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llvm-mirror/lib/IR
Ayal Zaks dca1c68e5c [LV] Avoid redundant operations manipulating masks
The Loop Vectorizer generates redundant operations when manipulating masks:
AND with true, OR with false, compare equal to true. Instead of relying on
a subsequent pass to clean them up, this patch avoids generating them.

Use null (no-mask) to represent all-one full masks, instead of a constant
all-one vector, following the convention of masked gathers and scatters.

Preparing for a follow-up VPlan patch in which these mask manipulating
operations are modeled using recipes.

Differential Revision: https://reviews.llvm.org/D35725

llvm-svn: 309558
2017-07-31 13:21:42 +00:00
..
AsmWriter.cpp Debug Info: Add a file: field to DIImportedEntity. 2017-07-19 00:09:54 +00:00
AttributeImpl.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-06-19 22:05:08 +00:00
Attributes.cpp Define behavior of "stack-probe-size" attribute when inlining. 2017-06-22 23:22:36 +00:00
AttributesCompatFunc.td
AutoUpgrade.cpp Remove the obsolete offset parameter from @llvm.dbg.value 2017-07-28 20:21:02 +00:00
BasicBlock.cpp Restrict the definition of loop preheader to avoid EH blocks 2017-06-22 23:27:16 +00:00
CMakeLists.txt [SafepointIRVerifier] Add verifier pass for finding GC relocation bugs 2017-07-05 01:16:29 +00:00
Comdat.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ConstantFold.cpp [ConstantFolder] Don't try to fold gep when the idx is a vector. 2017-07-27 22:20:44 +00:00
ConstantFold.h IR: Introduce inrange attribute on getelementptr indices. 2016-11-10 22:34:55 +00:00
ConstantRange.cpp [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-06-19 22:05:08 +00:00
Constants.cpp [IR] Implement Constant::isNegativeZeroValue/isZeroValue/isAllOnesValue/isOneValue/isMinSignedValue for ConstantDataVector without going through getElementAsConstant 2017-07-15 22:06:19 +00:00
ConstantsContext.h [IR] Stop deleting other signatures of User::operator new when we override one signature in a class derived from User 2017-06-12 23:25:15 +00:00
Core.cpp IR/Core.cpp: Prune unused "llvm/Bitcode/BitcodeReader.h". 2017-07-17 04:31:23 +00:00
DataLayout.cpp Support, IR, ADT: Check nullptr after allocation with malloc/realloc or calloc 2017-07-20 01:30:39 +00:00
DebugInfo.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
DebugInfoMetadata.cpp Debug Info: Add a file: field to DIImportedEntity. 2017-07-19 00:09:54 +00:00
DebugLoc.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
DiagnosticInfo.cpp Migrate PGOMemOptSizeOpt to use new OptimizationRemarkEmitter Pass 2017-07-30 00:35:33 +00:00
DiagnosticPrinter.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
DIBuilder.cpp Remove the obsolete offset parameter from @llvm.dbg.value 2017-07-28 20:21:02 +00:00
Dominators.cpp [Dominators] Move root-finding out of DomTreeBase and simplify it 2017-07-26 18:07:40 +00:00
Function.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
GCOV.cpp [gcov] Sort file info before printing it 2017-04-26 00:16:10 +00:00
Globals.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
GVMaterializer.cpp
InlineAsm.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
Instruction.cpp Enhance synchscope representation 2017-07-11 22:23:00 +00:00
Instructions.cpp Enhance synchscope representation 2017-07-11 22:23:00 +00:00
IntrinsicInst.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
IRBuilder.cpp [LV] Avoid redundant operations manipulating masks 2017-07-31 13:21:42 +00:00
IRPrintingPasses.cpp Implement getPassName() for IR printing passes. 2017-03-10 07:09:20 +00:00
LegacyPassManager.cpp [PM] Use range-based for loops in LegacyPassManager.cpp (NFC). 2017-07-13 10:52:00 +00:00
LLVMBuild.txt Move Object format code to lib/BinaryFormat. 2017-06-07 03:48:56 +00:00
LLVMContext.cpp Fix unused variable warnings 2017-07-12 00:15:53 +00:00
LLVMContextImpl.cpp Enhance synchscope representation 2017-07-11 22:23:00 +00:00
LLVMContextImpl.h Debug Info: Add a file: field to DIImportedEntity. 2017-07-19 00:09:54 +00:00
Mangler.cpp Move llvm::emitLinkerFlagsForGlobalCOFF() to Mangler. 2017-03-31 04:46:50 +00:00
MDBuilder.cpp Add function importing info from samplepgo profile to the module summary. 2017-02-28 18:09:44 +00:00
Metadata.cpp [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-06-19 22:05:08 +00:00
MetadataImpl.h
Module.cpp Normalize constructor call syntax, NFCI. 2017-07-18 08:36:22 +00:00
ModuleSummaryIndex.cpp [cfi] CFI-ICall for ThinLTO. 2017-06-16 00:18:29 +00:00
Operator.cpp [IR] Remove some unneeded includes from Operator.h and fix cpp files that were transitively depending on it. NFC 2017-03-20 05:08:41 +00:00
OptBisect.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
Pass.cpp Cleanup dump() functions. 2017-01-28 02:02:38 +00:00
PassManager.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
PassRegistry.cpp [LegacyPassManager] Remove TargetMachine constructors 2017-05-18 17:21:13 +00:00
ProfileSummary.cpp
SafepointIRVerifier.cpp [SafepointIRVerifier] Avoid false positives in GC verifier for compare between pointers 2017-07-07 13:02:29 +00:00
Statepoint.cpp [Statepoint] Add helper functions for GCRelocate and GCResult 2017-06-20 20:54:57 +00:00
SymbolTableListTraitsImpl.h
Type.cpp [IR] Add Type::isIntOrIntVectorTy(unsigned) similar to the existing isIntegerTy(unsigned), but also works for vectors. 2017-07-09 07:04:03 +00:00
TypeFinder.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
Use.cpp
User.cpp [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
Value.cpp [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
ValueSymbolTable.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ValueTypes.cpp [MVT] add v1i1 MVT 2017-05-18 11:29:41 +00:00
Verifier.cpp Add element atomic memset intrinsic 2017-07-12 21:57:23 +00:00