Merge branch 'sycl' into stuart/basic_tests/image

.arclint

@@ -6,6 +6,9 @@
       "script-and-regex.regex": "/^(?P<severity>[[:alpha:]]+)\n(?P<message>[^\n]+)\n(====|(?P<line>\\d),(?P<char>\\d)\n(?P<original>.*)>>>>\n(?P<replacement>.*)<<<<\n)$/s",
       "include": [
         "(\\.(cc|cpp|h)$)"
+      ],
+      "exclude": [
+        "(^clang/test/)"
       ]
     }
   }

.git-blame-ignore-revs

@@ -22,3 +22,21 @@ b9c1b51e45b845debb76d8658edabca70ca56079
 
 # r302496: That is the revert of r302421
 ff63090b0e1072bd398b8efef8ae2291613a6ec9
+
+# Fix more line endings changed in r320089. NFC.
+d8f0e6caa91e230a486c948ab643174e40bdf215
+
+# Correct line endings that got mixed up in r320089; NFC.
+29dc5ded45447915d96ef7ca3f02acf2232282e0
+
+# Remove line-endings added by r320089. NFC.
+100a0eedc00b2bf48bcdc6c209c000745a4a0e48
+
+# Cleanup __config indention. NFC.
+2b772b930e097ed6f06d698a51e291c7fd318baa
+
+# Fixing whitespace problems
+94b2dd0998230c758abd92c99d3700c971f7a31a
+
+# Wiped out some non-ascii characters that snuck into the copyright.
+5b08a8a43254ed30bd953e869b0fd9fc1e8b82d0

.github/CODEOWNERS

@@ -49,8 +49,8 @@ sycl/source/stream.cpp @againull
 
 # Specialization constant
 sycl/include/CL/sycl/detail/sycl_fe_intrins.hpp @kbobrovs
-sycl/include/CL/sycl/detail/spec_constant_impl.hpp @kbobrovs
 sycl/include/CL/sycl/experimental/spec_constant.hpp @kbobrovs
+sycl/source/detail/spec_constant_impl.hpp @kbobrovs
 
 # Program manager
 sycl/source/detail/program_manager @kbobrovs
@@ -82,7 +82,7 @@ sycl/plugins/cuda/ @intel/llvm-reviewers-cuda
 
 sycl/doc/ @pvchupin @kbobrovs
 
-sycl/doc/extensions/ @mkinsner @jbrodman
+sycl/doc/extensions/ @intel/dpcpp-specification-reviewers
 
 xpti/ @tovinkere @andykaylor
 xptifw/ @tovinkere  @andykaylor

.github/workflows/clang-format.yml

@@ -9,13 +9,13 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
+    - name: Get clang-format first
+      run: sudo apt-get install -yqq clang-format-9
+
     - uses: actions/checkout@v2
       with:
         fetch-depth: 2
 
-    - name: Get clang-format first
-      run: sudo apt-get install -yqq clang-format-9
-
     - name: Run clang-format for the patch
       run: |
         git diff -U0 --no-color ${GITHUB_SHA}^1 ${GITHUB_SHA} -- | ./clang/tools/clang-format/clang-format-diff.py -p1 -binary clang-format-9 > ./clang-format.patch

.github/workflows/gh_pages.yml

@@ -7,6 +7,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    if: github.repository == 'intel/llvm'
     steps:
     - uses: actions/checkout@v2
       with:

.gitignore

@@ -54,8 +54,11 @@ autoconf/autom4te.cache
 # VS2017 and VSCode config files.
 .vscode
 .vs
-# clangd index
-.clangd
+# pythonenv for github Codespaces
+pythonenv*
+# clangd index. (".clangd" is a config file now, thus trailing slash)
+.clangd/
+.cache
 # static analyzer regression testing project files
 /clang/utils/analyzer/projects/*/CachedSource
 /clang/utils/analyzer/projects/*/PatchedSource

