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Bevin Hansson 4f8b0d2f56 [Intrinsic] Add fixed point saturating division intrinsics. 
Summary:
This patch adds intrinsics and ISelDAG nodes for signed
and unsigned fixed-point division:

```
llvm.sdiv.fix.sat.*
llvm.udiv.fix.sat.*
```

These intrinsics perform scaled, saturating division
on two integers or vectors of integers. They are
required for the implementation of the Embedded-C
fixed-point arithmetic in Clang.

Reviewers: bjope, leonardchan, craig.topper

Subscribers: hiraditya, jdoerfert, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D71550
2020-02-24 10:50:52 +01:00
..
GlobalISel
[GISel][KnownBits] Add a cache mechanism to speed compile time
2020-02-21 14:31:42 -08:00
MIRParser
Revert "Revert "[MIR] Target specific MIR formating and parsing""
2020-01-08 20:03:29 -08:00
PBQP
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00
AccelTable.h
[AccelTable] Remove stale comment (NFC)
2019-10-07 20:33:20 +00:00
Analysis.h
DAG: allow DAG pointer size different from memory representation.
2019-05-01 12:37:30 +00:00
AsmPrinter.h
[AsmPrinter][XRay] Omit unique ID for xray_instr_map and xray_fn_idx
2020-02-14 21:10:46 -08:00
AsmPrinterHandler.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
AtomicExpandUtils.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
BasicTTIImpl.h
TTI: Fix vectorization cost for bswap
2020-02-14 10:14:07 -08:00
BuiltinGCs.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
CalcSpillWeights.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
CallingConvLower.h
[Alignment][NFC] Remove unneeded llvm:: scoping on Align types
2019-09-27 12:54:21 +00:00
CommandFlags.inc
Revert "Reland "[DebugInfo] Enable the debug entry values feature by default""
2020-02-20 14:41:39 +01:00
CostTable.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
CSEConfigBase.h
[GlobalISel] Introduce a CSEConfigBase class to allow targets to define their own CSE configs.
2019-04-15 04:53:46 +00:00
DAGCombine.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
DbgEntityHistoryCalculator.h
[DebugInfo] Track multiple registers in DbgEntityHistoryCalculator
2019-04-10 11:28:28 +00:00
DebugHandlerBase.h
[DWARF] Emit DW_AT_call_return_pc as an address
2020-01-15 13:02:23 -08:00
DFAPacketizer.h
[DFAPacketizer] Allow up to 64 functional units
2019-11-05 15:41:42 +00:00
DIE.h
[MCStreamer] De-capitalize EmitValue EmitIntValue{,InHex}
2020-02-14 23:08:40 -08:00
DIEValue.def
[DebugInfo] Introduce DW_OP_LLVM_convert
2019-03-19 13:16:28 +00:00
DwarfStringPoolEntry.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
EdgeBundles.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ExecutionDomainFix.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ExpandReductions.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
FastISel.h
[PGO][PGSO] DAG.shouldOptForSize part.
2019-11-21 14:16:00 -08:00
FaultMaps.h
[FaultMaps] Make label formation a bit more explicit [NFC]
2019-12-19 12:38:44 -08:00
FunctionLoweringInfo.h
[SelectionDAG] Change SelectionDAGISel::{funcInfo,SDB} to use unique_ptr
2019-12-23 22:41:05 -08:00
GCMetadata.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
GCMetadataPrinter.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
GCStrategy.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
IntrinsicLowering.h
[opaque pointer types] Add a FunctionCallee wrapper type, and use it.
2019-02-01 02:28:03 +00:00
ISDOpcodes.h
[Intrinsic] Add fixed point saturating division intrinsics.
2020-02-24 10:50:52 +01:00
LatencyPriorityQueue.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LazyMachineBlockFrequencyInfo.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LexicalScopes.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LinkAllAsmWriterComponents.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LinkAllCodegenComponents.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LiveInterval.h
Use std::foo_t rather than std::foo in LLVM.
