Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/polly/tools/CMakeLists.txt

@@ -0,0 +1,5 @@
+if (CUDA_FOUND OR OpenCL_FOUND)
+  add_subdirectory(GPURuntime)
+endif (CUDA_FOUND OR OpenCL_FOUND)
+
+set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)

external/llvm-project/polly/tools/GPURuntime/CMakeLists.txt

@@ -0,0 +1,19 @@
+set(MODULE TRUE)
+set(LLVM_NO_RTTI 1)
+
+add_polly_library(GPURuntime
+  GPUJIT.c
+  )
+
+set_target_properties(GPURuntime
+  PROPERTIES
+  LINKER_LANGUAGE C
+  PREFIX "lib"
+  )
+
+set_property(TARGET GPURuntime PROPERTY C_STANDARD 99)
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=default ")
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-sanitize=all ")
+endif()

external/llvm-project/polly/tools/GPURuntime/GPUJIT.h

@@ -0,0 +1,123 @@
+/******************************************************************************/
+/*                                                                            */
+/*                     The LLVM Compiler Infrastructure                       */
+/*                                                                            */
+/* This file is dual licensed under the MIT and the University of Illinois    */
+/* Open Source License. See LICENSE.TXT for details.                          */
+/*                                                                            */
+/******************************************************************************/
+/*                                                                            */
+/*  This file defines GPUJIT.                                                 */
+/*                                                                            */
+/******************************************************************************/
+
+#ifndef GPUJIT_H_
+#define GPUJIT_H_
+#include "stddef.h"
+
+/*
+ * The following demostrates how we can use the GPURuntime library to
+ * execute a GPU kernel.
+ *
+ * char KernelString[] = "\n\
+ *   .version 1.4\n\
+ *   .target sm_10, map_f64_to_f32\n\
+ *   .entry _Z8myKernelPi (\n\
+ *   .param .u64 __cudaparm__Z8myKernelPi_data)\n\
+ *   {\n\
+ *     .reg .u16 %rh<4>;\n\
+ *     .reg .u32 %r<5>;\n\
+ *     .reg .u64 %rd<6>;\n\
+ *     cvt.u32.u16     %r1, %tid.x;\n\
+ *     mov.u16         %rh1, %ctaid.x;\n\
+ *     mov.u16         %rh2, %ntid.x;\n\
+ *     mul.wide.u16    %r2, %rh1, %rh2;\n\
+ *     add.u32         %r3, %r1, %r2;\n\
+ *     ld.param.u64    %rd1, [__cudaparm__Z8myKernelPi_data];\n\
+ *     cvt.s64.s32     %rd2, %r3;\n\
+ *     mul.wide.s32    %rd3, %r3, 4;\n\
+ *     add.u64         %rd4, %rd1, %rd3;\n\
+ *     st.global.s32   [%rd4+0], %r3;\n\
+ *     exit;\n\
+ *   }\n\
+ * ";
+ *
+ * const char *Entry = "_Z8myKernelPi";
+ *
+ * int main() {
+ *   PollyGPUFunction *Kernel;
+ *   PollyGPUContext *Context;
+ *   PollyGPUDevicePtr *DevArray;
+ *   int *HostData;
+ *   int MemSize;
+ *
+ *   int GridX = 8;
+ *   int GridY = 8;
+ *
+ *   int BlockX = 16;
+ *   int BlockY = 16;
+ *   int BlockZ = 1;
+ *
+ *   MemSize = 256*64*sizeof(int);
+ *   Context = polly_initContext();
+ *   DevArray = polly_allocateMemoryForDevice(MemSize);
+ *   Kernel = polly_getKernel(KernelString, KernelName);
+ *
+ *   void *Params[1];
+ *   void *DevPtr = polly_getDevicePtr(DevArray)
+ *   Params[0] = &DevPtr;
+ *
+ *   polly_launchKernel(Kernel, GridX, GridY, BlockX, BlockY, BlockZ, Params);
+ *
+ *   polly_copyFromDeviceToHost(HostData, DevData, MemSize);
+ *   polly_freeKernel(Kernel);
+ *   polly_freeDeviceMemory(DevArray);
+ *   polly_freeContext(Context);
+ * }
+ *
+ */
+
+typedef enum PollyGPURuntimeT {
+  RUNTIME_NONE,
+  RUNTIME_CUDA,
+  RUNTIME_CL
+} PollyGPURuntime;
+
+typedef struct PollyGPUContextT PollyGPUContext;
+typedef struct PollyGPUFunctionT PollyGPUFunction;
+typedef struct PollyGPUDevicePtrT PollyGPUDevicePtr;
+
+typedef struct OpenCLContextT OpenCLContext;
+typedef struct OpenCLKernelT OpenCLKernel;
+typedef struct OpenCLDevicePtrT OpenCLDevicePtr;
+
+typedef struct CUDAContextT CUDAContext;
+typedef struct CUDAKernelT CUDAKernel;
+typedef struct CUDADevicePtrT CUDADevicePtr;
+
+PollyGPUContext *polly_initContextCUDA();
+PollyGPUContext *polly_initContextCL();
+PollyGPUFunction *polly_getKernel(const char *BinaryBuffer,
+                                  const char *KernelName);
+void polly_freeKernel(PollyGPUFunction *Kernel);
+void polly_copyFromHostToDevice(void *HostData, PollyGPUDevicePtr *DevData,
+                                long MemSize);
+void polly_copyFromDeviceToHost(PollyGPUDevicePtr *DevData, void *HostData,
+                                long MemSize);
+void polly_synchronizeDevice();
+void polly_launchKernel(PollyGPUFunction *Kernel, unsigned int GridDimX,
+                        unsigned int GridDimY, unsigned int BlockSizeX,
+                        unsigned int BlockSizeY, unsigned int BlockSizeZ,
+                        void **Parameters);
+void polly_freeDeviceMemory(PollyGPUDevicePtr *Allocation);
+void polly_freeContext(PollyGPUContext *Context);
+
+// Note that polly_{malloc/free}Managed are currently not used by Polly.
+// We use them in COSMO by replacing all malloc with polly_mallocManaged and all
+// frees with cudaFree, so we can get managed memory "automatically".
+// Needless to say, this is a hack.
+// Please make sure that this code is not present in Polly when 2018 rolls in.
+// If this is still present, ping Siddharth Bhat <siddu.druid@gmail.com>
+void *polly_mallocManaged(size_t size);
+void polly_freeManaged(void *mem);
+#endif /* GPUJIT_H_ */

external/llvm-project/polly/tools/GPURuntime/LICENSE.TXT

@@ -0,0 +1,75 @@
+==============================================================================
+GPURuntime License
+==============================================================================
+
+The GPURuntime library is dual licensed under both the University of Illinois
+"BSD-Like" license and the MIT license.  As a user of this code you may choose
+to use it under either license.  As a contributor, you agree to allow your code
+to be used under both.
+
+Full text of the relevant licenses is included below.
+
+==============================================================================
+
+University of Illinois/NCSA
+Open Source License
+
+Copyright (c) 2009-2016 by the contributors listed in CREDITS.TXT
+
+All rights reserved.
+
+Developed by:
+
+    Polly Team
+
+    http://polly.llvm.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal with
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimers.
+
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimers in the
+      documentation and/or other materials provided with the distribution.
+
+    * Neither the names of the LLVM Team, University of Illinois at
+      Urbana-Champaign, nor the names of its contributors may be used to
+      endorse or promote products derived from this Software without specific
+      prior written permission.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
+SOFTWARE.
+
+==============================================================================
+
+Copyright (c) 2009-2016 by the contributors listed in CREDITS.TXT
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+