[all-commits] [llvm/llvm-project] fce06e: [GlobalISel] Add `G_FSHL` and `G_FSHR` to computeK...

[Ayaan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fce06e92a6ee4a74d49e0f3f5cb6301782e44ca1
      https://github.com/llvm/llvm-project/commit/fce06e92a6ee4a74d49e0f3f5cb6301782e44ca1
  Author: Ayaan <138162656+def3r at users.noreply.github.com>
  Date:   2026-04-27 (Mon, 27 Apr 2026)

  Changed paths:
    M llvm/include/llvm/Support/KnownBits.h
    M llvm/lib/Analysis/ValueTracking.cpp
    M llvm/lib/CodeGen/GlobalISel/GISelValueTracking.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/Support/KnownBits.cpp
    A llvm/test/CodeGen/AArch64/GlobalISel/knownbits-fshl-fshr.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fshl.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/fshr.ll
    M llvm/unittests/Support/KnownBitsTest.cpp

  Log Message:
  -----------
  [GlobalISel] Add `G_FSHL` and `G_FSHR` to computeKnownBits (#191260)

Ported impl from `SelectionDAG::computeKnownBits`.

Tests are based on `AArch64/GlobalISel/knownbits-shl.mir`

Ref: #150515



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