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Nate Begeman 9008ca6b6b 2nd attempt, fixing SSE4.1 issues and implementing feedback from duncan.
PR2957

ISD::VECTOR_SHUFFLE now stores an array of integers representing the shuffle
mask internal to the node, rather than taking a BUILD_VECTOR of ConstantSDNodes
as the shuffle mask.  A value of -1 represents UNDEF.

In addition to eliminating the creation of illegal BUILD_VECTORS just to 
represent shuffle masks, we are better about canonicalizing the shuffle mask,
resulting in substantially better code for some classes of shuffles.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70225 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27 18:41:29 +00:00
autoconf Support --with-llvmgccdir and friends in llvmc, take 2. 2009-04-21 19:46:10 +00:00
bindings Fix ocaml bindings; add "available_externally" linkage type. 2009-04-13 07:02:32 +00:00
cmake CMake: Added notes pointing to the LLVM CMake documentation. 2009-04-04 22:52:02 +00:00
docs Fix some confusion in the Ada f-e build instructions between 2009-04-27 11:21:35 +00:00
examples silence a warning. 2009-04-15 00:16:05 +00:00
include 2nd attempt, fixing SSE4.1 issues and implementing feedback from duncan. 2009-04-27 18:41:29 +00:00
lib 2nd attempt, fixing SSE4.1 issues and implementing feedback from duncan. 2009-04-27 18:41:29 +00:00
projects Revert r67655 and r67656, as they are breaking the build. I'm 2009-03-25 00:52:11 +00:00
runtime Drop toy GC runtime. 2009-03-02 03:46:48 +00:00
test 2nd attempt, fixing SSE4.1 issues and implementing feedback from duncan. 2009-04-27 18:41:29 +00:00
tools Print statistics for each record kind saying the number of bits 2009-04-27 18:15:27 +00:00
unittests Add a new TypeBuilder helper class, which eases making LLVM IR types. 2009-04-25 22:14:04 +00:00
utils 2nd attempt, fixing SSE4.1 issues and implementing feedback from duncan. 2009-04-27 18:41:29 +00:00
website
win32 Update hand-crafted VC++ build. 2009-02-02 19:22:02 +00:00
Xcode
build-for-llvm-top.sh Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
CMakeLists.txt CMake: Added notes pointing to the LLVM CMake documentation. 2009-04-04 22:52:02 +00:00
configure Support --with-llvmgccdir and friends in llvmc, take 2. 2009-04-21 19:46:10 +00:00
CREDITS.TXT Test commit access to LLVM with some minor narcissism. 2009-04-03 21:41:52 +00:00
LICENSE.TXT Another great year for LLVM! 2009-02-26 15:17:13 +00:00
llvm.spec.in
Makefile Use a bigger hammer to coerce subversion into english. 2009-04-24 17:00:03 +00:00
Makefile.common
Makefile.config.in Add a --enable-profiling option to configure to build Debug+Profile and 2009-04-17 14:49:22 +00:00
Makefile.rules Support --with-llvmgccdir and friends in llvmc, take 2. 2009-04-21 19:46:10 +00:00
ModuleInfo.txt Patch to build llvm with srcdir != objdir from 2009-01-23 08:42:38 +00:00
README.txt README.txt: test commit w/blank line appended 2009-03-23 21:00:45 +00:00

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