Merge branch 'users/meinersbur/flang_runtime_shared' into users/meinersbur/flang_runtime_remove-FLANG_INCLUDE_RUNTIME

Author: Meinersbur

flang-rt/CMakeLists.txt

@@ -234,6 +234,9 @@ endif ()
 # but some older versions of CMake don't define it for GCC itself.
 check_cxx_compiler_flag("-UTESTFLAG" FLANG_RT_SUPPORTS_UNDEFINE_FLAG)
 
+# Check whether -fno-lto is supported.
+check_cxx_compiler_flag(-fno-lto FLANG_RT_HAS_FNO_LTO_FLAG)
+
 
 # function checks
 find_package(Backtrace)

flang-rt/cmake/modules/AddFlangRT.cmake

@@ -237,6 +237,13 @@ function (add_flangrt_library name)
       target_compile_options(${tgtname} PUBLIC -U_LIBCPP_ENABLE_ASSERTIONS)
     endif ()
 
+    # When building the flang runtime if LTO is enabled the archive file
+    # contains LLVM IR rather than object code. Currently flang is not
+    # LTO aware so cannot link this file to compiled Fortran code.
+    if (FLANG_RT_HAS_FNO_LTO_FLAG)
+      target_compile_options(${tgtname} PRIVATE -fno-lto)
+    endif ()
+
     # Flang/Clang (including clang-cl) -compiled programs targeting the MSVC ABI
     # should only depend on msvcrt/ucrt. LLVM still emits libgcc/compiler-rt
     # functions in some cases like 128-bit integer math (__udivti3, __modti3,

flang-rt/lib/cuda/allocator.cpp

@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "flang-rt/cuda/allocator.h"
+#include "flang/Runtime/CUDA/allocator.h"
 #include "flang-rt/runtime/allocator-registry.h"
 #include "flang-rt/runtime/derived.h"
 #include "flang-rt/runtime/stat.h"

flang-rt/lib/cuda/descriptor.cpp

@@ -7,9 +7,9 @@
 //===----------------------------------------------------------------------===//
 
 #include "flang/Runtime/CUDA/descriptor.h"
-#include "flang-rt/cuda/allocator.h"
 #include "flang-rt/runtime/descriptor.h"
 #include "flang-rt/runtime/terminator.h"
+#include "flang/Runtime/CUDA/allocator.h"
 #include "flang/Runtime/CUDA/common.h"
 
 #include "cuda_runtime.h"

flang-rt/test/lit.cfg.py

@@ -80,19 +80,17 @@ def shjoin(args, sep=" "):
         extra_args=isysroot_flag,
         unresolved="fatal",
     ),
-    ToolSubst("%cc",
-        command=config.cc,
-        extra_args=isysroot_flag,
-        unresolved="fatal"
-    ),
+    ToolSubst("%cc", command=config.cc, extra_args=isysroot_flag, unresolved="fatal"),
 ]
 llvm_config.add_tool_substitutions(tools)
 
 # Let tests find LLVM's standard tools (FileCheck, split-file, not, ...)
 llvm_config.with_environment("PATH", config.llvm_tools_dir, append_path=True)
 
 # Include path for C headers that define Flang's Fortran ABI.
-config.substitutions.append(("%include", os.path.join(config.flang_source_dir, "include")))
+config.substitutions.append(
+    ("%include", os.path.join(config.flang_source_dir, "include"))
+)
 
 # Library path of libflang_rt.runtime.a/.so (for lib search path when using non-Flang driver for linking and LD_LIBRARY_PATH)
 config.substitutions.append(("%libdir", config.flang_rt_output_resource_lib_dir))

flang-rt/unittests/Runtime/CUDA/Allocatable.cpp

@@ -9,10 +9,10 @@
 #include "flang/Runtime/allocatable.h"
 #include "cuda_runtime.h"
 #include "gtest/gtest.h"
-#include "flang-rt/cuda/allocator.h"
 #include "flang-rt/runtime/allocator-registry.h"
 #include "flang-rt/runtime/descriptor.h"
 #include "flang-rt/runtime/terminator.h"
+#include "flang/Runtime/CUDA/allocator.h"
 #include "flang/Runtime/CUDA/common.h"
 #include "flang/Runtime/CUDA/descriptor.h"
 #include "flang/Support/Fortran.h"

flang-rt/unittests/Runtime/CUDA/AllocatorCUF.cpp

@@ -8,10 +8,10 @@
 
 #include "cuda_runtime.h"
 #include "gtest/gtest.h"
-#include "flang-rt/cuda/allocator.h"
 #include "flang-rt/runtime/allocator-registry.h"
 #include "flang-rt/runtime/descriptor.h"
 #include "flang-rt/runtime/terminator.h"
+#include "flang/Runtime/CUDA/allocator.h"
 #include "flang/Runtime/CUDA/descriptor.h"
 #include "flang/Runtime/allocatable.h"
 #include "flang/Support/Fortran.h"

flang-rt/unittests/Runtime/CUDA/Memory.cpp

@@ -10,9 +10,9 @@
 #include "cuda_runtime.h"
 #include "../tools.h"
 #include "gtest/gtest.h"
-#include "flang-rt/cuda/allocator.h"
 #include "flang-rt/runtime/allocator-registry.h"
 #include "flang-rt/runtime/terminator.h"
+#include "flang/Runtime/CUDA/allocator.h"
 #include "flang/Runtime/CUDA/common.h"
 #include "flang/Runtime/CUDA/descriptor.h"
 #include "flang/Runtime/allocatable.h"

flang-rt/include/flang-rt/CUDA/allocator.h renamed to flang/include/flang/Runtime/CUDA/allocator.h

@@ -1,15 +1,15 @@
-//===-- include/flang-rt/cuda/allocator.h -----------------------*- C++ -*-===//
+//===-- include/flang/Runtime/CUDA/allocator.h ------------------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef FLANG_RT_CUDA_ALLOCATOR_H_
-#define FLANG_RT_CUDA_ALLOCATOR_H_
+#ifndef FORTRAN_RUNTIME_CUDA_ALLOCATOR_H_
+#define FORTRAN_RUNTIME_CUDA_ALLOCATOR_H_
 
-#include "flang/Runtime/CUDA/common.h"
+#include "common.h"
 #include "flang/Runtime/descriptor-consts.h"
 #include "flang/Runtime/entry-names.h"
 
@@ -33,4 +33,4 @@ void *CUFAllocUnified(std::size_t);
 void CUFFreeUnified(void *);
 
 } // namespace Fortran::runtime::cuda
-#endif // FLANG_RT_CUDA_ALLOCATOR_H_
+#endif // FORTRAN_RUNTIME_CUDA_ALLOCATOR_H_