[all-commits] [llvm/llvm-project] 184d72: [DebugInfo] Disallow fragmenting DIExpressions wit...

[Stephen Tozer via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 184d72a7c6a7f40e752a044eb0336cbd4c43d004
      https://github.com/llvm/llvm-project/commit/184d72a7c6a7f40e752a044eb0336cbd4c43d004
  Author: stozer <stephen.tozer at sony.com>
  Date:   2019-11-26 (Tue, 26 Nov 2019)

  Changed paths:
    M llvm/lib/IR/DebugInfoMetadata.cpp
    M llvm/unittests/IR/MetadataTest.cpp

  Log Message:
  -----------
  [DebugInfo] Disallow fragmenting DIExpressions with shift operators

DIExpressions with shift operators should not be fragmented for the same
reason as arithmetic operators: carry over cannot be expressed from one
fragment to the other, so an invalid result would be produced.

Differential Revision: https://reviews.llvm.org/D70601