[all-commits] [llvm/llvm-project] b86a1c: [PowerPC] dyn_cast should be dyn_cast_or_null in M...

[Masoud Ataei Jaliseh via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: b86a1cd2f8540b311b5b921235e612fea4134dff
      https://github.com/llvm/llvm-project/commit/b86a1cd2f8540b311b5b921235e612fea4134dff
  Author: Masoud Ataei <msd.ataei at gmail.com>
  Date:   2020-11-24 (Tue, 24 Nov 2020)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCLowerMASSVEntries.cpp
    M llvm/test/CodeGen/PowerPC/pow_massv_075_025exp.ll
    M llvm/test/CodeGen/PowerPC/powf_massv_075_025exp.ll

  Log Message:
  -----------
  [PowerPC] dyn_cast should be dyn_cast_or_null in MASSV pass

It is possible that we have different constants in different slots
of second vector double (float) of pow function. So, in this case
Exp->getSplatValue() will return nullptr. Here, I handle it properly.

Reviewed By: steven.zhang, PowerPC

Differential Revision: https://reviews.llvm.org/D91729