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llvm-mirror/include/llvm/CodeGen
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Robert Lougher ac5d349432 Trace copies when checking for rematerializability in spill weight calculation 
PR24139 contains an analysis of poor register allocation. One of the findings
was that when calculating the spill weight, a rematerializable interval once
split is no longer rematerializable. This is because the isRematerializable
check in CalcSpillWeights.cpp does not follow the copies introduced by live
range splitting (after splitting, the live interval register definition is a
copy which is not rematerializable).

Reviewers: qcolombet

Differential Revision: http://reviews.llvm.org/D11686

llvm-svn: 244439
2015-08-10 11:59:44 +00:00
..
MIRParser MIR Serialization: Connect the machine function analysis pass to the MIR parser. 2015-06-15 20:30:22 +00:00
PBQP Add more missing #includes, found by modules build. 2015-05-11 22:41:07 +00:00
Analysis.h Fix some comment typos. 2015-08-08 18:27:36 +00:00
AsmPrinter.h Implement target independent TLS compatible with glibc's emutls.c. 2015-07-28 16:24:05 +00:00
AtomicExpandUtils.h Refactor AtomicExpand::expandAtomicRMWToCmpXchg into a standalone function. 2015-08-03 15:29:47 +00:00
BasicTTIImpl.h [TTI] Fix default costs for interleaved accesses 2015-08-03 14:00:58 +00:00
CalcSpillWeights.h Trace copies when checking for rematerializability in spill weight calculation 2015-08-10 11:59:44 +00:00
CallingConvLower.h Remove 3 includes from MCInstrDesc.h and explicitly include them where needed 2015-05-15 21:58:42 +00:00
CommandFlags.h Implement target independent TLS compatible with glibc's emutls.c. 2015-07-28 16:24:05 +00:00
DAGCombine.h
DFAPacketizer.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
DIE.h AsmPrinter: Stop inheriting from DIE 2015-08-02 20:54:50 +00:00
DIEValue.def Reapply "AsmPrinter: Change DIEValue to be stored by value" 2015-05-27 22:14:58 +00:00
DwarfStringPoolEntry.h AsmPrinter: Avoid creating symbols in DwarfStringPool 2015-05-24 16:58:59 +00:00
EdgeBundles.h [modules] "Specialize" a function by actually specializing a function template 2014-04-24 18:27:29 +00:00
FastISel.h Use MCSymbols for FastISel. 2015-06-23 12:21:54 +00:00
FaultMaps.h Revert "[FaultMaps] Move FaultMapParser to Object/" 2015-06-23 20:09:03 +00:00
FunctionLoweringInfo.h [StatepointLowering] Support of the gc.relocates for invoke statepoints. 2015-05-20 11:37:25 +00:00
GCMetadata.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
GCMetadataPrinter.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
GCs.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
GCStrategy.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
IntrinsicLowering.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
ISDOpcodes.h Fix __builtin_setjmp in combination with sjlj exception handling. 2015-07-16 22:34:16 +00:00
LatencyPriorityQueue.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LexicalScopes.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LinkAllAsmWriterComponents.h Add a GC plugin for Erlang 2013-03-25 13:47:46 +00:00
LinkAllCodegenComponents.h Add a GCStrategy for CoreCLR 2015-05-20 01:07:23 +00:00
LiveInterval.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LiveIntervalAnalysis.h LiveInterval: Document and enforce rules about empty subranges. 2015-07-16 18:55:35 +00:00
LiveIntervalUnion.h RAGreedy: Keep track of allocated PhysRegs internally 2015-07-14 17:38:17 +00:00
LivePhysRegs.h LivePhysRegs: Add support to add pristine registers when populating with live-in/live-out registers. 2015-07-01 17:17:17 +00:00
LiveRangeEdit.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LiveRegMatrix.h MachineRegisterInfo: Remove UsedPhysReg infrastructure 2015-07-14 17:52:07 +00:00
LiveStackAnalysis.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LiveVariables.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachineBasicBlock.h Revert r244154 which causes some build failure. See https://llvm.org/bugs/show_bug.cgi?id=24377. 2015-08-06 18:17:29 +00:00
MachineBlockFrequencyInfo.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachineBranchProbabilityInfo.h Revert r244154 which causes some build failure. See https://llvm.org/bugs/show_bug.cgi?id=24377. 2015-08-06 18:17:29 +00:00
MachineCombinerPattern.h MachineCombiner Pass for selecting faster instruction 2014-08-03 21:35:39 +00:00
MachineConstantPool.h Redirect DataLayout from TargetMachine to Module in MachineFunction 2015-07-07 18:20:57 +00:00
MachineDominanceFrontier.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachineDominators.h NFC. 2015-08-07 18:04:17 +00:00
MachineFrameInfo.h Add 'const' to a few more functions in MachineFrameInfo 2015-07-20 22:05:38 +00:00
