[all-commits] [llvm/llvm-project] 2bd473: [PowerPC] Fix signed overflow in decomposeMulByCon...

[Fangrui Song via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 2bd4730850cc0f3ab7bd0c51b18c0a220e480dc7
      https://github.com/llvm/llvm-project/commit/2bd4730850cc0f3ab7bd0c51b18c0a220e480dc7
  Author: Fangrui Song <i at maskray.me>
  Date:   2020-10-09 (Fri, 09 Oct 2020)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCISelLowering.cpp

  Log Message:
  -----------
  [PowerPC] Fix signed overflow in decomposeMulByConstant after D88201

Caught by multipliers LONG_MAX (after +1) and LONG_MIN (after -1) in CodeGen/PowerPC/mul-const-i64.ll