[all-commits] [llvm/llvm-project] 9d5556: [RISCV][GISel] Remove unnecessary copy from X0 in ...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9d5556377c6e716b94747ad1db089dad19890f4e
      https://github.com/llvm/llvm-project/commit/9d5556377c6e716b94747ad1db089dad19890f4e
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2025-09-14 (Sun, 14 Sep 2025)

  Changed paths:
    M llvm/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp
    M llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/fp-constant-f16.mir
    M llvm/test/CodeGen/RISCV/GlobalISel/instruction-select/fp-constant.mir

  Log Message:
  -----------
  [RISCV][GISel] Remove unnecessary copy from X0 in G_FCONSTANT selection. (#158429)

Instead of calling materializeImm, just assign GPRReg to X0.

While there, move conversion to APInt to only where it is necessary.



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