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fa30317850
llvm-mirror/utils/TableGen
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Roman Tereshin fa30317850 [GlobalISel][InstructionSelect] Removing redundant num operands and nested def operands checks, perf patch 2 
This patch continues a series of patches that decrease time spent by
GlobalISel in its InstructionSelect pass by roughly 60% for -O0 builds
for large inputs as measured on sqlite3-amalgamation
(http://sqlite.org/download.html) targeting AArch64.

This commit specifically removes number of operands checks that are
redundant if the instruction's opcode already guarantees that number
of operands (or more), and also avoids any kind of checks on a def
operand of a nested instruction as everything about it was already
checked at its use.

The expected performance implication is about 3% off InstructionSelect
comparing to the baseline (before the series of patches)

This patch also contains a bit of NFC changes required for further
patches in the series.

Every commit planned shares the same Phabricator Review.

Reviewers: qcolombet, dsanders, bogner, aemerson, javed.absar

Reviewed By: qcolombet

Subscribers: rovka, llvm-commits, kristof.beyls

Differential Revision: https://reviews.llvm.org/D44700

llvm-svn: 332945
2018-05-22 04:31:50 +00:00
..
AsmMatcherEmitter.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
AsmWriterEmitter.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
AsmWriterInst.cpp [TableGen] Remove the CGIOpNo from AsmWriterOperand as its not used for anything. NFC 2016-01-22 05:59:37 +00:00
AsmWriterInst.h [TableGen] Reorder fields in AsmWriterOperand to remove padding and reduce size. NFC 2016-01-22 05:59:40 +00:00
Attributes.cpp Remove redundant includes from utils/TableGen. 2017-12-13 21:31:13 +00:00
CallingConvEmitter.cpp [TableGen] Simplify CallingConvEmitter.cpp. NFC. 2017-10-16 14:52:26 +00:00
CMakeLists.txt [WebAssembly] Initial Disassembler. 2018-05-10 22:16:44 +00:00
CodeEmitterGen.cpp [tablegen] Avoid creating a temporary vector in getInstructionCase 2017-07-04 06:16:53 +00:00
CodeGenDAGPatterns.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
CodeGenDAGPatterns.h [TableGen] Print more helpful information in case of type contradiction 2017-12-21 17:12:43 +00:00
CodeGenHwModes.cpp TableGen support for parameterized register class information 2017-09-14 16:56:21 +00:00
CodeGenHwModes.h TableGen support for parameterized register class information 2017-09-14 16:56:21 +00:00
CodeGenInstruction.cpp [globalisel][tablegen] Generalize pointer-type inference by introducing ptypeN. NFC 2017-11-18 00:16:44 +00:00
CodeGenInstruction.h Fix layering of MachineValueType.h by moving it from CodeGen to Support 2018-03-23 23:58:25 +00:00
CodeGenIntrinsics.h Fix layering of MachineValueType.h by moving it from CodeGen to Support 2018-03-23 23:58:25 +00:00
CodeGenMapTable.cpp [mips] Improve diagnostics for instruction mapping 2018-01-08 16:25:40 +00:00
CodeGenRegisters.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
CodeGenRegisters.h Fix layering of MachineValueType.h by moving it from CodeGen to Support 2018-03-23 23:58:25 +00:00
CodeGenSchedule.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
CodeGenSchedule.h [Tablegen] Simplify code in CodeGenSchedule. NFCI 2018-04-26 12:56:26 +00:00
CodeGenTarget.cpp Remove \brief commands from doxygen comments. 2018-05-01 15:54:18 +00:00
CodeGenTarget.h [MachineOperand][Target] MachineOperand::isRenamable semantics changes 2018-02-23 18:25:08 +00:00
CTagsEmitter.cpp [TableGen] Change std::sort to llvm::sort in response to r327219 2018-04-06 20:18:05 +00:00
DAGISelEmitter.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
DAGISelMatcher.cpp Remove redundant includes from utils/TableGen. 2017-12-13 21:31:13 +00:00
DAGISelMatcher.h Fix layering of MachineValueType.h by moving it from CodeGen to Support 2018-03-23 23:58:25 +00:00
DAGISelMatcherEmitter.cpp [SelectionDAG] Add a isel matcher op to check the type of node results other than result 0. 2017-11-22 07:11:01 +00:00
