[all-commits] [llvm/llvm-project] 000618: InstSimplify: Simplifications for ldexp

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 00061843bd93b7dd9f83e1448e569e193c22ccf8
      https://github.com/llvm/llvm-project/commit/00061843bd93b7dd9f83e1448e569e193c22ccf8
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2023-09-13 (Wed, 13 Sep 2023)

  Changed paths:
    M llvm/lib/Analysis/ConstantFolding.cpp
    M llvm/lib/Analysis/InstructionSimplify.cpp
    M llvm/test/Transforms/InstCombine/ldexp.ll
    A llvm/test/Transforms/InstSimplify/ldexp.ll

  Log Message:
  -----------
  InstSimplify: Simplifications for ldexp

Ported from old amdgcn intrinsic which will soon be deleted.

https://reviews.llvm.org/D149587


  Commit: edecb6048148b7c22cfe567ccbf2dba5e1000bdc
      https://github.com/llvm/llvm-project/commit/edecb6048148b7c22cfe567ccbf2dba5e1000bdc
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2023-09-13 (Wed, 13 Sep 2023)

  Changed paths:
    M llvm/include/llvm/IR/IntrinsicsAMDGPU.td
    M llvm/lib/Analysis/ConstantFolding.cpp
    M llvm/lib/IR/AutoUpgrade.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    A llvm/test/Bitcode/amdgcn-ldexp.ll
    M llvm/test/CodeGen/AMDGPU/known-never-snan.ll
    R llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.f16.ll
    R llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ldexp.ll
    R llvm/test/Transforms/InstCombine/AMDGPU/ldexp.ll

  Log Message:
  -----------
  Reapply "AMDGPU: Drop and auto-upgrade llvm.amdgcn.ldexp to llvm.ldexp"

This reverts commit d9333e360a7c52587ab6e4328e7493b357fb2cf3.


Compare: https://github.com/llvm/llvm-project/compare/ca8d2533c79c...edecb6048148