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llvm-project/llvm/lib/Target/Hexagon
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Tim Northover 31d093c705 ISelDAG: spot chain cycles involving MachineNodes 
Previously, the DAGISel function WalkChainUsers was spotting that it
had entered already-selected territory by whether a node was a
MachineNode (amongst other things). Since it's fairly common practice
to insert MachineNodes during ISelLowering, this was not the correct
check.

Looking around, it seems that other nodes get their NodeId set to -1
upon selection, so this makes sure the same thing happens to all
MachineNodes and uses that characteristic to determine whether we
should stop looking for a loop during selection.

This should fix PR15840.

llvm-svn: 191165
 		2013-09-22 08:21:56 +00:00
..
InstPrinter Remove unused stdio.h includes 2013-08-18 08:29:51 +00:00
MCTargetDesc Remove the MachineMove class. 2013-05-13 01:16:13 +00:00
TargetInfo Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
CMakeLists.txt Target/*/CMakeLists.txt: Add the dependency to CommonTableGen explicitly for each corresponding CodeGen. 2013-08-06 06:38:37 +00:00
Hexagon.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
Hexagon.td Hexagon: Fix switch statements in GetDotOldOp and IsNewifyStore. 2013-05-10 20:58:11 +00:00
HexagonAsmPrinter.cpp Hexagon: Move HexagonMCInst.h to MCTargetDesc/HexagonMCInst.h. 2013-02-20 16:13:27 +00:00
HexagonAsmPrinter.h Delete executive bit on ./lib/Target/Hexagon/HexagonAsmPrinter.h. 2012-12-29 15:23:06 +00:00
HexagonCFGOptimizer.cpp Print IR from Hexagon MI passes with -print-before/after-all. 2013-05-06 21:58:00 +00:00
HexagonCallingConv.td Hexagon V5 FP Support. 2012-05-10 20:20:25 +00:00
HexagonCallingConvLower.cpp Use SmallVectorImpl& instead of SmallVector to avoid repeating small vector size. 2013-07-14 04:42:23 +00:00
HexagonCallingConvLower.h Use SmallVectorImpl& instead of SmallVector to avoid repeating small vector size. 2013-07-14 04:42:23 +00:00
HexagonCopyToCombine.cpp Hexagon: Typo fix. 2013-05-28 19:01:45 +00:00
HexagonExpandPredSpillCode.cpp Print IR from Hexagon MI passes with -print-before/after-all. 2013-05-06 21:58:00 +00:00
HexagonFixupHwLoops.cpp Extend Hexagon hardware loop generation to handle various additional cases: 2013-02-11 21:37:55 +00:00
HexagonFrameLowering.cpp Remove dead calls to addFrameMove. 2013-05-16 15:08:37 +00:00
HexagonFrameLowering.h Move the eliminateCallFramePseudoInstr method from TargetRegisterInfo 2013-02-21 20:05:00 +00:00
HexagonHardwareLoops.cpp Replace some unnecessary vector copies with references. 2013-09-15 22:04:42 +00:00
HexagonISelDAGToDAG.cpp ISelDAG: spot chain cycles involving MachineNodes 2013-09-22 08:21:56 +00:00
HexagonISelLowering.cpp Fix unused variables. 2013-09-10 23:18:14 +00:00
HexagonISelLowering.h Refactor isInTailCallPosition handling 2013-08-06 09:12:35 +00:00
HexagonInstrFormats.td Hexagon: Fix switch cases in HexagonVLIWPacketizer.cpp. 2013-05-10 20:27:34 +00:00
HexagonInstrFormatsV4.td Hexagon: Change insn class to support instruction encoding. 2013-02-14 19:57:17 +00:00
HexagonInstrInfo.cpp DebugInfo: remove target-specific Frame Index handling for DBG_VALUE MachineInstrs 2013-06-16 20:34:27 +00:00
HexagonInstrInfo.h DebugInfo: remove target-specific Frame Index handling for DBG_VALUE MachineInstrs 2013-06-16 20:34:27 +00:00
HexagonInstrInfo.td Hexagon: Pass to replace tranfer/copy instructions into combine instruction 2013-05-14 18:54:06 +00:00
