[all-commits] [llvm/llvm-project] d9320e: [RISCV][GlobalISel] Select register banks for GPR ...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d9320e22d4b5ebcd5f2c400cc774c1d16e335f28
      https://github.com/llvm/llvm-project/commit/d9320e22d4b5ebcd5f2c400cc774c1d16e335f28
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2023-08-22 (Tue, 22 Aug 2023)

  Changed paths:
    M llvm/lib/Target/RISCV/GISel/RISCVRegisterBankInfo.cpp
    M llvm/lib/Target/RISCV/GISel/RISCVRegisterBankInfo.h
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/alu-rv32.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/alu-rv64.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/copy-rv32.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/copy-rv64.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/ext-trunc-rv64.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/global-rv32.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/global-rv64.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/load-rv32.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/load-rv64.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/phi-rv32.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/phi-rv64.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/select-rv32.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/select-rv64.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/store-rv32.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/regbankselect/store-rv64.mir

  Log Message:
  -----------
  [RISCV][GlobalISel] Select register banks for GPR ALU instructions

This patch implements the getInstrMapping hook for RISCVRegisterBankInfo and others in order to correctly select the GPR register bank for operands of ALU instructions, and the associated operations introduced by the legalizer.

Co-authored-by: Lewis Revill <lewis.revill at embecosm.com>

Reviewed By: nitinjohnraj

Differential Revision: https://reviews.llvm.org/D76051