CONTRIBUTING.md

@@ -24,24 +24,25 @@ for more information.
   - For the DPC++ Compiler project, use **sycl** branch as baseline for your
     changes. See [Get Started Guide](sycl/doc/GetStartedGuide.md).
 - Prepare your patch
-    - follow [LLVM coding standards](https://llvm.org/docs/CodingStandards.html)
-    - [clang-format](https://clang.llvm.org/docs/ClangFormat.html) and
-      [clang-tidy](https://clang.llvm.org/extra/clang-tidy/) tools can be
-      integrated into your workflow to ensure formatting and stylistic
-      compliance of your changes.
-    - use
-      ```
-      ./clang/tools/clang-format/git-clang-format `git merge-base origin/sycl HEAD`
-      ```
-      to check the format of your current changes against the `origin/sycl`
-      branch.
-        - `-f` to also correct unstaged changes
-        - `--diff` to only print the diff without applying
-- Build the project and run all tests.
-    - complete test suite: `python buildbot/check.py`
-    - sycl test suite `python buildbot/check.py -t test-sycl`
-    - run only "mytest" test `python buildbot/check.py -t test-sycl-mytest`
-    - if necessary, use `-o $LLVM_BUILD_DIR` to specify the llvm build directory
+  - follow [LLVM coding standards](https://llvm.org/docs/CodingStandards.html)
+  - [clang-format](https://clang.llvm.org/docs/ClangFormat.html) and
+    [clang-tidy](https://clang.llvm.org/extra/clang-tidy/) tools can be
+    integrated into your workflow to ensure formatting and stylistic
+    compliance of your changes.
+  - use
+
+    ```bash
+    ./clang/tools/clang-format/git-clang-format `git merge-base origin/sycl HEAD`
+    ```
+
+    to check the format of your current changes against the `origin/sycl`
+    branch.
+    - `-f` to also correct unstaged changes
+    - `--diff` to only print the diff without applying
+- Build the project following
+[Get Started Guide instructions](sycl/doc/GetStartedGuide.md#build-dpc-toolchain).
+- Run regression tests -
+[instructions](sycl/doc/GetStartedGuide.md#test-dpc-toolchain).
 
 ### Commit message
 
@@ -67,6 +68,7 @@ ready for merge.
 ### Merge
 
 Project maintainers merge pull requests using one of the following options:
+
 - [Rebase and merge] The preferable choice for PRs containing a single commit
 - [Squash and merge] Used when there are multiple commits in the PR
   - Squashing is done to make sure that the project is buildable on any commit

buildbot/compile.py

@@ -13,6 +13,9 @@ def do_compile(args):
     except NotImplementedError:
         cpu_count = DEFAULT_CPU_COUNT
 
+    if args.build_parallelism:
+        cpu_count = int(args.build_parallelism)
+
     # Get absolute path to source directory
     if args.src_dir:
       abs_src_dir = os.path.abspath(args.src_dir)
@@ -51,6 +54,7 @@ def main():
                         help="builder directory, which is the directory contains source and build directories")
     parser.add_argument("-s", "--src-dir", metavar="SRC_DIR", help="source directory")
     parser.add_argument("-o", "--obj-dir", metavar="OBJ_DIR", help="build directory")
+    parser.add_argument("-j", "--build-parallelism", metavar="BUILD_PARALLELISM", help="build parallelism")
 
     args = parser.parse_args()
 

buildbot/configure.py

@@ -38,6 +38,10 @@ def do_configure(args):
         libclc_targets_to_build = 'nvptx64--;nvptx64--nvidiacl'
         sycl_build_pi_cuda = 'ON'
 
+    # replace not append, so ARM ^ X86
+    if args.arm:
+        llvm_targets_to_build = 'ARM;AArch64'
+
     if args.no_werror:
         sycl_werror = 'OFF'
 
