[all-commits] [llvm/llvm-project] 04dd2a: [RISCV][GlobalISel] Select G_GLOBAL_VALUE (#70091)

[Michael Maitland via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 04dd2ac03a568af157f465ec1242ce8bd14e0dcf
      https://github.com/llvm/llvm-project/commit/04dd2ac03a568af157f465ec1242ce8bd14e0dcf
  Author: Michael Maitland <michaeltmaitland at gmail.com>
  Date:   2023-10-30 (Mon, 30 Oct 2023)

  Changed paths:
    M llvm/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
    M llvm/lib/CodeGen/GlobalISel/InstructionSelect.cpp
    M llvm/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp
    A llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/global-value32.mir
    A llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/global-value64.mir

  Log Message:
  -----------
  [RISCV][GlobalISel] Select G_GLOBAL_VALUE (#70091)

G_GLOBAL_VALUE should be lowered into an absolute address if
`-codemodel=small` is used or into a PC-relative if `-codemodel=medium`
is used.

PR #68380 tried to create special instructions to do this, but I don't
see why we need to do that.