[PATCH] D57768: [SYCL] Add clang front-end option to enable SYCL device compilation flow.
Alexey Bader via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Feb 21 06:42:32 PST 2019
bader updated this revision to Diff 187785.
bader added a comment.
Add check that SYCL specific macro is not enabled by default.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D57768/new/
https://reviews.llvm.org/D57768
Files:
clang/include/clang/Basic/LangOptions.def
clang/include/clang/Driver/CC1Options.td
clang/lib/Frontend/CompilerInvocation.cpp
clang/lib/Frontend/InitPreprocessor.cpp
clang/test/Preprocessor/sycl-macro.cpp
Index: clang/test/Preprocessor/sycl-macro.cpp
===================================================================
--- /dev/null
+++ clang/test/Preprocessor/sycl-macro.cpp
@@ -0,0 +1,5 @@
+// RUN: %clang_cc1 %s -E -dM | FileCheck %s
+// RUN: %clang_cc1 %s -fsycl-is-device -E -dM | FileCheck --check-prefix=CHECK-SYCL %s
+
+// CHECK-NOT:#define __SYCL_DEVICE_ONLY__ 1
+// CHECK-SYCL:#define __SYCL_DEVICE_ONLY__ 1
Index: clang/lib/Frontend/InitPreprocessor.cpp
===================================================================
--- clang/lib/Frontend/InitPreprocessor.cpp
+++ clang/lib/Frontend/InitPreprocessor.cpp
@@ -1057,6 +1057,12 @@
Builder.defineMacro("__CLANG_CUDA_APPROX_TRANSCENDENTALS__");
}
+ // Define indicating that the source file is being compiled with a SYCL
+ // device compiler which doesn't produce host binary.
+ if (LangOpts.SYCLIsDevice) {
+ Builder.defineMacro("__SYCL_DEVICE_ONLY__", "1");
+ }
+
// OpenCL definitions.
if (LangOpts.OpenCL) {
#define OPENCLEXT(Ext) \
Index: clang/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- clang/lib/Frontend/CompilerInvocation.cpp
+++ clang/lib/Frontend/CompilerInvocation.cpp
@@ -2879,6 +2879,8 @@
<< Opts.OMPHostIRFile;
}
+ Opts.SYCLIsDevice = Args.hasArg(options::OPT_fsycl_is_device);
+
// Set CUDA mode for OpenMP target NVPTX if specified in options
Opts.OpenMPCUDAMode = Opts.OpenMPIsDevice && T.isNVPTX() &&
Args.hasArg(options::OPT_fopenmp_cuda_mode);
Index: clang/include/clang/Driver/CC1Options.td
===================================================================
--- clang/include/clang/Driver/CC1Options.td
+++ clang/include/clang/Driver/CC1Options.td
@@ -836,8 +836,14 @@
def fopenmp_host_ir_file_path : Separate<["-"], "fopenmp-host-ir-file-path">,
HelpText<"Path to the IR file produced by the frontend for the host.">;
-} // let Flags = [CC1Option]
+//===----------------------------------------------------------------------===//
+// SYCL Options
+//===----------------------------------------------------------------------===//
+def fsycl_is_device : Flag<["-"], "fsycl-is-device">,
+ HelpText<"Generate code for SYCL device.">;
+
+} // let Flags = [CC1Option]
//===----------------------------------------------------------------------===//
// cc1as-only Options
Index: clang/include/clang/Basic/LangOptions.def
===================================================================
--- clang/include/clang/Basic/LangOptions.def
+++ clang/include/clang/Basic/LangOptions.def
@@ -217,6 +217,8 @@
LANGOPT(CUDADeviceApproxTranscendentals, 1, 0, "using approximate transcendental functions")
LANGOPT(GPURelocatableDeviceCode, 1, 0, "generate relocatable device code")
+LANGOPT(SYCLIsDevice , 1, 0, "Generate code for SYCL device")
+
LANGOPT(SizedDeallocation , 1, 0, "sized deallocation")
LANGOPT(AlignedAllocation , 1, 0, "aligned allocation")
LANGOPT(AlignedAllocationUnavailable, 1, 0, "aligned allocation functions are unavailable")
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