[all-commits] [llvm/llvm-project] 5350e1: [KnownBits] Implement accurate unsigned and signed...

[jayfoad via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 5350e1b5096aa4707aa525baf7398d93b4a4f1a5
      https://github.com/llvm/llvm-project/commit/5350e1b5096aa4707aa525baf7398d93b4a4f1a5
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2020-09-07 (Mon, 07 Sep 2020)

  Changed paths:
    M llvm/include/llvm/Support/KnownBits.h
    M llvm/lib/Analysis/ValueTracking.cpp
    M llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/Support/KnownBits.cpp
    M llvm/unittests/CodeGen/GlobalISel/KnownBitsTest.cpp
    M llvm/unittests/Support/KnownBitsTest.cpp

  Log Message:
  -----------
  [KnownBits] Implement accurate unsigned and signed max and min

Use the new implementation in ValueTracking, SelectionDAG and
GlobalISel.

Differential Revision: https://reviews.llvm.org/D87034