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Hal Finkel 41418d17cc Add ISD::FROUND for libm round() 
All libm floating-point rounding functions, except for round(), had their own
ISD nodes. Recent PowerPC cores have an instruction for round(), and so here I'm
adding ISD::FROUND so that round() can be custom lowered as well.

For the most part, this is straightforward. I've added an intrinsic
and a matching ISD node just like those for nearbyint() and friends. The
SelectionDAG pattern I've named frnd (because ISD::FP_ROUND has already claimed
fround).

This will be used by the PowerPC backend in a follow-up commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187926 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-07 22:49:12 +00:00
..
PBQP Fix PBQP graph iterator typedefs. 2013-05-16 02:20:41 +00:00
Analysis.h Remove unused parameter. Also use the AttributeSet query methods instead of the Attribute query methods. 2013-01-18 21:50:24 +00:00
AsmPrinter.h Debug Info: use module flag to set up Dwarf version. 2013-07-02 23:40:10 +00:00
CalcSpillWeights.h Switch spill weights from a basic loop depth estimation to BlockFrequencyInfo. 2013-06-17 19:00:36 +00:00
CallingConvLower.h Use SmallVectorImpl& instead of SmallVector to avoid repeating small vector size. 2013-07-14 04:42:23 +00:00
CommandFlags.h Use function attributes to indicate that we don't want to realign the stack. 2013-08-01 21:42:05 +00:00
DAGCombine.h Refactor DAGCombinerInfo. Change the different booleans that indicate if we are before or after different runs of DAGCo, with the CombineLevel enum. 2012-12-27 06:47:41 +00:00
DFAPacketizer.h Sort the #include lines for the include/... tree with the script. 2012-12-03 17:02:12 +00:00
EdgeBundles.h Give a small negative bias to giant edge bundles. 2012-05-21 03:11:23 +00:00
FastISel.h Changed "mode: c++" => "C++" at the suggestion of Nick Lewycky. 2013-07-10 18:40:49 +00:00
FunctionLoweringInfo.h Simplify landing pad lowering. 2013-07-04 04:53:45 +00:00
GCMetadata.h GCInfoDeleter code cleanup after r175528 2013-03-01 11:40:32 +00:00
GCMetadataPrinter.h Mark unimplemented copy constructors and copy assignment operators as LLVM_DELETED_FUNCTION. 2012-09-17 06:59:23 +00:00
GCs.h Add a GC plugin for Erlang 2013-03-25 13:47:46 +00:00
GCStrategy.h Convert comments to proper Doxygen comments. 2012-06-09 00:01:45 +00:00
IntrinsicLowering.h Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
ISDOpcodes.h Add ISD::FROUND for libm round() 2013-08-07 22:49:12 +00:00
JITCodeEmitter.h Simplify code. 2013-02-09 13:29:31 +00:00
LatencyPriorityQueue.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
LexicalScopes.h Return SmallVectorImpl& instead of SmallVector& in a couple places to avoid having to specify the vector size in multiple places. 2013-07-03 04:30:58 +00:00
LinkAllAsmWriterComponents.h Add a GC plugin for Erlang 2013-03-25 13:47:46 +00:00
LinkAllCodegenComponents.h Add a GC plugin for Erlang 2013-03-25 13:47:46 +00:00
LiveInterval.h Use SmallVectorImpl& instead of SmallVector to avoid repeating small vector size. 2013-07-11 16:22:38 +00:00
LiveIntervalAnalysis.h Switch spill weights from a basic loop depth estimation to BlockFrequencyInfo. 2013-06-17 19:00:36 +00:00
LiveIntervalUnion.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
LiveRangeEdit.h Refactor LiveRangeEdit::eliminateDeadDefs. 2013-06-21 18:33:17 +00:00
LiveRegMatrix.h Sort the #include lines for the include/... tree with the script. 2012-12-03 17:02:12 +00:00
LiveStackAnalysis.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
LiveVariables.h Use SmallVectorImpl& instead of SmallVector to avoid repeating small vector size. 2013-07-11 16:22:38 +00:00
MachineBasicBlock.h Add MachineBasicBlock::addLiveIn(). 2013-07-03 23:56:20 +00:00
MachineBlockFrequencyInfo.h Add some constantness to BranchProbabilityInfo and BlockFrequnencyInfo. 2011-12-20 20:03:10 +00:00
MachineBranchProbabilityInfo.h Remove blank line before block comment. 2013-03-20 18:25:12 +00:00
MachineCodeEmitter.h Sort the #include lines for the include/... tree with the script. 2012-12-03 17:02:12 +00:00
MachineCodeInfo.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
MachineConstantPool.h Directly access objects which may change during compilation. 2013-06-17 20:41:25 +00:00
MachineDominators.h Add even more constatness in MachineDominators.h. 2013-02-16 12:36:32 +00:00
MachineFrameInfo.h Directly access objects which may change during compilation. 2013-06-17 20:41:25 +00:00
