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llvm-project/llvm/lib
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Simon Pilgrim 6b9bf7ecbc [X86][AVX] Prefer VPBLENDW+VPBLENDD to VPBLENDVB for v16i16 blend shuffles 
Noticed while looking at D49562 codegen - we can avoid a large constant mask load and a slow VPBLENDVB select op by using VPBLENDW+VPBLENDD instead.

TODO: As discussed on the patch, we should investigate adding VPBLENDVB handling to target shuffle combining as well, that will allow us to extend this to VPBLENDW+VPBLENDW+VPBLENDD.

Differential Revision: https://reviews.llvm.org/D50074

llvm-svn: 340913
 		2018-08-29 10:51:08 +00:00
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Analysis [NFC][PassTiming] factor out generic PassTimingInfo 2018-08-28 21:06:51 +00:00
AsmParser [IR] Replace `isa<TerminatorInst>` with `isTerminator()`. 2018-08-26 09:51:22 +00:00
BinaryFormat Fix undefined behavior in r340457 2018-08-23 02:51:09 +00:00
Bitcode [IR] Replace `isa<TerminatorInst>` with `isTerminator()`. 2018-08-26 09:51:22 +00:00
CodeGen Revert r340904 "[llvm-mc] - Allow to set custom flags for debug sections." 2018-08-29 09:04:52 +00:00
DebugInfo [DWARF] Unify warning callbacks. NFC. 2018-08-23 12:43:33 +00:00
Demangle Add support for various C++14 demanglings. 2018-08-29 04:12:44 +00:00
ExecutionEngine [ORC] Replace lookupFlags in JITSymbolResolver with getResponsibilitySet. 2018-08-28 21:18:05 +00:00
FuzzMutate [IR] Replace `isa<TerminatorInst>` with `isTerminator()`. 2018-08-26 09:51:22 +00:00
Fuzzer
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IR [NFC][PassTiming] factor out generic PassTimingInfo 2018-08-28 21:06:51 +00:00
IRReader
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LTO Remove trailing space 2018-07-30 19:41:25 +00:00
LineEditor
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Linker [NFC] Remove an empty line. 2018-07-27 06:50:45 +00:00
MC [MC] fix a clang-tidy warning, NFC 2018-08-29 10:40:51 +00:00
Object [COFF] Expose an easier helper function for getting names for relocation types 2018-08-27 08:42:39 +00:00
ObjectYAML [yaml2obj] - Add a support for changing EntSize. 2018-08-07 08:11:38 +00:00
Option Re-revert "[Option] Fix PR37006 prefix choice in findNearest" 2018-05-19 16:21:01 +00:00
Passes Revert "[GVNHoist] Re-enable GVNHoist by default" 2018-07-30 20:07:33 +00:00
ProfileData [Coverage] Ignore 'unused' functions with non-zero execution counts 2018-08-07 22:25:36 +00:00
Support Start reserving x18 by default on Android targets. 2018-08-29 01:38:47 +00:00
TableGen Remove trailing space 2018-07-30 19:41:25 +00:00
Target [X86][AVX] Prefer VPBLENDW+VPBLENDD to VPBLENDVB for v16i16 blend shuffles 2018-08-29 10:51:08 +00:00
Testing [LLVMTestingSupport] Add explicit linkage to LLVMSupport 2018-04-08 06:49:17 +00:00
ToolDrivers Give llvm-lib rudimentary help output. 2018-07-14 02:29:44 +00:00
Transforms LoopSink: Don't sink into blocks without an insertion point (PR38462) 2018-08-29 06:55:27 +00:00
WindowsManifest Convert line endings of lib/WindowsManifest/CMakeLists.txt to unix. 2018-04-07 04:28:08 +00:00
XRay [XRay] Refactor loadTraceFile(...) into two (NFC) 2018-08-24 10:30:37 +00:00
CMakeLists.txt
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LLVMBuild.txt
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