[all-commits] [llvm/llvm-project] 55d371: [InstSimplify] add folds for fmin/fmax with 'nnan'

[RotateRight via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 55d371abd7f470496f45d960c29bb66da0e81aee
      https://github.com/llvm/llvm-project/commit/55d371abd7f470496f45d960c29bb66da0e81aee
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2020-09-14 (Mon, 14 Sep 2020)

  Changed paths:
    M llvm/lib/Analysis/InstructionSimplify.cpp
    M llvm/test/Transforms/InstSimplify/fminmax-folds.ll

  Log Message:
  -----------
  [InstSimplify] add folds for fmin/fmax with 'nnan'

maximum(nnan X, +INF) --> +INF
minimum(nnan X, -INF) --> -INF

This is based on the similar codegen transform proposed in:
D87571