[all-commits] [llvm/llvm-project] 834c41: [Target] Prevent copying in loop variables (NFC)

Jie Fu (傅杰) via All-commits all-commits at lists.llvm.org
Mon Jun 30 00:51:22 PDT 2025


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 834c410d9df313fde9160b23e6e1c6cf95bed8a3
      https://github.com/llvm/llvm-project/commit/834c410d9df313fde9160b23e6e1c6cf95bed8a3
  Author: Jie Fu <jiefu at tencent.com>
  Date:   2025-06-30 (Mon, 30 Jun 2025)

  Changed paths:
    M llvm/lib/Target/Lanai/LanaiISelLowering.cpp
    M llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
    M llvm/lib/Target/VE/VEISelLowering.cpp
    M llvm/lib/Target/XCore/XCoreISelLowering.cpp

  Log Message:
  -----------
  [Target] Prevent copying in loop variables (NFC)

/data/llvm-project/llvm/lib/Target/Lanai/LanaiISelLowering.cpp:715:19: error: loop variable '[Reg, N]' creates a copy from type 'std::pair<unsigned int, llvm::SDValue> const' [-Werror,-Wrange-loop-construct]
  for (const auto [Reg, N] : RegsToPass) {
                  ^
/data/llvm-project/llvm/lib/Target/Lanai/LanaiISelLowering.cpp:715:8: note: use reference type 'std::pair<unsigned int, llvm::SDValue> const &' to prevent copying
  for (const auto [Reg, N] : RegsToPass) {
       ^~~~~~~~~~~~~~~~~~~~~
                  &
/data/llvm-project/llvm/lib/Target/Lanai/LanaiISelLowering.cpp:747:19: error: loop variable '[Reg, N]' creates a copy from type 'std::pair<unsigned int, llvm::SDValue> const' [-Werror,-Wrange-loop-construct]
  for (const auto [Reg, N] : RegsToPass)
                  ^
/data/llvm-project/llvm/lib/Target/Lanai/LanaiISelLowering.cpp:747:8: note: use reference type 'std::pair<unsigned int, llvm::SDValue> const &' to prevent copying
  for (const auto [Reg, N] : RegsToPass)
       ^~~~~~~~~~~~~~~~~~~~~
                  &
2 errors generated.



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