib/Driver/Driver.cpp
test/Driver/cuda-options.cu
Index: test/Driver/cuda-options.cu
===================================================================
--- test/Driver/cuda-options.cu
+++ test/Driver/cuda-options.cu
@@ -69,6 +69,20 @@
// Make sure we don't link anything.
// RUN: -check-prefix CUDA-NL %s
+// --cuda-host-only should not ever 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 warnging 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'
Index: lib/Driver/Driver.cpp
===================================================================
--- lib/Driver/Driver.cpp
+++ lib/Driver/Driver.cpp
@@ -1490,6 +1490,10 @@
// 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>
Index: test/Driver/cuda-options.cu
===================================================================
--- test/Driver/cuda-options.cu
+++ test/Driver/cuda-options.cu
@@ -69,6 +69,20 @@
// Make sure we don't link anything.
// RUN: -check-prefix CUDA-NL %s
+// --cuda-host-only should not ever 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 warnging 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'
Index: lib/Driver/Driver.cpp
===================================================================
--- lib/Driver/Driver.cpp
+++ lib/Driver/Driver.cpp
@@ -1490,6 +1490,10 @@
// 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>
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