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| author | Gheorghe-Teodor Bercea <gheorghe-teod.bercea@ibm.com> | 2017-08-10 05:01:42 +0000 |
|---|---|---|
| committer | Gheorghe-Teodor Bercea <gheorghe-teod.bercea@ibm.com> | 2017-08-10 05:01:42 +0000 |
| commit | 3685dbaf4a6514f55565fd952312d143945a6d49 (patch) | |
| tree | 5f3eb9d318615b6995f1df1c1e2c7f16d2a021a9 /lib/Driver/ToolChains/Cuda.h | |
| parent | 442874b97b7d00e027d2e95398e6b04a220c8d66 (diff) | |
[OpenMP] Provide a default GPU arch that is supported by
the underlying hardware.
This fixes a bug triggered by diff: D29660
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310549 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Driver/ToolChains/Cuda.h')
| -rw-r--r-- | lib/Driver/ToolChains/Cuda.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Driver/ToolChains/Cuda.h b/lib/Driver/ToolChains/Cuda.h index 1e30aa7270..9b3d6d70cd 100644 --- a/lib/Driver/ToolChains/Cuda.h +++ b/lib/Driver/ToolChains/Cuda.h @@ -76,6 +76,17 @@ public: std::string getLibDeviceFile(StringRef Gpu) const { return LibDeviceMap.lookup(Gpu); } + /// \brief Get lowest available compute capability + /// for which a libdevice library exists. + std::string getLowestExistingArch() const { + std::string LibDeviceFile; + for (auto key : LibDeviceMap.keys()) { + LibDeviceFile = LibDeviceMap.lookup(key); + if (!LibDeviceFile.empty()) + return key; + } + llvm_unreachable("no libdevice exists."); + } }; namespace tools { |