[all-commits] [llvm/llvm-project] ece135: Revert "[PowerPC] Add test after #75271 on PPC. NF...

[Arthur Eubanks via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ece1359857c547a156ed743643bccbfd0f09bf2a
      https://github.com/llvm/llvm-project/commit/ece1359857c547a156ed743643bccbfd0f09bf2a
  Author: Arthur Eubanks <aeubanks at google.com>
  Date:   2024-01-03 (Wed, 03 Jan 2024)

  Changed paths:
    R llvm/test/CodeGen/PowerPC/coalescer-remat-with-undef-implicit-def-operand.mir

  Log Message:
  -----------
  Revert "[PowerPC] Add test after #75271 on PPC. NFC. (#75616)"

This reverts commit 5cfc7b3342ce4de0bbe182b38baa8a71fc83f8f8.

This depends on 0e46b49de43349f8cbb2a7d4c6badef6d16e31ae which is being reverted.


  Commit: c4146121e940b6b853148c780568dee38b97382f
      https://github.com/llvm/llvm-project/commit/c4146121e940b6b853148c780568dee38b97382f
  Author: Arthur Eubanks <aeubanks at google.com>
  Date:   2024-01-03 (Wed, 03 Jan 2024)

  Changed paths:
    M llvm/lib/CodeGen/RegisterCoalescer.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/arm64-pcsections.ll
    R llvm/test/CodeGen/X86/coalescer-breaks-subreg-to-reg-liveness.ll
    M llvm/test/CodeGen/X86/coalescer-implicit-def-regression-imp-operand-assert.mir
    R llvm/test/CodeGen/X86/coalescing-subreg-to-reg-requires-subrange-update.mir
    R llvm/test/CodeGen/X86/subreg-to-reg-coalescing.mir

  Log Message:
  -----------
  Revert "Reapply "RegisterCoalescer: Add implicit-def of super register when coalescing SUBREG_TO_REG""

This reverts commit 0e46b49de43349f8cbb2a7d4c6badef6d16e31ae.

Causes crashes, see repro on https://github.com/llvm/llvm-project/commit/0e46b49de43349f8cbb2a7d4c6badef6d16e31ae.


Compare: https://github.com/llvm/llvm-project/compare/a8f43974260e...c4146121e940