Frederic Riss 02c39fa277 [MCDwarf] Do not emit useless line table opcode.
No need to emit a DW_LNS_advance_pc with a 0 increment. Found out while
comparing dsymutil's and LLVM's line table encoding. Not a correctenss
fix, just a small encoding size optimization.

I'm not sure how to generate a sequence that triggers this, and moreover
llvm-dwardump doesn't dump the line table program, thus the effort
involved in creating a testcase for this trivial patch seemed out of
proportion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232332 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-15 20:45:39 +00:00
2015-03-12 01:25:29 +00:00

Low Level Virtual Machine (LLVM)
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