2020-02-11 15:12:51 -08:00
LiveIntervals.h
LiveIntervals: Split live intervals on multiple dead defs
2019-10-30 08:50:46 -05:00
LiveIntervalUnion.h
[LiveIntervalUnion] Expose extraction of last index in map for external users
2019-10-28 09:15:52 -07:00
LivePhysRegs.h
Recommit "[MachineVerifier] Improve verification of live-in lists."
2020-01-08 16:58:54 -08:00
LiveRangeCalc.h
Clang-formatting of some files in LiveRangeCalc header (LiveRangeCalc.h)
2019-10-17 03:12:58 +00:00
LiveRangeEdit.h
CodeGen: Use Register
2020-01-30 15:01:56 -08:00
LiveRegMatrix.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LiveRegUnits.h
[LiveRegUnits] Add phys_regs_and_masks iterator range (NFC).
2019-12-11 09:34:42 +00:00
LiveStacks.h
Sink all InitializePasses.h includes
2019-11-13 16:34:37 -08:00
LiveVariables.h
[PHIElimination] Compile time optimization for huge functions.
2020-02-05 18:10:03 -05:00
LoopTraversal.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LowLevelType.h
GlobalISel: Move getLLTForMVT/getMVTForLLT
2020-01-09 16:32:51 -05:00
MachineBasicBlock.h
[PHIElimination] Compile time optimization for huge functions.
2020-02-05 18:10:03 -05:00
MachineBlockFrequencyInfo.h
[BFI] Fix missed BFI updates in MachineSink.
2020-02-21 09:50:54 -08:00
MachineBranchProbabilityInfo.h
Sink all InitializePasses.h includes
2019-11-13 16:34:37 -08:00
MachineCombinerPattern.h
[AArch64] Fix over-eager fusing of NEON SIMD MUL/ADD
2019-12-03 15:48:37 +00:00
MachineConstantPool.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MachineDominanceFrontier.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MachineDominators.h
[PGO][PGSO] SizeOpts changes.
2019-10-28 12:57:26 -07:00
MachineFrameInfo.h
ArrayRef'ize spillCalleeSavedRegisters. NFCI.
2020-02-08 12:19:23 +01:00
MachineFunction.h
[GlobalISel]: Fix some non determinism exposed in CSE due to not notifying observers about mutations + add verification for CSE
2020-02-18 14:54:57 -08:00
MachineFunctionPass.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MachineInstr.h
[MachineInstr] Add isCandidateForCallSiteEntry predicate
2020-02-07 10:10:41 -08:00
MachineInstrBuilder.h
[GlobalISel] Change representation of shuffle masks in MachineOperand.
2020-01-13 16:55:41 -08:00
MachineInstrBundle.h
[MIBundle] Turn MachineOperandIteratorBase into a forward iterator.
2019-12-05 09:06:22 +00:00
MachineInstrBundleIterator.h
Use std::foo_t rather than std::foo in LLVM.
2020-02-11 15:12:51 -08:00
MachineJumpTableInfo.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MachineLoopInfo.h
Include static prof data when collecting loop BBs
2020-02-19 11:33:48 -08:00
MachineLoopUtils.h
[ARM][LowOverheadLoops] Remove dead loop update instructions.
2019-12-11 10:20:19 +00:00
MachineMemOperand.h
[MIR] Fix cyclic dependency of MIR formatter
2020-01-10 11:18:12 +01:00
MachineModuleInfo.h
[AsmPrinter] Delete dead takeDeletedSymbsForFunction()
2020-01-18 17:08:00 -08:00
MachineModuleInfoImpls.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MachineOperand.h
[GlobalISel] Change representation of shuffle masks in MachineOperand.
2020-01-13 16:55:41 -08:00
MachineOptimizationRemarkEmitter.h
[Remarks] Extend the RemarkStreamer to support other emitters
2020-02-04 17:16:02 -08:00
MachineOutliner.h
[MachineOutliner] Fix uninitialized variable warnings. NFCI.
