[all-commits] [llvm/llvm-project] 4a2e7d: [RISCV] Teach RISCVMergeBaseOffset to handle const...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4a2e7da3ce3e8b6fa8d7d886be441dda42c18265
      https://github.com/llvm/llvm-project/commit/4a2e7da3ce3e8b6fa8d7d886be441dda42c18265
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2022-12-20 (Tue, 20 Dec 2022)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVMergeBaseOffset.cpp
    M llvm/test/CodeGen/RISCV/codemodel-lowering.ll

  Log Message:
  -----------
  [RISCV] Teach RISCVMergeBaseOffset to handle constant pools.

Primarily this allows us to fold the addi from PseudoLLA expansion
into a load.

If the linker is able to GP relax the constant pool access we'll
end up with a GP relative load.

Reviewed By: asb

Differential Revision: https://reviews.llvm.org/D140341


  Commit: 306adcc852c343fb01ab4189330f597ce90a1912
      https://github.com/llvm/llvm-project/commit/306adcc852c343fb01ab4189330f597ce90a1912
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2022-12-20 (Tue, 20 Dec 2022)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVMergeBaseOffset.cpp

  Log Message:
  -----------
  [RISCV] Reduce duplicated code in RISCVMergeBaseOffsetOpt::detectFoldable. NFC

The LUI and AUIPC share quite a few similarities. This refactors the code
to share what we can.

Reviewed By: asb

Differential Revision: https://reviews.llvm.org/D140345


Compare: https://github.com/llvm/llvm-project/compare/2aa998d22fe0...306adcc852c3