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34630b6ea9
llvm-6502/lib
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Simon Pilgrim 34630b6ea9 [X86][SSE] Avoid vector byte shuffles with zero by using pshufb to create zeros 
pshufb can shuffle in zero bytes as well as bytes from a source vector - we can use this to avoid having to shuffle 2 vectors and ORing the result when the used inputs from a vector are all zeroable.

Differential Revision: http://reviews.llvm.org/D6878



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225551 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-09 22:03:19 +00:00
..
Analysis remove names from comments; NFC 2015-01-09 16:47:20 +00:00
AsmParser IR: Add 'distinct' MDNodes to bitcode and assembly 2015-01-08 22:38:29 +00:00
Bitcode Revert "Bitcode: Move the DEBUG_LOC record to DEBUG_LOC_OLD" 2015-01-09 17:53:27 +00:00
CodeGen Recommit r224935 with a fix for the ObjC++/AArch64 bug that that revision 2015-01-09 18:55:42 +00:00
DebugInfo Implement a very basic colored syntax highlighting for llvm-dwarfdump. 2015-01-06 16:50:25 +00:00
ExecutionEngine RTDyldMemoryManager.cpp: Make the reference to __morestack weak. 2014-12-30 22:52:33 +00:00
IR Cleaup ValueHandle to no longer keep a PointerIntPair for the Value*. 2015-01-09 00:48:47 +00:00
IRReader Remove unused variable. NFC. 2014-11-06 23:16:57 +00:00
LineEditor
Linker Linker: Don't use MDNode::replaceOperandWith() 2015-01-07 21:32:27 +00:00
LTO LTO: Lazy-load LTOModule in local contexts 2014-12-17 22:05:42 +00:00
MC Recommit r224935 with a fix for the ObjC++/AArch64 bug that that revision 2015-01-09 18:55:42 +00:00
Object Don't loop endlessly for MachO files with 0 ncmds 2015-01-06 17:08:26 +00:00
Option Add an overload of getLastArgNoClaim taking two OptSpecifiers. 2014-09-12 19:42:53 +00:00
ProfileData llvm-cov: Sink some reporting logic into CoverageMapping 2014-11-14 01:50:32 +00:00
Support Triple: Add amdgcn triple 2015-01-06 18:00:00 +00:00
TableGen Clean up static analyzer warnings. 2014-12-12 21:48:03 +00:00
Target [X86][SSE] Avoid vector byte shuffles with zero by using pshufb to create zeros 2015-01-09 22:03:19 +00:00
Transforms Remove duplicating code. NFC. 2015-01-09 20:36:19 +00:00
CMakeLists.txt
LLVMBuild.txt
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