https://github.com/wenju-he updated https://github.com/llvm/llvm-project/pull/135733
>From 64d7bfdceb5a0a6fbf34bb15cd7d6cbeb9214881 Mon Sep 17 00:00:00 2001 From: Wenju He <wenju...@intel.com> Date: Mon, 14 Apr 2025 19:20:25 -0700 Subject: [PATCH 1/2] [libclc] Set OpenCL version to 3.0 This PR is cherry-pick of https://github.com/intel/llvm/commit/cba338e5fb1c This allows adding OpenCL 2.0 built-ins, e.g. ctz, and OpenCL 3.0 extension built-ins, including generic address space variants. llvm-diff shows this PR has no change in amdgcn--amdhsa.bc. --- libclc/CMakeLists.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libclc/CMakeLists.txt b/libclc/CMakeLists.txt index dbbc29261d3b5..278ae5d777a84 100644 --- a/libclc/CMakeLists.txt +++ b/libclc/CMakeLists.txt @@ -411,6 +411,16 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} ) set( LIBCLC_ARCH_OBJFILE_DIR "${LIBCLC_OBJFILE_DIR}/${arch_suffix}" ) file( MAKE_DIRECTORY ${LIBCLC_ARCH_OBJFILE_DIR} ) + # OpenCL 3.0 extensions + string(CONCAT CL_3_0_EXTENSIONS + "-cl-ext=" + "+cl_khr_fp64," + "+cl_khr_fp16," + "+__opencl_c_3d_image_writes," + "+__opencl_c_images," + "+cl_khr_3d_image_writes") + list( APPEND build_flags -cl-std=CL3.0 "-Xclang" ${CL_3_0_EXTENSIONS} ) + string( TOUPPER "CLC_${MACRO_ARCH}" CLC_TARGET_DEFINE ) list( APPEND build_flags >From 4facfec781e39a247aba639ea8e080aa79153a12 Mon Sep 17 00:00:00 2001 From: Wenju He <wenju...@intel.com> Date: Tue, 15 Apr 2025 20:56:40 -0700 Subject: [PATCH 2/2] set opencl_c_version per target, remove CL_3_0_EXTENSIONS --- libclc/CMakeLists.txt | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-) diff --git a/libclc/CMakeLists.txt b/libclc/CMakeLists.txt index 278ae5d777a84..e3093af57e728 100644 --- a/libclc/CMakeLists.txt +++ b/libclc/CMakeLists.txt @@ -387,7 +387,11 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} ) message( STATUS " device: ${d} ( ${${d}_aliases} )" ) - if ( ARCH STREQUAL spirv OR ARCH STREQUAL spirv64 ) + # 1.2 is Clang's default OpenCL C language standard to compile for. + set( opencl_lang_std "CL1.2" ) + + if ( ${DARCH} STREQUAL spirv ) + set( opencl_lang_std "CL3.0" ) set( build_flags -O0 -finline-hint-functions -DCLC_SPIRV ) set( opt_flags ) set( spvflags --spirv-max-version=1.1 ) @@ -395,13 +399,27 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} ) if( ARCH STREQUAL spirv64 ) set( MACRO_ARCH SPIRV64 ) endif() - elseif( ARCH STREQUAL clspv OR ARCH STREQUAL clspv64 ) + elseif( ${DARCH} STREQUAL clspv ) + # Refer to https://github.com/google/clspv for OpenCL version. + set( opencl_lang_std "CL3.0" ) set( build_flags "-Wno-unknown-assumption" -DCLC_CLSPV ) set( opt_flags -O3 ) set( MACRO_ARCH CLSPV32 ) if( ARCH STREQUAL clspv64 ) set( MACRO_ARCH CLSPV64 ) endif() + elseif( ${DARCH} STREQUAL nvptx ) + # Refer to https://www.khronos.org/opencl/ for OpenCL version in NV implementation. + set( opencl_lang_std "CL3.0" ) + set( build_flags ) + set( opt_flags -O3 ) + set( MACRO_ARCH ${ARCH} ) + elseif( ${DARCH} STREQUAL amdgcn OR ${DARCH} STREQUAL amdgcn-amdhsa OR ${DARCH} STREQUAL r600 ) + # Refer to https://github.com/ROCm/clr/tree/develop/opencl for OpenCL version. + set( opencl_lang_std "CL2.0" ) + set( build_flags ) + set( opt_flags -O3 ) + set( MACRO_ARCH ${ARCH} ) else() set( build_flags ) set( opt_flags -O3 ) @@ -411,15 +429,7 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} ) set( LIBCLC_ARCH_OBJFILE_DIR "${LIBCLC_OBJFILE_DIR}/${arch_suffix}" ) file( MAKE_DIRECTORY ${LIBCLC_ARCH_OBJFILE_DIR} ) - # OpenCL 3.0 extensions - string(CONCAT CL_3_0_EXTENSIONS - "-cl-ext=" - "+cl_khr_fp64," - "+cl_khr_fp16," - "+__opencl_c_3d_image_writes," - "+__opencl_c_images," - "+cl_khr_3d_image_writes") - list( APPEND build_flags -cl-std=CL3.0 "-Xclang" ${CL_3_0_EXTENSIONS} ) + list( APPEND build_flags -cl-std=${opencl_lang_std} ) string( TOUPPER "CLC_${MACRO_ARCH}" CLC_TARGET_DEFINE ) _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
