[PATCH] D100158: [SantizerCoverage] handle missing DBG MD when inserting libcalls

[David Blaikie via Phabricator via llvm-commits]

dblaikie added inline comments.


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Comment at: llvm/test/Instrumentation/SanitizerCoverage/crit-edge-sancov.ll:24
+; CHECK-NEXT:    call void @__sanitizer_cov_trace_pc() #[[ATTR0]], !dbg [[DBG7:![0-9]+]]
+; CHECK:       [[DBG6]] = !DILocation(line: {{.*}}, scope: !3)
+entry:
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nickdesaulniers wrote:
> dblaikie wrote:
> > Probably good to check this is actually line 0, since that's what the code does intentionally - it'd be weird/problematic if we invented/used some other location.
> I think it will be `scopeLine` of parent plus `0`.
hmm, wait, that doesn't sound right - sorry, didn't realize that's what the code is doing. The code should be setting the line to 0, not the scopeLine. (line 0 is for lines that aren't related to any particular/identifiable line of source code)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100158/new/

https://reviews.llvm.org/D100158