[PATCH] D74048: [SYCL][Driver] Add clang driver option to enable SYCL compilation mode

[Alexey Bader via Phabricator via cfe-commits]

bader created this revision.
bader added a reviewer: ABataev.
Herald added subscribers: cfe-commits, Anastasia, ebevhan.
Herald added a project: clang.

As a first step this implementation enables compilation of the offload
code.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D74048

Files:
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/sycl.c


Index: clang/test/Driver/sycl.c
===================================================================
--- /dev/null
+++ clang/test/Driver/sycl.c
@@ -0,0 +1,5 @@
+// RUN: %clang -### -fsycl -c %s 2>&1 | FileCheck %s --check-prefix=DEFAULT
+// RUN: %clang -### -fsycl %s 2>&1 | FileCheck %s --check-prefix=DEFAULT
+// RUN: %clangxx -### -fsycl %s 2>&1 | FileCheck %s --check-prefix=DEFAULT
+
+// DEFAULT: "-fsycl-is-device"
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -4010,6 +4010,11 @@
     CmdArgs.push_back(Args.MakeArgString(NormalizedTriple));
   }
 
+  bool IsSYCL = Args.hasArg(options::OPT_fsycl);
+  if (IsSYCL) {
+    CmdArgs.push_back("-fsycl-is-device");
+  }
+
   if (IsOpenMPDevice) {
     // We have to pass the triple of the host if compiling for an OpenMP device.
     std::string NormalizedTriple =
Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -124,6 +124,9 @@
 def opencl_Group : OptionGroup<"<opencl group>">, Group<f_Group>,
                    DocName<"OpenCL flags">;
 
+def sycl_Group : OptionGroup<"<SYCL group>">, Group<f_Group>,
+                 DocName<"SYCL flags">;
+
 def m_Group : OptionGroup<"<m group>">, Group<CompileOnly_Group>,
               DocName<"Target-dependent compilation options">;
 
@@ -3405,6 +3408,9 @@
 defm underscoring : BooleanFFlag<"underscoring">, Group<gfortran_Group>;
 defm whole_file : BooleanFFlag<"whole-file">, Group<gfortran_Group>;
 
+// C++ SYCL options
+def fsycl : Flag<["-"], "fsycl">, Group<sycl_Group>,
+  HelpText<"Enable SYCL kernels compilation for device">;
 
 include "CC1Options.td"
 


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