commit 14a1dd11de060cc323259902ee0f11e178bd03ec
author Adrian Prantl <aprantl@apple.com> Mon May 22 20:47:09 2017 +0000
committer Adrian Prantl <aprantl@apple.com> Mon May 22 20:47:09 2017 +0000
tree 141e708e0a091040086baa8872d4d77a3203f254
parent f850fed8c85d7ad21a34322049363b061d17b2ef

Don't generate line&scope debug info for meta-instructions.

MachineInstructions that don't generate any code (such as
IMPLICIT_DEFs) should not generate any debug info either.

Fixes PR33107.

https://bugs.llvm.org/show_bug.cgi?id=33107

This reapplies r303566 without any modifications. The stage2 build
failures persisted even after reverting this patch, and looking back
through history, it looks like these tests are flaky.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303575 91177308-0d34-0410-b5e6-96231b3b80d8