@@ -128,6 +132,7 @@ def main():
     parser.add_argument("-t", "--build-type",
                         metavar="BUILD_TYPE", default="Release", help="build type: Debug, Release")
     parser.add_argument("--cuda", action='store_true', help="switch from OpenCL to CUDA")
+    parser.add_argument("--arm", action='store_true', help="build ARM support rather than x86")
     parser.add_argument("--no-assertions", action='store_true', help="build without assertions")
     parser.add_argument("--docs", action='store_true', help="build Doxygen documentation")
     parser.add_argument("--system-ocl", action='store_true', help="use OpenCL deps from system (no download)")

buildbot/dependency.conf

@@ -1,31 +1,46 @@
 [VERSIONS]
-# https://github.com/intel/llvm/releases/download/2020-WW20/oclcpuexp-2020.10.6.0.4_rel.tar.gz
-ocl_cpu_rt_ver=2020.10.6.0.04
-# https://github.com/intel/llvm/releases/download/2020-WW20/win-oclcpuexp-2020.10.6.0.4_rel.zip
-ocl_cpu_rt_ver_win=2020.10.6.0.04
+# https://github.com/intel/llvm/releases/download/2020-WW41/oclcpuexp-2020.11.10.0.05_rel.tar.gz
+ocl_cpu_rt_ver=2020.11.10.0.05
+# https://github.com/intel/llvm/releases/download/2020-WW41/win-oclcpuexp-2020.11.10.0.05_rel.zip
+ocl_cpu_rt_ver_win=2020.11.10.0.05
 # Same GPU driver supports Level Zero and OpenCL:
-# https://github.com/intel/compute-runtime/releases/tag/20.21.16886
-ocl_gpu_rt_ver=20.21.16886
+# https://github.com/intel/compute-runtime/releases/tag/20.39.17972
+ocl_gpu_rt_ver=20.39.17972
 # Same GPU driver supports Level Zero and OpenCL:
-# https://downloadmirror.intel.com/29616/a08/igfx_win10_100.8280.zip
-ocl_gpu_rt_ver_win=27.20.100.8280
+# https://downloadmirror.intel.com/29879/a08/igfx_win10_100.8778.zip
+ocl_gpu_rt_ver_win=27.20.100.8778
 intel_sycl_ver=build
-# https://github.com/oneapi-src/oneTBB/releases/download/v2020.2/tbb-2020.2-lin.tgz
-tbb_ver=20200121_111047
-# https://github.com/oneapi-src/oneTBB/releases/download/v2020.2/tbb-2020.2-win.zip
-tbb_ver_win=20200124_000000
-# TODO: provide URL for Linux OpenCL emulator of FPGA device
-fpga_ver=20200216_000000
-# TODO: provide URL for Windows OpenCL emulator of FPGA device
-fpga_ver_win=20200216_000000
+# https://github.com/oneapi-src/oneTBB/releases/download/v2021.1-beta08/oneapi-tbb-2021.1-beta08-lin.tgz
+tbb_ver=2021.1.10.2267
+# https://github.com/oneapi-src/oneTBB/releases/download/v2021.1-beta08/oneapi-tbb-2021.1-beta08-win.zip
+tbb_ver_win=2021.1.10.2267
+# https://github.com/intel/llvm/releases/download/2020-WW41/fpgaemu-2020.11.10.0.05_rel.tar.gz
+ocl_fpga_emu_ver=2020.11.10.0.05
+# https://github.com/intel/llvm/releases/download/2020-WW41/win-fpgaemu-2020.11.10.0.05_rel.zip
+ocl_fpga_emu_ver_win=2020.11.10.0.05
+fpga_ver=20200913_000017
+fpga_ver_win=20200913_000017
 
