[PATCH] D130535: add a nullptr check for DW_AT_call_site to ensure Function will not be empty

[Rui Zhong via Phabricator via llvm-commits]

zr33 created this revision.
Herald added a reviewer: rafauler.
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zr33 requested review of this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D130535

Files:
  bolt/lib/Rewrite/DWARFRewriter.cpp


Index: bolt/lib/Rewrite/DWARFRewriter.cpp
===================================================================
--- bolt/lib/Rewrite/DWARFRewriter.cpp
+++ bolt/lib/Rewrite/DWARFRewriter.cpp
@@ -485,7 +485,8 @@
         Optional<uint64_t> Address = AttrVal.V.getAsAddress();
         const BinaryFunction *Function =
             BC.getBinaryFunctionContainingAddress(*Address);
-        const uint64_t UpdatedAddress =
+        if(!Function) return;
+	const uint64_t UpdatedAddress =
             Function->translateInputToOutputAddress(*Address);
         const uint32_t Index =
             AddrWriter->getIndexFromAddress(UpdatedAddress, Unit);


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