2019-11-05 15:15:14 +00:00
MachinePassRegistry.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MachinePipeliner.h
Sink all InitializePasses.h includes
2019-11-13 16:34:37 -08:00
MachinePostDominators.h
[Dominators][CodeGen] Add MachinePostDominatorTree verification
2019-10-01 15:23:27 +00:00
MachineRegionInfo.h
[Dominators][AMDGPU] Don't use virtual exit node in findNearestCommonDominator. Cleanup MachinePostDominators.
2019-09-25 14:04:36 +00:00
MachineRegisterInfo.h
CodeGen: Use Register
2020-01-30 15:01:56 -08:00
MachineScheduler.h
[NFC] Move InPQueue into arguments of releaseNode
2020-01-08 22:15:32 +08:00
MachineSizeOpts.h
[PGO][PGSO] Handle MBFIWrapper
2020-01-31 09:36:55 -08:00
MachineSSAUpdater.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MachineTraceMetrics.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MachORelocation.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MacroFusion.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MBFIWrapper.h
[MBFI] Move BranchFolding::MBFIWrapper to its own files. NFC.
2020-01-28 10:58:46 -08:00
MIRFormatter.h
Revert "Revert "[MIR] Target specific MIR formating and parsing""
2020-01-08 20:03:29 -08:00
MIRPrinter.h
Fix missing C++ mode comments
2019-03-12 20:42:14 +00:00
MIRYamlMapping.h
[AArch64] Static (de)allocation of SVE stack objects.
2019-10-03 11:33:50 +00:00
ModuloSchedule.h
[ModuloSchedule] Fix a bug in experimental expander
2019-11-23 16:01:47 -08:00
NonRelocatableStringpool.h
[Dsymutil][Debuginfo][NFC] Reland: Refactor dsymutil to separate DWARF optimizing part. #2.
2020-01-08 14:15:31 +03:00
ParallelCG.h
Move CodeGenFileType enum to Support/CodeGen.h
2019-11-13 16:39:34 -08:00
Passes.h
[CodeGen] Move ARMCodegenPrepare to TypePromotion
2019-12-03 11:12:52 +00:00
PBQPRAConstraint.h
Fix misspelled filenames in file headers of llvm/{MC,Object,CodeGen}/*.h
2019-02-06 08:02:46 +00:00
PreISelIntrinsicLowering.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
PseudoSourceValue.h
Reland "[StackColoring] Remap PseudoSourceValue frame indices via MachineFunction::getPSVManager()""
2020-01-27 15:58:49 -08:00
ReachingDefAnalysis.h
[NFC][RDA] Break-up initialization code
2020-02-20 14:59:42 +00:00
RegAllocPBQP.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
RegAllocRegistry.h
CodeGen: Make RegAllocRegistry a template class
2019-02-22 19:16:52 +00:00
Register.h
Eliminate implicit Register->unsigned conversions in VirtRegMap. NFC
2019-08-13 00:55:24 +00:00
RegisterClassInfo.h
Finish moving TargetRegisterInfo::isVirtualRegister() and friends to llvm::Register as started by r367614. NFC
2019-08-01 23:27:28 +00:00
RegisterPressure.h
[NFC] Add a couple of dump routines for RegisterPressure helper classes
2019-08-15 18:49:39 +00:00
RegisterScavenging.h
RegScavenger: Use Register
2019-08-23 18:25:34 +00:00
RegisterUsageInfo.h
Sink all InitializePasses.h includes
2019-11-13 16:34:37 -08:00
ResourcePriorityQueue.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
RuntimeLibcalls.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ScheduleDAG.h
[ScheduleDAGRRList] Recompute topological ordering on demand.
