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[CUDA] Add --no-cuda-noopt-debug, which disables --cuda-noopt-debug. 

Reviewers: tra

Subscribers: cfe-commits, jhen

Differential Revision: http://reviews.llvm.org/D19251

llvm-svn: 266708
This commit is contained in:
Justin Lebar 2016-04-19 02:27:11 +00:00
parent dc3c50434e
commit b41f33cf02
3 changed files with 8 additions and 1 deletions
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1
clang/include/clang/Driver/Options.td
View File

@ -386,6 +386,7 @@ def cuda_gpu_arch_EQ : Joined<["--"], "cuda-gpu-arch=">, Flags<[DriverOption]>,
HelpText<"CUDA GPU architecture (e.g. sm_35). May be specified more than once.">;
def cuda_noopt_device_debug : Flag<["--"], "cuda-noopt-device-debug">,
HelpText<"Enable device-side debug info generation. Disables ptxas optimizations.">;
def no_cuda_noopt_device_debug : Flag<["--"], "no-cuda-noopt-device-debug">;
def cuda_path_EQ : Joined<["--"], "cuda-path=">, Group<i_Group>,
HelpText<"CUDA installation path">;
def fcuda_flush_denormals_to_zero : Flag<["-"], "fcuda-flush-denormals-to-zero">,

3
clang/lib/Driver/Tools.cpp
View File

@ -10956,7 +10956,8 @@ void NVPTX::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
ArgStringList CmdArgs;
CmdArgs.push_back(TC.getTriple().isArch64Bit() ? "-m64" : "-m32");
if (Args.getLastArg(options::OPT_cuda_noopt_device_debug)) {
if (Args.hasFlag(options::OPT_cuda_noopt_device_debug,
options::OPT_no_cuda_noopt_device_debug, false)) {
// ptxas does not accept -g option if optimization is enabled, so
// we ignore the compiler's -O* options if we want debug info.
CmdArgs.push_back("-g");

5
clang/test/Driver/cuda-external-tools.cu
View File

@ -22,6 +22,11 @@
// RUN: %clang -### -target x86_64-linux-gnu --cuda-noopt-device-debug -O2 -c %s 2>&1 \
// RUN: | FileCheck -check-prefix ARCH64 -check-prefix SM20 -check-prefix DBG %s
// --no-cuda-noopt-device-debug overrides --cuda-noopt-device-debug.
// RUN: %clang -### -target x86_64-linux-gnu --cuda-noopt-debug \
// RUN: --no-cuda-noopt-debug -O2 -c %s 2>&1 \
// RUN: | FileCheck -check-prefix ARCH64 -check-prefix SM20 -check-prefix OPT2 %s
// Regular compile without -O. This should result in us passing -O0 to ptxas.
// RUN: %clang -### -target x86_64-linux-gnu -c %s 2>&1 \
// RUN: | FileCheck -check-prefix ARCH64 -check-prefix SM20 -check-prefix OPT0 %s