HexagonInstrInfoV3.td Hexagon: Use multiclass for Jump instructions. 2013-05-01 21:37:34 +00:00
HexagonInstrInfoV4.td Hexagon: Add patterns to generate 'combine' instructions. 2013-05-14 17:16:38 +00:00
HexagonInstrInfoV5.td Hexagon: Fix switch cases in HexagonVLIWPacketizer.cpp. 2013-05-10 20:27:34 +00:00
HexagonIntrinsics.td Hexagon V5 intrinsics support. 2012-05-11 19:39:13 +00:00
HexagonIntrinsicsDerived.td Hexagon V5 intrinsics support. 2012-05-11 19:39:13 +00:00
HexagonIntrinsicsV3.td
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HexagonIntrinsicsV4.td
…
HexagonIntrinsicsV5.td Remove tabs. 2012-07-19 00:25:04 +00:00
HexagonMCInstLower.cpp Hexagon: Move HexagonMCInst.h to MCTargetDesc/HexagonMCInst.h. 2013-02-20 16:13:27 +00:00
HexagonMachineFunctionInfo.h Hexagon: Use multiclass for Jump instructions. 2013-05-01 21:37:34 +00:00
HexagonMachineScheduler.cpp Rename variables for consistency. 2013-09-11 00:41:02 +00:00
HexagonMachineScheduler.h mi-sched: Precompute a PressureDiff for each instruction, adjust for liveness later. 2013-08-30 03:49:48 +00:00
HexagonNewValueJump.cpp Suppress GCC compiler warnings in release builds about variables that are only 2013-05-13 07:50:47 +00:00
HexagonOperands.td Move all operand definitions into HexagonOperands.td 2012-12-04 05:00:31 +00:00
HexagonPeephole.cpp Print IR from Hexagon MI passes with -print-before/after-all. 2013-05-06 21:58:00 +00:00
HexagonRegisterInfo.cpp Don't cache the instruction and register info from the TargetMachine, because 2013-06-07 06:19:56 +00:00
HexagonRegisterInfo.h Don't cache the instruction and register info from the TargetMachine, because 2013-06-07 06:19:56 +00:00
HexagonRegisterInfo.td Make SubRegIndex size mandatory, following r183020. 2013-05-31 23:45:26 +00:00
HexagonRemoveSZExtArgs.cpp Print IR from Hexagon MI passes with -print-before/after-all. 2013-05-06 21:58:00 +00:00
HexagonSchedule.td Hexagon: Change insn class to support instruction encoding. 2013-02-14 19:57:17 +00:00
HexagonScheduleV4.td Hexagon: Change insn class to support instruction encoding. 2013-02-14 19:57:17 +00:00
HexagonSelectCCInfo.td
…
HexagonSelectionDAGInfo.cpp Track IR ordering of SelectionDAG nodes 2/4. 2013-05-25 02:42:55 +00:00
HexagonSelectionDAGInfo.h Track IR ordering of SelectionDAG nodes 2/4. 2013-05-25 02:42:55 +00:00
HexagonSplitConst32AndConst64.cpp Remove use of forbidden 'iostream' header. 2013-08-21 20:36:42 +00:00
HexagonSplitTFRCondSets.cpp Print IR from Hexagon MI passes with -print-before/after-all. 2013-05-06 21:58:00 +00:00
HexagonSubtarget.cpp Hexagon: Add and enable memops setbit, clrbit, &,|,+,- for byte, short, and word. 2013-03-22 18:41:34 +00:00
HexagonSubtarget.h Sort includes for all of the .h files under the 'lib' tree. These were 2012-12-04 07:12:27 +00:00
HexagonTargetMachine.cpp Allow subtarget selection of the default MachineScheduler and document the interface. 2013-09-20 05:14:41 +00:00
HexagonTargetMachine.h Switch TargetTransformInfo from an immutable analysis pass that requires 2013-01-07 01:37:14 +00:00
HexagonTargetObjectFile.cpp Hexagon: Fix Small Data support to handle -G 0 correctly. 2013-05-07 19:53:00 +00:00
HexagonTargetObjectFile.h Hexagon: Fix Small Data support to handle -G 0 correctly. 2013-05-07 19:53:00 +00:00
HexagonVLIWPacketizer.cpp Hexagon: Make helper functions static. 2013-05-23 15:43:11 +00:00
HexagonVarargsCallingConvention.h Move TargetData to DataLayout. 2012-10-08 16:38:25 +00:00
LLVMBuild.txt
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Makefile
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