2019-04-17 15:05:29 +00:00
ScheduleDAGInstrs.h
Prune Analysis includes from SelectionDAG.h
2019-10-19 01:07:48 +00:00
ScheduleDAGMutation.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ScheduleDFS.h
Fix misspelled filenames in file headers of llvm/{MC,Object,CodeGen}/*.h
2019-02-06 08:02:46 +00:00
ScheduleHazardRecognizer.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
SchedulerRegistry.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ScoreboardHazardRecognizer.h
[MC] Widen the functional unit type from 32 to 64 bits.
2020-02-24 09:37:00 +01:00
SDNodeProperties.td
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
SelectionDAG.h
[SelectionDAG] Remove SelectionDAG::getTargetMemSDNode now that its not used.
2020-02-23 15:13:50 -08:00
SelectionDAGAddressAnalysis.h
[DAGCombiner] Unify Lifetime and memory Op aliasing.
2019-03-27 14:14:46 +00:00
SelectionDAGISel.h
[AsmPrinter] De-capitalize Emit{Function,BasicBlock]* and Emit{Start,End}OfAsmFile
2020-02-13 13:22:49 -08:00
SelectionDAGNodes.h
[SelectionDAG] remove unused isFast() helper function; NFC
2020-02-21 16:58:10 -05:00
SelectionDAGTargetInfo.h
Basic codegen for MTE stack tagging.
2019-07-17 19:24:02 +00:00
SlotIndexes.h
Sink all InitializePasses.h includes
2019-11-13 16:34:37 -08:00
StackMaps.h
[StackMaps] Be explicit about label formation [NFC] (try 2)
2019-12-19 14:05:30 -08:00
StackProtector.h
Sink all InitializePasses.h includes
2019-11-13 16:34:37 -08:00
SwiftErrorValueTracking.h
GlobalISel: Remove unsigned variant of SrcOp
2019-06-24 16:16:12 +00:00
SwitchLoweringUtils.h
[PGO][PGSO] TargetLowering/TargetTransformationInfo/SwitchLoweringUtils part.
2019-10-31 13:22:56 -07:00
TailDuplicator.h
[MBP] Partial tail duplication into hot predecessors
2020-02-12 15:22:33 -08:00
TargetCallingConv.h
[Alignment][NFC] Use Align for getMemcpy/Memmove/Memset
2020-02-03 17:13:19 +01:00
TargetFrameLowering.h
ArrayRef'ize spillCalleeSavedRegisters. NFCI.
2020-02-08 12:19:23 +01:00
TargetInstrInfo.h
Add OffsetIsScalable to getMemOperandWithOffset
2020-02-18 15:53:29 +00:00
TargetLowering.h
[Intrinsic] Add fixed point saturating division intrinsics.
2020-02-24 10:50:52 +01:00
TargetLoweringObjectFileImpl.h
[NFC][XCOFF] Refactor Csect creation into TargetLoweringObjectFile
2020-01-22 12:09:11 -05:00
TargetOpcodes.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
TargetPassConfig.h
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00
TargetRegisterInfo.h
[TargetRegisterInfo] Make the heuristic to skip region split overridable by the target
2020-02-03 11:30:35 -08:00
TargetSchedule.h
Fix uninitialized variable warnings. NFCI.
2019-11-03 11:23:53 +00:00
TargetSubtargetInfo.h
[Scheduling][ARM] Consistently enable PostRA Machine scheduling
2019-11-05 10:44:55 +00:00
UnreachableBlockElim.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ValueTypes.h
[SVE][CodeGen] Scalable vector MVT size queries
2019-11-18 12:30:59 +00:00
ValueTypes.td
[MVT] Add v256i1 to MachineValueType
2019-09-20 15:19:20 +00:00
VirtRegMap.h
Eliminate implicit Register->unsigned conversions in VirtRegMap. NFC
2019-08-13 00:55:24 +00:00
WasmEHFuncInfo.h
[WebAssembly] Delete ThrowUnwindDest map from WasmEHFuncInfo
2019-03-03 22:35:56 +00:00
WinEHFuncInfo.h
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00