 [DRIVER VERSIONS]
-cpu_driver_lin=2020.10.6.0.04
-cpu_driver_win=2020.10.6.0.04
-gpu_driver_lin=20.21.16886
-gpu_driver_win=27.20.100.8280
-fpga_driver_lin=2020.9.2.0
-fpga_driver_win=2020.9.2.0
+cpu_driver_lin=2020.11.10.0.05
+cpu_driver_win=2020.11.10.0.05
+gpu_driver_lin=20.39.17972
+gpu_driver_win=27.20.100.8778
+fpga_driver_lin=2020.11.10.0.05
+fpga_driver_win=2020.11.10.0.05
 # NVidia CUDA driver
-# http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/cuda-drivers_450.36.06-1_amd64.deb
-nvidia_gpu_driver_lin=450.36.06
+# TODO provide URL for CUDA driver
+nvidia_gpu_driver_lin=435.21
+
+[DEPS ROOT]
+ocl_cpu_root={DEPS_ROOT}/opencl/runtime/linux/oclcpu
+ocl_gpu_root={DEPS_ROOT}/opencl/runtime/linux/oclgpu
+fpga_root={ARCHIVE_ROOT}/comp/oclfpga/linux
+ocl_fpga_emu_root={DEPS_ROOT}/opencl/runtime/linux/oclfpgaemu
+tbb_root={DEPS_ROOT}/tbb/lin
+
+ocl_cpu_root_win={DEPS_ROOT}/opencl/runtime/win/oclcpu
+ocl_gpu_root_win=
+fpga_root_win={ARCHIVE_ROOT}/comp/oclfpga/win
+ocl_fpga_emu_root_win={DEPS_ROOT}/opencl/runtime/win/oclfpgaemu
+tbb_root_win={DEPS_ROOT}/tbb/win

buildbot/dependency.py

@@ -58,7 +58,10 @@ def do_dependency(args):
     # fetch and build OpenCL ICD loader
     icd_loader_dir = os.path.join(args.obj_dir, "OpenCL-ICD-Loader")
     if not os.path.isdir(icd_loader_dir):
-        clone_cmd = ["git", "clone", "https://github.com/KhronosGroup/OpenCL-ICD-Loader", "OpenCL-ICD-Loader"]
+        clone_cmd = ["git", "clone",
+                     "https://github.com/KhronosGroup/OpenCL-ICD-Loader",
+                     "OpenCL-ICD-Loader", "-b", "v2020.06.16"]
+
         subprocess.check_call(clone_cmd, cwd=args.obj_dir)
     else:
         fetch_cmd = ["git", "pull", "--ff", "--ff-only", "origin"]

buildbot/linux.vrd

@@ -0,0 +1,26 @@
+# For TBB
+:eadb LD_LIBRARY_PATH={TBBROOT}/{TBBVER}/lib/intel64/gcc4.8
+
+# For CPU
+:eadb LD_LIBRARY_PATH={OCLCPUROOT}/{OCLCPUVER}/intel64_lin
+:eadb OCL_ICD_FILENAMES={OCLCPUROOT}/{OCLCPUVER}/intel64_lin/libintelocl.so
+
+# For GPU
+:eade LD_LIBRARY_PATH={OCLGPUROOT}/{OCLGPUVER}
+:eade PATH={OCLGPUROOT}/{OCLGPUVER}
+:eade OCL_ICD_FILENAMES={OCLGPUROOT}/{OCLGPUVER}/libigdrcl.so
+
+# For FPGA
+:eadb PATH={OCLFPGAROOT}/{OCLFPGAVER}/build/bin
+
+# For FPGA EMU
+:eadb LD_LIBRARY_PATH={OCLFPGAEMUROOT}/{OCLFPGAEMUVER}
+:eadb LD_LIBRARY_PATH={OCLFPGAEMUROOT}/{OCLFPGAEMUVER}/intel64_lin
+:eadb PATH={OCLFPGAEMUROOT}/{OCLFPGAEMUVER}/bin
+:eadb OCL_ICD_FILENAMES={OCLFPGAEMUROOT}/{OCLFPGAEMUVER}/libintelocl_emu.so
+
+# For Compiler
+:eadb PATH={COMP_ROOT}/bin
+:eadb LD_LIBRARY_PATH={COMP_ROOT}/lib
+:eadb PATH={COMP_ROOT}/install/bin
+:eadb LD_LIBRARY_PATH={COMP_ROOT}/install/lib

