8000 [DO NOT MERGE] Apply Rust patches on release/8.x by cuviper · Pull Request #1 · rust-lang/llvm-project · GitHub
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[DO NOT MERGE] Apply Rust patches on release/8.x #1

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[DO NOT MERGE] Apply Rust patches on release/8.x #1

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865c1f7
Add accessors for MCSubtargetInfo CPU and Feature tables
bitshifter Jul 10, 2016
122c3dc
Fix compile on dist-i686-linux builder
alexcrichton Jul 28, 2017
b73884a
Disable checks for libatomic for now
alexcrichton Jan 24, 2018
392947a
Add knowledge of __rust_{alloc,realloc,dealloc}
nagisa Jun 3, 2017
bd18bd8
Fix compile on dist-x86_64-linux builder
alexcrichton Jul 2, 2018
b1ec4cb
Compile with /MT on MSVC
alexcrichton Feb 11, 2018
1ecf8ed
Add Rust support to Mangled
tromey Jun 25, 2018
9fa3339
Add DIERef::operator==
tromey Jun 25, 2018
e6a7452
Add a missing TypeAndOrName constructor
tromey Jun 25, 2018
ea4ac97
Add Rust support to the Python test harness
tromey Jun 25, 2018
df47965
The Rust plugin
tromey Jun 25, 2018
b8bd5dc
Compute Python library suffix in CMakeLists.txt
tromey Jul 9, 2018
02ddf76
Do not crash when enum discriminant is not recognized
tromey Aug 7, 2018
0e77fbd
Use correct include path for State.h
tromey Sep 5, 2018
0322285
Add "rust-enabled" to --version output
tromey Oct 2, 2018
d957e27
Fix handling of variant parts
tromey Oct 22, 2018
463cd70
Give names to tuple fields
tromey Oct 25, 2018
945de34
Rename tuple fields after discriminant is removed
tromey Oct 26, 2018
ff0a15a
Fix field names when emitting a C structure
tromey Nov 9, 2018
28e0138
Remove by-name cache from RustASTContext
tromey Nov 9, 2018
af32307
Disable enum type test
tromey Nov 14, 2018
2ed5e5d
Read template parameters for structure types
tromey Nov 14, 2018
8027847
Read template parameters for function types
tromey Nov 14, 2018
8000 0fb81ce
Fix the build after the rebase
tromey Nov 27, 2018
a27fbee
Fix DWARFASTParserRust::ParseFunctionFromDWARF for r350943
cuviper Jan 15, 2019
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Disable checks for libatomic for now 
For whatever reason this is failing the i686-freebsd builder in the Rust repo
as-of this red-hot moment. The build seems to work fine without it so let's just
remove it for now and pray there's a better fix later.

Although if you're reading this and know of a better fix, we'd love to remove
this!
  • Loading branch information
@alexcrichton @cuviper
alexcrichton authored and cuviper committed Jan 16, 2019
commit b73884a7f2339181dab0f3d77b30bb1a73e33023
27 changes: 14 additions & 13 deletions llvm/cmake/modules/CheckAtomic.cmake
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Expand Up @@ -62,19 +62,20 @@ else()
check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITHOUT_LIB)
endif()

# If not, check if the library exists, and atomics work with it.
if(NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB)
check_library_exists(atomic __atomic_load_8 "" HAVE_CXX_LIBATOMICS64)
if(HAVE_CXX_LIBATOMICS64)
list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITH_LIB)
if (NOT HAVE_CXX_ATOMICS64_WITH_LIB)
message(FATAL_ERROR "Host compiler must support std::atomic!")
endif()
else()
message(FATAL_ERROR "Host compiler appears to require libatomic, but cannot find it.")
endif()
endif()
# RUST-SPECIFIC - commented out, see commit message
# # If not, check if the library exists, and atomics work with it.
# if(NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB)
# check_library_exists(atomic __atomic_load_8 "" HAVE_CXX_LIBATOMICS64)
# if(HAVE_CXX_LIBATOMICS64)
# list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
# check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITH_LIB)
# if (NOT HAVE_CXX_ATOMICS64_WITH_LIB)
# message(FATAL_ERROR "Host compiler must support std::atomic!")
# endif()
# else()
# message(FATAL_ERROR "Host compiler appears to require libatomic, but cannot find it.")
# endif()
# endif()

## TODO: This define is only used for the legacy atomic operations in
## llvm's Atomic.h, which should be replaced. Other code simply
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