[all-commits] [llvm/llvm-project] dfe513: Revert "[RISCV] Use selectShiftMaskXLen ComplexPat...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dfe513ae1bb6e788ead93b850d80d77d54cf29d3
      https://github.com/llvm/llvm-project/commit/dfe513ae1bb6e788ead93b850d80d77d54cf29d3
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2022-05-19 (Thu, 19 May 2022)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
    M llvm/test/CodeGen/RISCV/rotl-rotr.ll

  Log Message:
  -----------
  Revert "[RISCV] Use selectShiftMaskXLen ComplexPattern for isel of rotates."

This reverts commit 86f7d7074a0129955aa2f5c82fe8c383eb17a35a.

The test cases added for this exposed an pre-existing bug that is failing
the expensive checks bot. Reverting so I can revert that patch.


  Commit: 35564fff67bbb94f84e10afd20a653dfc4b787ef
      https://github.com/llvm/llvm-project/commit/35564fff67bbb94f84e10afd20a653dfc4b787ef
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2022-05-19 (Thu, 19 May 2022)

  Changed paths:
    M llvm/test/CodeGen/RISCV/rotl-rotr.ll

  Log Message:
  -----------
  Revert "[RISCV] Add test cases showing failure to remove mask on rotate amounts."

This reverts commit e2f410feeab27a8bb2c015fc02bb8527702e401f.

This exposes a pre-existing bug in type legalization that is failing
expensive checks.


Compare: https://github.com/llvm/llvm-project/compare/6990e7477d24...35564fff67bb