buildbot/windows.vrd

@@ -0,0 +1,23 @@
+# For TBB
+:eadb PATH={TBBROOT}/{TBBVER}/redist/intel64/vc14
+:eadb LIB={TBBROOT}/{TBBVER}/lib/intel64/vc14
+:eadb INCLUDE={TBBROOT}/{TBBVER}/include
+:eadb CPATH={TBBROOT}/{TBBVER}/include
+
+# For CPU
+:eadb PATH={OCLCPUROOT}/{OCLCPUVER}/intel64_win
+:eadb OCL_ICD_FILENAMES={OCLCPUROOT}/{OCLCPUVER}/intel64_win/intelocl64.dll
+
+# For FPGA
+:eadb PATH={OCLFPGAROOT}/{OCLFPGAVER}/build/bin
+
+# For FPGA EMU
+:eadb PATH={OCLFPGAEMUROOT}/{OCLFPGAEMUVER}/bin
+:eadb PATH={OCLFPGAEMUROOT}/{OCLFPGAEMUVER}/intel64_win
+:eadb OCL_ICD_FILENAMES={OCLFPGAEMUROOT}/{OCLFPGAEMUVER}/intelocl64_emu.dll
+
+# For Compiler
+:eadb PATH={COMP_ROOT}/bin
+:eadb PATH={COMP_ROOT}/lib
+:eadb PATH={COMP_ROOT}/install/bin
+:eadb PATH={COMP_ROOT}/install/lib

clang-tools-extra/CMakeLists.txt

@@ -1,5 +1,8 @@
 include(CMakeDependentOption)
 
+option(CLANG_TIDY_ENABLE_STATIC_ANALYZER
+  "Include static analyzer checks in clang-tidy" ON)
+
 add_subdirectory(clang-apply-replacements)
 add_subdirectory(clang-reorder-fields)
 add_subdirectory(modularize)

clang-tools-extra/clang-change-namespace/ChangeNamespace.cpp

@@ -19,14 +19,8 @@ namespace change_namespace {
 
 namespace {
 
-inline std::string
-joinNamespaces(const llvm::SmallVectorImpl<StringRef> &Namespaces) {
-  if (Namespaces.empty())
-    return "";
-  std::string Result(Namespaces.front());
-  for (auto I = Namespaces.begin() + 1, E = Namespaces.end(); I != E; ++I)
-    Result += ("::" + *I).str();
-  return Result;
+inline std::string joinNamespaces(ArrayRef<StringRef> Namespaces) {
+  return llvm::join(Namespaces, "::");
 }
 
 // Given "a::b::c", returns {"a", "b", "c"}.

clang-tools-extra/clang-include-fixer/find-all-symbols/FindAllSymbols.cpp

@@ -99,7 +99,7 @@ CreateSymbolInfo(const NamedDecl *ND, const SourceManager &SM,
 
   SourceLocation Loc = SM.getExpansionLoc(ND->getLocation());
   if (!Loc.isValid()) {
-    llvm::errs() << "Declaration " << ND->getNameAsString() << "("
+    llvm::errs() << "Declaration " << ND->getDeclName() << "("
                  << ND->getDeclKindName()
                  << ") has invalid declaration location.";
     return llvm::None;

clang-tools-extra/clang-move/HelperDeclRefGraph.cpp

@@ -116,7 +116,7 @@ void HelperDeclRGBuilder::run(
     const auto *DC = Result.Nodes.getNodeAs<Decl>("dc");
     assert(DC);
     LLVM_DEBUG(llvm::dbgs() << "Find helper function usage: "
-                            << FuncRef->getDecl()->getNameAsString() << " ("
+                            << FuncRef->getDecl()->getDeclName() << " ("
                             << FuncRef->getDecl() << ")\n");
     RG->addEdge(
         getOutmostClassOrFunDecl(DC->getCanonicalDecl()),
@@ -126,7 +126,7 @@ void HelperDeclRGBuilder::run(
     const auto *DC = Result.Nodes.getNodeAs<Decl>("dc");
     assert(DC);
     LLVM_DEBUG(llvm::dbgs()
-               << "Find helper class usage: " << UsedClass->getNameAsString()
+               << "Find helper class usage: " << UsedClass->getDeclName()
                << " (" << UsedClass << ")\n");
     RG->addEdge(getOutmostClassOrFunDecl(DC->getCanonicalDecl()), UsedClass);
   }