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Sanjay Patel 7ea151449d [X86, AVX] try to lowerVectorShuffleAsElementInsertion() for all 256-bit vector sub-types 
I suggested this change in D7898 (http://llvm.org/viewvc/llvm-project?view=revision&revision=231354)

It improves the v4i64 case although not optimally. This AVX codegen:

  vmovq {{.*#+}} xmm0 = mem[0],zero
  vxorpd %ymm1, %ymm1, %ymm1
  vblendpd {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3]

Becomes:

  vmovsd {{.*#+}} xmm0 = mem[0],zero

Unfortunately, this doesn't completely solve PR22685. There are still at least 2 problems under here:

    We're not handling v32i8 / v16i16.
    We're not getting the FP / int domains right for instruction selection.

But since this patch alone appears to do no harm, reduces code duplication, and helps v4i64, 
I'm submitting this patch ahead of fixing the above.

Differential Revision: http://reviews.llvm.org/D8341



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233704 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-31 16:32:11 +00:00
autoconf [ADT][CMake][AutoConf] Fail-fast iterators for DenseMap 2015-03-26 19:25:01 +00:00
bindings Go bindings: use MDNode::replaceAllUsesWith instead of MDTuple::replaceAllUsesWith. 2015-03-05 22:55:38 +00:00
cmake [CMake] Removing duplicates from the list of test suites to generate targets for. 2015-03-27 21:45:49 +00:00
docs [docs] add cross-reference 2015-03-31 15:07:53 +00:00
examples llvm/examples: Suppress building a few JIT examples. 2015-03-31 00:03:43 +00:00
include Make llc use getHostCPUFeatures when 'native' is specified for cpu. 2015-03-31 05:52:57 +00:00
lib [X86, AVX] try to lowerVectorShuffleAsElementInsertion() for all 256-bit vector sub-types 2015-03-31 16:32:11 +00:00
projects Reverse the order libc++ and libc++abi are added in CMake. 2015-03-04 01:16:43 +00:00
test [X86, AVX] try to lowerVectorShuffleAsElementInsertion() for all 256-bit vector sub-types 2015-03-31 16:32:11 +00:00
tools Make llc use getHostCPUFeatures when 'native' is specified for cpu. 2015-03-31 05:52:57 +00:00
unittests Verifier: Move over DISubprogram::Verify() 2015-03-31 02:09:55 +00:00
utils [MCInstPrinter] Enable MCInstPrinter to change its behavior based on the 2015-03-27 20:36:02 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore Ignore compile_commands.json only at the root of the tree. 2015-03-26 18:55:42 +00:00
CMakeLists.txt CMake: enable installing utils 2015-03-27 16:53:06 +00:00
CODE_OWNERS.TXT Tom is also responsible for the 3.6 branch. 2015-03-16 18:15:27 +00:00
configure [ADT][CMake][AutoConf] Fail-fast iterators for DenseMap 2015-03-26 19:25:01 +00:00
CREDITS.TXT
LICENSE.TXT Update for a new year. 2015-03-12 01:25:29 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
Makefile.rules Add support for SunOS function/data sections and associated 2015-03-03 20:54:29 +00:00
README.txt Revert test commit at revision 233535. 2015-03-30 12:39:03 +00:00

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