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Kristina Brooks 312fcc116b [X86] Support for the mno-tls-direct-seg-refs flag 
Allows to disable direct TLS segment access (%fs or %gs). GCC supports
a similar flag, it can be useful in some circumstances, e.g. when a thread
context block needs to be updated directly from user space. More info
and specific use cases: https://bugs.llvm.org/show_bug.cgi?id=16145

There is another revision for clang as well.
Related: D53102

All X86 CodeGen tests appear to pass:
```
[46/47] Running lit suite /SourceCache/llvm-trunk-8.0/test/CodeGen
Testing Time: 23.17s
  Expected Passes    : 3801
  Expected Failures  : 15
  Unsupported Tests  : 8021
```

Reviewed by: Craig Topper.

Patch by nruslan (Ruslan Nikolaev).

Differential Revision: https://reviews.llvm.org/D53103

llvm-svn: 344723
 		2018-10-18 03:14:37 +00:00
..
Analysis [TI removal] Switch an analysis to just use Instruction. 2018-10-18 00:36:15 +00:00
AsmParser Emit template type and value parameter DIEs for template variables. 2018-10-03 18:44:53 +00:00
BinaryFormat Revert r343317 2018-09-28 17:01:50 +00:00
Bitcode Emit template type and value parameter DIEs for template variables. 2018-10-03 18:44:53 +00:00
CodeGen Revert "[WebAssembly] LSDA info generation" 2018-10-16 18:50:09 +00:00
DebugInfo [DwarfVerifier] Fixed -Wimplicit-fallthrough warning 2018-10-10 20:10:37 +00:00
Demangle Port libcxxabi r344607 into llvm 2018-10-17 18:50:25 +00:00
ExecutionEngine [ORC] Make the VModuleKey optional, propagate it via MaterializationUnit and 2018-10-16 20:13:06 +00:00
FuzzMutate [New PM] Introducing PassInstrumentation framework 2018-09-20 17:08:45 +00:00
Fuzzer
…
IR [Intrinsic] Signed Saturation Addition Intrinsic 2018-10-16 17:35:41 +00:00
IRReader
…
LTO [NewPM] teach -passes= to emit meaningful error messages 2018-10-17 10:36:23 +00:00
LineEditor
…
Linker llvm-link: Improve diagnostic for module-level metadata mismatch 2018-10-09 01:17:27 +00:00
MC Revert "[WebAssembly] LSDA info generation" 2018-10-16 18:50:09 +00:00
Object llvm-ar: Darwin archive format fixes. 2018-10-10 21:07:02 +00:00
ObjectYAML [WebAssembly] Add V128 value type to binary format 2018-09-20 22:04:44 +00:00
OptRemarks Reland: [OptRemarks] Add library for parsing optimization remarks 2018-10-10 18:43:42 +00:00
Option [opt] Change the parameter of OptTable::PrintHelp from Name to Usage and don't append "[options] <inputs>" 2018-10-10 00:15:31 +00:00
Passes [NewPM] teach -passes= to emit meaningful error messages 2018-10-17 10:36:23 +00:00
ProfileData Support for remapping profile data when symbols change, for sample-based 2018-10-10 21:31:01 +00:00
Support Port libcxxabi r344607 into llvm 2018-10-17 18:50:25 +00:00
TableGen [TableGen] fix assert in !cast when used out of definition in a multiclass 2018-10-10 10:52:57 +00:00
Target [X86] Support for the mno-tls-direct-seg-refs flag 2018-10-18 03:14:37 +00:00
Testing Fix error with SmallString implicit conversion. 2018-09-06 22:47:32 +00:00
ToolDrivers [opt] Change the parameter of OptTable::PrintHelp from Name to Usage and don't append "[options] <inputs>" 2018-10-10 00:15:31 +00:00
Transforms [TI removal] Switch simple loop unswitch to `Instruction`. 2018-10-18 00:40:26 +00:00
WindowsManifest Convert line endings of lib/WindowsManifest/CMakeLists.txt to unix. 2018-04-07 04:28:08 +00:00
XRay Use the container form llvm::sort(C, ...) 2018-09-30 22:31:29 +00:00
CMakeLists.txt Reland: [OptRemarks] Add library for parsing optimization remarks 2018-10-10 18:43:42 +00:00
LLVMBuild.txt Reland: [OptRemarks] Add library for parsing optimization remarks 2018-10-10 18:43:42 +00:00