[libc++] Remove <experimental/coroutine>

We've been shipping <coroutine> since LLVM 14, so LLVM 17 won't ship the <experimental/coroutine> header per our policy for removing TSes. Differential Revision: https://reviews.llvm.org/D108697
directhex · Jan 30, 2023 · 226c444 · 226c444
1 parent 2bd8aee
commit 226c444
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Showing 53 changed files with 85 additions and 2,701 deletions.
diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt
@@ -538,11 +538,6 @@ function(cxx_add_basic_build_flags target)
     target_add_compile_flags_if_supported(${target} PRIVATE -fvisibility=hidden)
   endif()
 
-  if (LIBCXX_CONFIGURE_IDE)
-    # This simply allows IDE to process <experimental/coroutine>
-    target_add_compile_flags_if_supported(${target} PRIVATE -fcoroutines-ts)
-  endif()
-
   # Let the library headers know they are currently being used to build the
   # library.
   target_compile_definitions(${target} PRIVATE -D_LIBCPP_BUILDING_LIBRARY)

diff --git a/libcxx/docs/ReleaseNotes.rst b/libcxx/docs/ReleaseNotes.rst
@@ -44,6 +44,10 @@ Improvements and New Features
 Deprecations and Removals
 -------------------------
 
+- The ``<experimental/coroutine>`` header has been removed in this release. The ``<coroutine>`` header
+  has been shipping since LLVM 14, so the Coroutines TS implementation is being removed per our policy
+  for removing TSes.
+
 Upcoming Deprecations and Removals
 ----------------------------------
 

diff --git a/libcxx/include/CMakeLists.txt b/libcxx/include/CMakeLists.txt
@@ -773,7 +773,6 @@ set(files
   experimental/__config
   experimental/__memory
   experimental/algorithm
-  experimental/coroutine
   experimental/deque
   experimental/forward_list
   experimental/functional

diff --git a/libcxx/include/experimental/__config b/libcxx/include/experimental/__config
@@ -32,18 +32,6 @@
 #define _LIBCPP_END_NAMESPACE_LFTS_PMR _LIBCPP_END_NAMESPACE_LFTS }
 #define _VSTD_LFTS_PMR _VSTD_LFTS::pmr
 
-#if !defined(__cpp_coroutines) || __cpp_coroutines < 201703L
-#define _LIBCPP_HAS_NO_EXPERIMENTAL_COROUTINES
-#endif
-
-#define _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_COROUTINES \
-  _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace coroutines_v1 {
-
-#define _LIBCPP_END_NAMESPACE_EXPERIMENTAL_COROUTINES \
-  } _LIBCPP_END_NAMESPACE_EXPERIMENTAL
-
-#define _VSTD_CORO _VSTD_EXPERIMENTAL::coroutines_v1
-
 #define _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD \
     _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace parallelism_v2 {
 

diff --git a/libcxx/include/experimental/coroutine b/libcxx/include/experimental/coroutine