MachineFunction.h MIR Serialization: Serialize the external symbol machine operands. 2015-07-21 16:59:53 +00:00
MachineFunctionAnalysis.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachineFunctionInitializer.h MIR Serialization: Connect the machine function analysis pass to the MIR parser. 2015-06-15 20:30:22 +00:00
MachineFunctionPass.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachineInstr.h AMDGPU/SI: Add implicit register operands in the correct order. 2015-07-31 23:30:09 +00:00
MachineInstrBuilder.h don't repeat function names in comments; NFC 2015-07-31 15:10:44 +00:00
MachineInstrBundle.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachineJumpTableInfo.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachineLoopInfo.h Remove macro guards for extern template instantiations. 2015-07-13 17:21:31 +00:00
MachineMemOperand.h CodeGen: Push the ModuleSlotTracker through MachineOperands 2015-06-26 22:06:47 +00:00
MachineModuleInfo.h [CodeGen] Force emission of personality directive if explicitly specified 2015-07-14 19:22:51 +00:00
MachineModuleInfoImpls.h Clear the stub map in getSortedStubs. 2015-04-07 12:59:28 +00:00
MachineOperand.h CodeGen: Push the ModuleSlotTracker through MachineOperands 2015-06-26 22:06:47 +00:00
MachinePassRegistry.h Use 'override/final' instead of 'virtual' for overridden methods 2015-04-11 02:11:45 +00:00
MachinePostDominators.h Use 'override/final' instead of 'virtual' for overridden methods 2015-04-11 02:11:45 +00:00
MachineRegionInfo.h Remove macro guards for extern template instantiations. 2015-07-13 17:21:31 +00:00
MachineRegisterInfo.h MIR Serialization: Serialize the simple virtual register allocation hints. 2015-07-24 20:35:40 +00:00
MachineScheduler.h Fix -Wextra-semi warnings. 2015-07-22 20:46:11 +00:00
MachineSSAUpdater.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachineTraceMetrics.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
MachineValueType.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachORelocation.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
MIRYamlMapping.h MIR Parser: Report an error when a jump table entry is redefined. 2015-07-31 23:13:23 +00:00
Passes.h This patch changes the interface to enable the shrink wrapping optimization. 2015-08-06 18:02:53 +00:00
PBQPRAConstraint.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
PseudoSourceValue.h CodeGen: Push the ModuleSlotTracker through MachineOperands 2015-06-26 22:06:47 +00:00
RegAllocPBQP.h Fix some comment typos. 2015-08-08 18:27:36 +00:00
RegAllocRegistry.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
RegisterClassInfo.h [C++11] Replace OwningPtr with std::unique_ptr in places where it doesn't break the API. 2014-04-21 09:34:48 +00:00
RegisterPressure.h RegisterPressure: Add PressureDiff::dump() 2015-07-08 23:40:27 +00:00
RegisterScavenging.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
ResourcePriorityQueue.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
RuntimeLibcalls.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
ScheduleDAG.h Fix -Wextra-semi warnings. 2015-07-22 20:46:11 +00:00
ScheduleDAGInstrs.h Replace push_back(Constructor(foo)) with emplace_back(foo) for non-trivial types 2015-05-29 19:43:39 +00:00
ScheduleDFS.h Move remaining LLVM_ENABLE_DUMP conditionals out of the headers 2014-07-01 21:19:13 +00:00
ScheduleHazardRecognizer.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
SchedulerRegistry.h Move the Target way of overriding DAG Scheduler to a target hook 2015-07-28 06:18:04 +00:00
ScoreboardHazardRecognizer.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
SelectionDAG.h Add allnodes() iterator range to SelectionDAG. NFC. 2015-07-14 22:10:54 +00:00
SelectionDAGISel.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
SelectionDAGNodes.h Move SDNode::IROrder in to padding to save space. NFC. 2015-07-14 21:54:55 +00:00
SlotIndexes.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
StackMaps.h [StackMap] Use lambdas to specify the sort and erase conditions. NFC. 2015-07-09 17:11:15 +00:00
StackProtector.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-14 00:51:57 +00:00
TargetLoweringObjectFileImpl.h Remove DataLayout from TargetLoweringObjectFile, redirect to Module 2015-07-16 06:04:17 +00:00
TargetSchedule.h [MachineCombiner] Work with itineraries 2015-07-15 08:22:23 +00:00
ValueTypes.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
ValueTypes.td Add support for v1i128 type. 2015-04-17 16:11:05 +00:00
VirtRegMap.h Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
WinEHFuncInfo.h Rename llvm.frameescape and llvm.framerecover to localescape and localrecover 2015-07-07 22:25:32 +00:00