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Simon Pilgrim 73f143e774 [X86][SSE] Improve shuffling combining with horizontal operations 
Recognise cases when we can merge the shuffles with their horizontal (HADD/HSUB/PACK) instruction inputs.

Replaces an older implementation which performed some of this during lowering, expanding an existing target shuffle combine stage instead.

Differential Revision: https://reviews.llvm.org/D38506

llvm-svn: 315150
 		2017-10-07 12:42:23 +00:00
..
Analysis Convert an APInt to int64_t properly in TTI::getGEPCost(). 2017-10-04 20:47:33 +00:00
Assembler
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Bindings
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Bitcode Bitcode: add an auto-upgrade for LTO section name 2017-10-06 18:06:59 +00:00
BugPoint
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CodeGen [X86][SSE] Improve shuffling combining with horizontal operations 2017-10-07 12:42:23 +00:00
DebugInfo [dwarfdump] Verify that unit type matches root DIE 2017-10-06 22:27:31 +00:00
DllTool
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Examples
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ExecutionEngine Revert "Revert "ExecutionEngine: add R_AARCH64_ABS{16,32}"" 2017-09-20 21:32:44 +00:00
Feature
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FileCheck
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Instrumentation [MSan] Disable sanitization for __sanitizer_dtor_callback. 2017-09-20 22:53:08 +00:00
Integer
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JitListener
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LTO Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
LibDriver
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Linker llvm-dwarfdump: Make -brief the default and add a -verbose option instead. 2017-09-11 23:05:20 +00:00
MC [mips] implement .set dspr2 directive 2017-10-05 17:40:32 +00:00
Object Added phdr upper bound checks to ElfObject. 2017-10-05 20:01:32 +00:00
ObjectYAML [ObjectYAML] Handle SHF_COMPRESSED 2017-10-03 06:35:55 +00:00
Other [NewPassManager] Run global dead code elimination after the inliner. 2017-10-05 18:36:01 +00:00
SafepointIRVerifier
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SymbolRewriter
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TableGen TableGen support for parameterized register class information 2017-09-14 16:56:21 +00:00
ThinLTO/X86 ModuleSummaryAnalysis: Correctly handle all function operand references. 2017-09-07 05:35:35 +00:00
Transforms [InstCombine] use correct type when propagating constant condition in simplifyDivRemOfSelectWithZeroOp (PR34856) 2017-10-06 23:43:06 +00:00
Unit [lit] Make lit support config files with .py extension. 2017-09-21 00:24:52 +00:00
Verifier Move the stripping of invalid debug info from the Verifier to AutoUpgrade. 2017-10-02 18:31:29 +00:00
YAMLParser
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tools [dwarfdump] Verify that unit type matches root DIE 2017-10-06 22:27:31 +00:00
.clang-format
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CMakeLists.txt [lit] Make lit support config files with .py extension. 2017-09-21 00:24:52 +00:00
TestRunner.sh
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lit.cfg.py [lit] Improve tool substitution in lit. 2017-10-06 17:54:46 +00:00
lit.site.cfg.py.in [lit] Make lit support config files with .py extension. 2017-09-21 00:24:52 +00:00