[all-commits] [llvm/llvm-project] 752637: [InstSimplify] allow folds for fmin/fmax with 'ninf'

RotateRight via All-commits all-commits at lists.llvm.org
Mon Sep 14 08:18:36 PDT 2020


  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 7526376164801cc758c94217931ab025bc226b0e
      https://github.com/llvm/llvm-project/commit/7526376164801cc758c94217931ab025bc226b0e
  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] allow folds for fmin/fmax with 'ninf'

maxnum(ninf X, +FLT_MAX) --> +FLT_MAX
minnum(ninf X, -FLT_MAX) --> -FLT_MAX

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




More information about the All-commits mailing list