Simon Pilgrim b9e4679976 [DAG] canCreateUndefOrPoison - add handling for ADD/SUB/MUL overflow nodes (#146322) ...

Neither the arithmetic value or overflow result can create undef/poison from regular operands values.

We have complete test coverage for all ADDO/SUBO nodes, 32-bit codegen handles the _CARRY variants but until #145939 lands AND DAGCombiner::visitFREEZE handles multiple results we can't see any codegen change.

Pulled out of #145939

2025-06-30 13:26:57 +01:00

..

CMakeLists.txt

[SelectionDAG] Wire up -gen-sdnode-info TableGen backend (#125358)

2025-04-06 13:14:37 +03:00

DAGCombiner.cpp

[DAGCombiner] Remove UnsafeFPMath usage in visitFSUBForFMACombine etc. (#145637)

2025-06-30 08:41:23 +08:00

FastISel.cpp

[RemoveDIs][NFC] Remove dbg intrinsic handling code from SelectionDAG ISel (#144702)

2025-06-18 16:04:18 +01:00

FunctionLoweringInfo.cpp

[RemoveDIs][NFC] Remove dbg intrinsic handling code from SelectionDAG ISel (#144702)

2025-06-18 16:04:18 +01:00

InstrEmitter.cpp

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InstrEmitter.h

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LegalizeDAG.cpp

[CodeGen] Construct SmallVector with ArrayRef (NFC) (#143391)

2025-06-09 12:45:52 -07:00

LegalizeFloatTypes.cpp

RuntimeLibcalls: Rename fminimum_num/fmaximum_num enums (#143078)

2025-06-06 16:23:26 +09:00

LegalizeIntegerTypes.cpp

[SelectionDAG][RISCV] Treat zext nneg as sext in PromoteIntOp_ZERO_EXTEND if the promoted input is sign extended. (#145120)

2025-06-21 18:56:00 -07:00

LegalizeTypes.cpp

[CodeGen] Use llvm::append_range (NFC) (#135567)

2025-04-13 16:36:03 -07:00

LegalizeTypes.h

[SelectionDAG][RISCV] Add support for splitting vp.splice (#145184)

2025-06-23 08:55:13 -07:00

LegalizeTypesGeneric.cpp

[SelectionDAG] Rename MemSDNode::getOriginalAlign to getBaseAlign. NFC (#139930)

2025-05-16 09:37:02 -07:00

LegalizeVectorOps.cpp

[LLVM][CodeGen][SVE] Add isel for bfloat unordered reductions. (#143540)

2025-06-20 11:46:25 +01:00

LegalizeVectorTypes.cpp

[SelectionDAG][RISCV] Add support for splitting vp.splice (#145184)

2025-06-23 08:55:13 -07:00

MatchContext.h

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ResourcePriorityQueue.cpp

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ScheduleDAGFast.cpp

[CodeGen] Use range-based for loops (NFC) (#138488)

2025-05-05 10:08:49 -07:00

ScheduleDAGRRList.cpp

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ScheduleDAGSDNodes.cpp

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ScheduleDAGSDNodes.h

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ScheduleDAGVLIW.cpp

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SDNodeDbgValue.h

[llvm] Use llvm::copy (NFC) (#137470)

2025-04-26 15:50:38 -07:00

SDNodeInfo.cpp

[SelectionDAG] Wire up -gen-sdnode-info TableGen backend (#125358)

2025-04-06 13:14:37 +03:00

SelectionDAG.cpp

[DAG] canCreateUndefOrPoison - add handling for ADD/SUB/MUL overflow nodes (#146322)

2025-06-30 13:26:57 +01:00

SelectionDAGAddressAnalysis.cpp

[AMDGPU][SDAG] Handle ISD::PTRADD in SelectionDAGAddressAnalysis (#142778)

2025-06-26 09:47:46 +02:00

SelectionDAGBuilder.cpp

DAG: Move get_dynamic_area_offset type check to IR verifier (#145268)

2025-06-24 11:11:52 +09:00

SelectionDAGBuilder.h

[RemoveDIs][NFC] Remove dbg intrinsic handling code from SelectionDAG ISel (#144702)

2025-06-18 16:04:18 +01:00

SelectionDAGDumper.cpp

[SDAG] Add partial_reduce_sumla node (#141267)

2025-06-09 07:17:45 -07:00

SelectionDAGISel.cpp

CodeGen: Emit error if getRegisterByName fails (#145194)

2025-06-23 16:33:35 +09:00

SelectionDAGPrinter.cpp

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SelectionDAGTargetInfo.cpp

[SelectionDAG] Wire up -gen-sdnode-info TableGen backend (#125358)

2025-04-06 13:14:37 +03:00

StatepointLowering.cpp

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StatepointLowering.h

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TargetLowering.cpp

[TargetLowering] Fold (a | b) ==/!= b -> (a & ~b) ==/!= 0 when and-not exists (#145368)

2025-06-27 14:47:52 +01:00