diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/Driver/ToolChains/Clang.cpp | 6 | ||||
| -rw-r--r-- | clang/test/Driver/cuda-no-pgo-or-coverage.cu | 34 |
2 files changed, 39 insertions, 1 deletions
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index f30782d8bf8..1741517bffb 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -3625,7 +3625,11 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, options::OPT_finstrument_function_entry_bare)) A->render(Args, CmdArgs); - addPGOAndCoverageFlags(C, D, Output, Args, CmdArgs); + // NVPTX doesn't support PGO or coverage. There's no runtime support for + // sampling, overhead of call arc collection is way too high and there's no + // way to collect the output. + if (!Triple.isNVPTX()) + addPGOAndCoverageFlags(C, D, Output, Args, CmdArgs); if (auto *ABICompatArg = Args.getLastArg(options::OPT_fclang_abi_compat_EQ)) ABICompatArg->render(Args, CmdArgs); diff --git a/clang/test/Driver/cuda-no-pgo-or-coverage.cu b/clang/test/Driver/cuda-no-pgo-or-coverage.cu new file mode 100644 index 00000000000..a2cb610f752 --- /dev/null +++ b/clang/test/Driver/cuda-no-pgo-or-coverage.cu @@ -0,0 +1,34 @@ +// Check that profiling/coverage arguments doen't get passed down to device-side +// compilation. +// +// REQUIRES: clang-driver +// +// XRUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=sm_20 \ +// XRUN: -fprofile-generate %s 2>&1 | \ +// XRUN: FileCheck --check-prefixes=CHECK,PROF %s +// +// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=sm_20 \ +// RUN: -fprofile-instr-generate %s 2>&1 | \ +// RUN: FileCheck --check-prefixes=CHECK,PROF %s +// +// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=sm_20 \ +// RUN: -coverage %s 2>&1 | \ +// RUN: FileCheck --check-prefixes=CHECK,GCOV %s +// +// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=sm_20 \ +// RUN: -ftest-coverage %s 2>&1 | \ +// RUN: FileCheck --check-prefixes=CHECK,GCOV %s +// +// RUN: %clang -### -target x86_64-linux-gnu -c --cuda-gpu-arch=sm_20 \ +// RUN: -fprofile-instr-generate -fcoverage-mapping %s 2>&1 | \ +// RUN: FileCheck --check-prefixes=CHECK,PROF,GCOV %s +// +// +// CHECK-NOT: error: unsupported option '-fprofile +// CHECK-NOT: error: invalid argument +// CHECK-DAG: "-fcuda-is-device" +// CHECK-NOT: "-f{{[^"]*coverage.*}}" +// CHECK-NOT: "-fprofile{{[^"]*}}" +// CHECK: "-triple" "x86_64--linux-gnu" +// PROF-DAG: "-fprofile{{.*}}" +// GCOV-DAG: "-f{{(coverage|emit-coverage).*}}" |