MachineFunction.h Fix comment that didn't match the method it was above 2013-04-22 20:30:50 +00:00
MachineFunctionAnalysis.h Remove unneeded "TargetMachine.h" #includes. 2013-02-09 20:54:05 +00:00
MachineFunctionPass.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
MachineInstr.h Remove dead function. 2013-07-05 23:04:55 +00:00
MachineInstrBuilder.h Reapply an improved version of r180816/180817. 2013-07-09 20:28:37 +00:00
MachineInstrBundle.h Add a getBundleEnd() function to go with the existing getBundleStart(). 2013-01-09 01:02:19 +00:00
MachineJumpTableInfo.h Sort the #include lines for the include/... tree with the script. 2012-12-03 17:02:12 +00:00
MachineLoopInfo.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
MachineMemOperand.h Add target flags to MachineMemOperands. 2013-04-27 03:54:17 +00:00
MachineModuleInfo.h Remove addFrameMove. 2013-05-16 21:02:15 +00:00
MachineModuleInfoImpls.h Rename virtual table anchors from Anchor() to anchor() for consistency with the rest of the tree. 2012-09-26 06:36:36 +00:00
MachineOperand.h MachineOperand::setIsDebug should ensure the register is /not/ a definition 2013-06-16 20:34:09 +00:00
MachinePassRegistry.h Allow targets to select the default scheduler by name. 2012-04-19 01:34:10 +00:00
MachinePostDominators.h Remove unneeded #include. 2013-03-10 01:15:14 +00:00
MachineRegisterInfo.h Handle more cases in LiveRangeEdit::eliminateDeadDefs. 2013-06-21 18:33:20 +00:00
MachineRelocation.h
MachineScheduler.h Move #include from .h to .cpp file. 2013-06-14 00:00:13 +00:00
MachineSSAUpdater.h Mark unimplemented copy constructors and copy assignment operators as LLVM_DELETED_FUNCTION. 2012-09-17 06:59:23 +00:00
MachineTraceMetrics.h Add ArrayRef constructor from None, and do the cleanups that this constructor enables 2013-05-05 00:40:33 +00:00
MachORelocation.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
Passes.h Don't leak passes if added outside of the area determined by Started/Stopped flags. 2013-08-05 11:11:11 +00:00
PseudoSourceValue.h Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
RegAllocPBQP.h Switch spill weights from a basic loop depth estimation to BlockFrequencyInfo. 2013-06-17 19:00:36 +00:00
RegAllocRegistry.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
RegisterClassInfo.h MI-Sched: Adjust regpressure limits for reserved regs. 2013-06-21 18:32:58 +00:00
RegisterPressure.h MI Sched: Track live-thru registers. 2013-07-30 19:59:12 +00:00
RegisterScavenging.h Use SmallVectorImpl::iterator/const_iterator instead of SmallVector 2013-07-03 05:01:24 +00:00
ResourcePriorityQueue.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
RuntimeLibcalls.h Add ISD::FROUND for libm round() 2013-08-07 22:49:12 +00:00
ScheduleDAG.h Use SmallVectorImpl::iterator/const_iterator instead of SmallVector 2013-07-03 05:01:24 +00:00
ScheduleDAGInstrs.h Machine Model: Add MicroOpBufferSize and resource BufferSize. 2013-06-15 04:49:57 +00:00
ScheduleDFS.h SchedDFS: Complete support for nested subtrees. 2013-01-25 06:52:27 +00:00
ScheduleHazardRecognizer.h misched: Allow disabling scoreboard hazard checking for subtargets with a 2012-06-05 03:44:32 +00:00
SchedulerRegistry.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
ScoreboardHazardRecognizer.h Sort the #include lines for the include/... tree with the script. 2012-12-03 17:02:12 +00:00
SelectionDAG.h Use SmallVectorImpl instead of SmallVector for iterators and references to avoid specifying the vector size unnecessarily. 2013-07-03 05:11:49 +00:00
SelectionDAGISel.h Access the TargetLoweringInfo from the TargetMachine object instead of caching it. The TLI may change between functions. No functionality change. 2013-06-19 21:36:55 +00:00
SelectionDAGNodes.h Put an llvm_unreachable at the end of getSplatIndex as its loop should never find all undef elements. 2013-08-06 05:41:22 +00:00
SlotIndexes.h Down-scale slot index distance to save bits. 2013-07-30 19:59:19 +00:00
TargetLoweringObjectFileImpl.h PR16493: DebugInfo with TLS on PPC crashing due to invalid relocation 2013-07-01 21:45:25 +00:00
TargetSchedule.h Machine Model: Add MicroOpBufferSize and resource BufferSize. 2013-06-15 04:49:57 +00:00
ValueTypes.h Improve diagnostics when getSizeInBits is called on the Other type. 2013-06-24 17:29:51 +00:00
ValueTypes.td Fix bit size of v64i8 and v32i16 vector types. 2013-04-15 16:11:25 +00:00
VirtRegMap.h Remove VirtRegMap::getRegAllocPref(). 2012-12-04 00:35:59 +00:00