[all-commits] [llvm/llvm-project] 23817c: [SCEVExpander] Make sure cast properly dominates B...

[Florian Hahn via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 23817cbd0b6549d6145e4d0dbc0162370184a21e
      https://github.com/llvm/llvm-project/commit/23817cbd0b6549d6145e4d0dbc0162370184a21e
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2020-08-09 (Sun, 09 Aug 2020)

  Changed paths:
    M llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
    A llvm/test/Transforms/LoopStrengthReduce/X86/expander-crashes.ll

  Log Message:
  -----------
  [SCEVExpander] Make sure cast properly dominates Builder's IP.

The selected cast must properly dominate the Builder's IP, so we cannot
re-use the cast, if it matches the builder's IP.