[all-commits] [llvm/llvm-project] 479716: [RISCV][GISel] Make G_SEXT_INREG with source size ...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 479716d95431fa229f106db70eaf9be59df9c287
      https://github.com/llvm/llvm-project/commit/479716d95431fa229f106db70eaf9be59df9c287
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2023-08-21 (Mon, 21 Aug 2023)

  Changed paths:
    M llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
    M llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.h
    M llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-div.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-icmp.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/legalizer/rv64/legalize-rem.mir

  Log Message:
  -----------
  [RISCV][GISel] Make G_SEXT_INREG with source size of 32 legal for RV64.

This maps to the sext.w instruction.

As far as I could tell this needs custom lowering to check the immediate.

Reviewed By: nitinjohnraj

Differential Revision: https://reviews.llvm.org/D158350