[all-commits] [llvm/llvm-project] e16698: Revert "[SelectionDAG] Remove unused FP constant i...

[Qiu Chaofan via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: e1669843f2aaf1e4929afdd8f125c14536d27664
      https://github.com/llvm/llvm-project/commit/e1669843f2aaf1e4929afdd8f125c14536d27664
  Author: Qiu Chaofan <qiucofan at cn.ibm.com>
  Date:   2020-09-15 (Tue, 15 Sep 2020)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    R llvm/test/CodeGen/X86/pr47517.ll

  Log Message:
  -----------
  Revert "[SelectionDAG] Remove unused FP constant in getNegatedExpression"

2508ef01 doesn't totally fix the issue since we did not handle the case
when unused temporary negated result is the same with the result, which
is found by address sanitizer.