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Chandler Carruth 886f0101a7 [x86] Fix the very broken formation of vpunpck instructions in the 
target-specific shuffl DAG combines.

We were recognizing the paired shuffles backwards. This code needs to be
replaced anyways as we have the same functionality elsewhere, but I'll
do the refactoring in a follow-up, this is the minimal fix to the
behavior.

In addition to fixing miscompiles with the new vector shuffle lowering,
it also causes the canonicalization to kick in much better, selecting
the smaller encoding variants in lots of places in the new AVX path.
This still isn't quite ideal as we don't need both the shufpd and the
punpck instructions, but that'll get fixed in a follow-up patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215690 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-15 03:54:49 +00:00
autoconf Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
bindings [OCaml] Expose Llvm.get_operand_use. 2014-08-12 02:55:45 +00:00
cmake Make message about building sphinx documentation with CMake more 2014-08-14 11:57:16 +00:00
docs Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
examples Temporarily Revert "Nuke the old JIT." as it's not quite ready to 2014-08-07 22:02:54 +00:00
include Revert several FastISel commits to track down a buildbot error. 2014-08-14 19:56:28 +00:00
lib [x86] Fix the very broken formation of vpunpck instructions in the 2014-08-15 03:54:49 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test [x86] Fix the very broken formation of vpunpck instructions in the 2014-08-15 03:54:49 +00:00
tools Silencing some -Wcast-qual warnings and removing some C-style casts at the same time. NFC. 2014-08-14 13:53:19 +00:00
unittests Simplify memory ownership with std::unique_ptr. 2014-08-13 18:59:01 +00:00
utils Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format
.gitignore Add Polly to the ignored trees. 2014-06-25 13:13:36 +00:00
CMakeLists.txt Fix building with in-tree libc++abi on FreeBSD 2014-08-01 19:23:15 +00:00
CODE_OWNERS.TXT Add a sentence that all entries should include an email address. 2014-08-04 19:33:25 +00:00
configure Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
CREDITS.TXT Test commit access 2014-08-09 16:05:23 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common
Makefile.config.in Track clang r213171 2014-07-16 16:50:34 +00:00
Makefile.rules Delete support for AuroraUX. 2014-08-14 15:15:09 +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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