[PATCH] D155775: [HIP][Clang][Driver][RFC] Add driver support for C++ Parallel Algorithm Offload

[Fangrui Song via Phabricator via cfe-commits]

MaskRay accepted this revision.
MaskRay added inline comments.


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Comment at: clang/include/clang/Driver/Options.td:1281
+    "rocThrust path, required by the HIP Standard Parallel Algorithm "
+    "Acceleration library, used to implicitly include the rocThrust library.">;
+def hipstdpar_prim_path_EQ : Joined<["--"], "hipstdpar-prim-path=">,
----------------
The convention is to omit the trailing dot.


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Comment at: clang/lib/Driver/ToolChains/AMDGPU.cpp:340
+  HasRocThrustLibrary = !HIPRocThrustPathArg.empty() &&
+                        D.getVFS().exists(HIPRocThrustPathArg + "/thrust");
+  HIPRocPrimPathArg =
----------------
Prefer `concat` so that if `HIPRocThrustPathArg` ends with `/`, we will not get `...//thrust`.


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Comment at: clang/lib/Driver/ToolChains/Clang.cpp:6566
                       options::OPT_fno_gpu_allow_device_init);
+    if (Args.hasFlag(options::OPT_fgpu_allow_device_init,
+                     options::OPT_fno_gpu_allow_device_init, false))
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Note that I have refactored the code to use `addOptInFlag`. You need to remove the repeated OPT_fgpu_allow_device_init checking.


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  https://reviews.llvm.org/D155775/new/

https://reviews.llvm.org/D155775