[PATCH] D110740: Do not emit prologue_end for line 0 locs

[Shubham Sandeep Rastogi via Phabricator via llvm-commits]

rastogishubham updated this revision to Diff 376085.
rastogishubham added a comment.
Herald added a subscriber: ormris.

As suggested by Adrian and Paul, I have reduced the original testcase to be smaller by using a small C sample and compiling only with -gline-tables-only. I have also added another test case where if the only .loc is a line 0 loc, we want to have a prologue_end there, and only move the prologue_end to a non-zero .loc if it exists.

I have also edited my change to llvm/test/DebugInfo/MIR/X86/debug-loc-0.mir to be consistent with what it is testing


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110740/new/

https://reviews.llvm.org/D110740

Files:
  llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
  llvm/test/CodeGen/X86/line-zero-prologue-end.ll
  llvm/test/CodeGen/X86/no-non-zero-debug-loc-prologue.ll
  llvm/test/DebugInfo/MIR/X86/debug-loc-0.mir
  llvm/test/DebugInfo/X86/dbg-prolog-end.ll

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