[libc-commits] [PATCH] D156731: [libc] Add basic wrappers for the backend address spaces
Joseph Huber via Phabricator via libc-commits
libc-commits at lists.llvm.org
Tue Aug 1 05:41:33 PDT 2023
This revision was automatically updated to reflect the committed changes.
Closed by commit rG3926feb84ebe: [libc] Add basic wrappers for the backend address spaces (authored by jhuber6).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D156731/new/
https://reviews.llvm.org/D156731
Files:
libc/src/__support/GPU/amdgpu/utils.h
libc/src/__support/GPU/generic/utils.h
libc/src/__support/GPU/nvptx/utils.h
Index: libc/src/__support/GPU/nvptx/utils.h
===================================================================
--- libc/src/__support/GPU/nvptx/utils.h
+++ libc/src/__support/GPU/nvptx/utils.h
@@ -19,6 +19,12 @@
/// The number of threads that execute in lock-step in a warp.
constexpr const uint64_t LANE_SIZE = 32;
+/// Type aliases to the address spaces used by the NVPTX backend.
+template <typename T> using Private = [[clang::opencl_private]] T;
+template <typename T> using Constant = [[clang::opencl_constant]] T;
+template <typename T> using Local = [[clang::opencl_local]] T;
+template <typename T> using Global = [[clang::opencl_global]] T;
+
/// Returns the number of CUDA blocks in the 'x' dimension.
LIBC_INLINE uint32_t get_num_blocks_x() {
return __nvvm_read_ptx_sreg_nctaid_x();
Index: libc/src/__support/GPU/generic/utils.h
===================================================================
--- libc/src/__support/GPU/generic/utils.h
+++ libc/src/__support/GPU/generic/utils.h
@@ -18,6 +18,11 @@
constexpr const uint64_t LANE_SIZE = 1;
+template <typename T> using Private = T;
+template <typename T> using Constant = T;
+template <typename T> using Shared = T;
+template <typename T> using Global = T;
+
LIBC_INLINE uint32_t get_num_blocks_x() { return 1; }
LIBC_INLINE uint32_t get_num_blocks_y() { return 1; }
Index: libc/src/__support/GPU/amdgpu/utils.h
===================================================================
--- libc/src/__support/GPU/amdgpu/utils.h
+++ libc/src/__support/GPU/amdgpu/utils.h
@@ -20,6 +20,12 @@
/// The number of threads that execute in lock-step in a lane.
constexpr const uint64_t LANE_SIZE = __AMDGCN_WAVEFRONT_SIZE;
+/// Type aliases to the address spaces used by the AMDGPU backend.
+template <typename T> using Private = [[clang::opencl_private]] T;
+template <typename T> using Constant = [[clang::opencl_constant]] T;
+template <typename T> using Local = [[clang::opencl_local]] T;
+template <typename T> using Global = [[clang::opencl_global]] T;
+
/// Returns the number of workgroups in the 'x' dimension of the grid.
LIBC_INLINE uint32_t get_num_blocks_x() {
return __builtin_amdgcn_grid_size_x() / __builtin_amdgcn_workgroup_size_x();
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