[all-commits] [llvm/llvm-project] e6b249: [SelectionDAG] Split SDNode::use_iterator into use...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e6b24955455d74ee748d1e9986d67de6d40ed22e
      https://github.com/llvm/llvm-project/commit/e6b24955455d74ee748d1e9986d67de6d40ed22e
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2024-12-19 (Thu, 19 Dec 2024)

  Changed paths:
    M llvm/include/llvm/CodeGen/SelectionDAGNodes.h
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/lib/Target/ARM/ARMISelLowering.cpp
    M llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
    M llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
    M llvm/lib/Target/PowerPC/PPCISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
    M llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
    M llvm/lib/Target/X86/X86ISelLowering.cpp

  Log Message:
  -----------
  [SelectionDAG] Split SDNode::use_iterator into user_iterator and use_iterator. (#120531)

SDNode::use_iterator now returns an SDUse& when dereferenced.
SDNode::user_iterator returns SDNode*. SDNode::use_begin/use_end/uses
work on use_iterator. SDNode::user_begin/user_end/users work on
user_iterator.

We can now write range based for loops using SDUse& and SDNode::uses().
I've converted many of these in this patch. I didn't update loops that
have additional variables updated in their for statement.

Some loops use SDNode::use_iterator::getOperandNo() which also prevents
using range based for loops. I plan to move this into SDUse in a follow
up patch.



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