Revert "[DebugInfo] MachineSink: Insert undef DBG_VALUEs when sinking instructions"
authorJeremy Morse <jeremy.morse@sony.com>
Thu, 31 Oct 2019 12:34:17 +0000 (12:34 +0000)
committerJeremy Morse <jeremy.morse@sony.com>
Thu, 31 Oct 2019 12:39:06 +0000 (12:39 +0000)
commita8db456b53a1783e2c8b3f3a6666dfa715a885d4
tree5169ab07643d51756c2486e72cc47ed9702ba272
parentd382a8a768b3636c5aa1a934977c54d0215633cf
Revert "[DebugInfo] MachineSink: Insert undef DBG_VALUEs when sinking instructions"

This reverts commit ee50590e1684c197bc4336984795e48bf53c7a4e.

PR43855 reports a performance regression from this commit, which I'll
look into.
llvm/lib/CodeGen/MachineSink.cpp
llvm/test/DebugInfo/MIR/X86/postra-subreg-sink.mir
llvm/test/DebugInfo/MIR/X86/sink-leaves-undef.mir [deleted file]