DAGISelMatcherGen.cpp TableGen support for parameterized register class information 2017-09-14 16:56:21 +00:00
DAGISelMatcherOpt.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
DFAPacketizerEmitter.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
DisassemblerEmitter.cpp [WebAssembly] Initial Disassembler. 2018-05-10 22:16:44 +00:00
FastISelEmitter.cpp [TableGen] Change std::sort to llvm::sort in response to r327219 2018-04-06 20:18:05 +00:00
FixedLenDecoderEmitter.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
GlobalISelEmitter.cpp [GlobalISel][InstructionSelect] Removing redundant num operands and nested def operands checks, perf patch 2 2018-05-22 04:31:50 +00:00
InfoByHwMode.cpp [TableGen] Change std::sort to llvm::sort in response to r327219 2018-04-06 20:18:05 +00:00
InfoByHwMode.h Fix layering of MachineValueType.h by moving it from CodeGen to Support 2018-03-23 23:58:25 +00:00
InstrDocsEmitter.cpp [Docs] Add tablegen backend for target opcode documentation 2017-11-14 15:35:15 +00:00
InstrInfoEmitter.cpp [MachineOperand][Target] MachineOperand::isRenamable semantics changes 2018-02-23 18:25:08 +00:00
IntrinsicEmitter.cpp NFC - Typo fixes lib/VMCore -> lib/IR 2018-04-30 10:18:11 +00:00
LLVMBuild.txt Add missing dependency (headers are included from MC, so a link dependency could exist easily enough) 2018-03-29 00:29:43 +00:00
OptParserEmitter.cpp [Bash-autocompletion] Add support for -std= 2017-08-29 02:01:56 +00:00
PseudoLoweringEmitter.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
RegisterBankEmitter.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
RegisterInfoEmitter.cpp [TableGen] Change std::sort to llvm::sort in response to r327219 2018-04-06 20:18:05 +00:00
RISCVCompressInstEmitter.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
SDNodeProperties.cpp TableGen: Allow setting SDNodeProperties on intrinsics 2017-12-20 19:36:28 +00:00
SDNodeProperties.h TableGen: Allow setting SDNodeProperties on intrinsics 2017-12-20 19:36:28 +00:00
SearchableTableEmitter.cpp TableGen: Support Intrinsic values in SearchableTable 2018-04-01 17:08:58 +00:00
SequenceToOffsetTable.h Remove usages of deprecated std::unary_function and std::binary_function. 2017-09-14 18:33:25 +00:00
SubtargetEmitter.cpp Rename DEBUG macro to LLVM_DEBUG. 2018-05-14 12:53:11 +00:00
SubtargetFeatureInfo.cpp IWYU for llvm-config.h in llvm, additions. 2018-04-30 14:59:11 +00:00
SubtargetFeatureInfo.h Remove \brief commands from doxygen comments. 2018-05-01 15:54:18 +00:00
TableGen.cpp [RISCV] Tablegen-driven Instruction Compression. 2018-04-06 21:07:05 +00:00
TableGenBackends.h [RISCV] Tablegen-driven Instruction Compression. 2018-04-06 21:07:05 +00:00
tdtags
Types.cpp [globalisel][tablegen] Import SelectionDAG's rule predicates and support the equivalent in GIRule. 2017-04-21 15:59:56 +00:00
Types.h Check that emitted instructions meet their predicates on all targets except ARM, Mips, and X86. 2016-11-19 13:05:44 +00:00
WebAssemblyDisassemblerEmitter.cpp [WebAssembly] Initial Disassembler. 2018-05-10 22:16:44 +00:00
WebAssemblyDisassemblerEmitter.h [WebAssembly] Initial Disassembler. 2018-05-10 22:16:44 +00:00
X86DisassemblerShared.h [X86] Use unique_ptr to simplify memory management. NFC 2018-03-24 07:15:47 +00:00
X86DisassemblerTables.cpp [X86] Remove DATA32_PREFIX. Hack the printing for DATA16_PREFIX to print 'data32' in 16-bit mode. Hack the asm parser to convert 'data32' to 'data16' in 16-bit mode. 2018-04-22 00:52:02 +00:00
X86DisassemblerTables.h [X86] Add a new disassembler opcode map for 3DNow. Stop treating 3DNow as an attribute. 2018-03-24 07:48:54 +00:00
X86EVEX2VEXTablesEmitter.cpp Don't repeatedly evaluate size() in the for loop. NFCI. 2018-04-11 22:24:48 +00:00
X86FoldTablesEmitter.cpp X86FoldTableEntry - avoid unnecessary std::string creation. NFCI. 2018-04-11 23:08:30 +00:00
X86ModRMFilters.cpp
X86ModRMFilters.h fix trivial typos in comments; NFC 2017-07-04 13:09:29 +00:00
X86RecognizableInstr.cpp [X86] movdiri and movdir64b instructions 2018-05-01 10:01:16 +00:00
X86RecognizableInstr.h Remove \brief commands from doxygen comments. 2018-05-01 15:54:18 +00:00