[all-commits] [llvm/llvm-project] 615b63: [GlobalISel] Add KnownFPClass printer pass (#225402)

[Tim Gymnich via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 615b63316c17bc7f701f504f00e8e1b3303ea9d8
      https://github.com/llvm/llvm-project/commit/615b63316c17bc7f701f504f00e8e1b3303ea9d8
  Author: Tim Gymnich <tim at gymni.ch>
  Date:   2026-09-22 (Tue, 22 Sep 2026)

  Changed paths:
    M llvm/include/llvm/CodeGen/GlobalISel/GISelValueTracking.h
    M llvm/include/llvm/Passes/MachinePassRegistry.def
    M llvm/lib/CodeGen/GlobalISel/GISelValueTracking.cpp
    A llvm/test/CodeGen/AArch64/GlobalISel/knownfpclass-basic.mir
    A llvm/test/CodeGen/AArch64/GlobalISel/knownfpclass-ops.mir
    M llvm/unittests/CodeGen/GlobalISel/KnownFPClassTest.cpp
    M llvm/utils/update_givaluetracking_test_checks.py

  Log Message:
  -----------
  [GlobalISel] Add KnownFPClass printer pass (#225402)

Adds a dedicated print<gisel-value-tracking-fpclass> machine-function
pass.

Most KnownFPClassTest.cpp cases are migrated to MIR tests. The remaining
unit test covers a signaling-NaN-specific query that the printer cannot
represent.
 
Assisted by: gpt-5.6-sol



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