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Heejin Ahn 9d5a089bf5 [WebAssembly] Make thread-related options consistent 
Summary:
There have been three options related to threads and users had to set
all three of them separately to get the correct compilation results.
This makes sure the relationship between the options makes sense and
sets necessary options for users if only part of the necessary options
are specified. This does:

- Remove `-matomics`; this option alone does not enable anything, so
  removed it to not confuse users.
- `-mthread-model posix` sets `-target-feature +atomics`
- `-pthread` sets both `-target-feature +atomics` and
  `-mthread-model posix`
Also errors out when explicitly given options don't match, such as
`-pthread` is given with `-mthread-model single`.

Reviewers: dschuff, sbc100, tlively, sunfish

Subscribers: jgravelle-google, jfb, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D57874

llvm-svn: 353761
 		2019-02-11 22:47:50 +00:00
..
ToolChains [WebAssembly] Make thread-related options consistent 2019-02-11 22:47:50 +00:00
Action.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
CMakeLists.txt [MSP430] Provide a toolchain description 2019-01-15 19:44:05 +00:00
Compilation.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
DarwinSDKInfo.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Distro.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Driver.cpp [WebAssembly] Make thread-related options consistent 2019-02-11 22:47:50 +00:00
DriverOptions.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
InputInfo.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Job.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Multilib.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Phases.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
SanitizerArgs.cpp Test commit: fix typo. 2019-01-24 11:44:24 +00:00
Tool.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ToolChain.cpp Rollback unwindlib patch. 2019-01-29 18:27:51 +00:00
Types.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
XRayArgs.cpp Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00