[all-commits] [llvm/llvm-project] cbd459: Recommmit "[RISCV] Improve contant materialization...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cbd45961684766dd3b1aaa7dcdd35ea3aafe360a
      https://github.com/llvm/llvm-project/commit/cbd45961684766dd3b1aaa7dcdd35ea3aafe360a
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2023-09-20 (Wed, 20 Sep 2023)

  Changed paths:
    M llvm/lib/Target/RISCV/MCTargetDesc/RISCVMatInt.cpp
    M llvm/test/CodeGen/RISCV/imm.ll
    M llvm/test/MC/RISCV/rv64i-aliases-valid.s

  Log Message:
  -----------
  Recommmit "[RISCV] Improve contant materialization to end with 'not' if the cons… (#66950)"

With MC test updates.

Original commit message

We can invert the value and treat it as if it had leading zeroes.