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5c8b83eb7a
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Tim Northover 5c8b83eb7a X86: expand atomics in IR instead of as MachineInstrs. 
The logic for expanding atomics that aren't natively supported in
terms of cmpxchg loops is much simpler to express at the IR level. It
also allows the normal optimisations and CodeGen improvements to help
out with atomics, instead of using a limited set of possible
instructions..

rdar://problem/13496295

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212119 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-01 18:53:31 +00:00
autoconf Remove path_tclsh.m4. 2014-06-02 12:54:32 +00:00
bindings [OCaml] Documentation improvements. 2014-06-30 16:53:53 +00:00
cmake cmake: Don't do anything for LLVM_ENABLE_ASSERTIONS=OFF 2014-06-27 18:17:30 +00:00
docs [docs] Fix a mangled sentence. 2014-07-01 18:22:32 +00:00
examples
include [PeepholeOptimizer] Advanced rewriting of copies to avoid cross register banks 2014-07-01 14:33:36 +00:00
lib X86: expand atomics in IR instead of as MachineInstrs. 2014-07-01 18:53:31 +00:00
projects
test X86: expand atomics in IR instead of as MachineInstrs. 2014-07-01 18:53:31 +00:00
tools Add the -arch flag support to llvm-size like what was done to llvm-nm 2014-07-01 17:19:10 +00:00
unittests Remove unused typedef. GCC warns about this. 2014-07-01 15:39:32 +00:00
utils Revert "Introduce a string_ostream string builder facilty" 2014-06-26 22:52:05 +00:00
.arcconfig
.clang-format
.gitignore Add Polly to the ignored trees. 2014-06-25 13:13:36 +00:00
CMakeLists.txt Delete utils/FileUpdate. 2014-06-23 17:58:39 +00:00
CODE_OWNERS.TXT ARM Linux support 2014-04-02 23:03:28 +00:00
configure Touch configure to force clang's config.h.in reconfiguration on the build servers 2014-06-06 10:36:38 +00:00
CREDITS.TXT
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile
Makefile.common
Makefile.config.in
Makefile.rules [Make] Fix dependencies for td.expanded 2014-06-20 19:00:41 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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