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-rw-r--r--llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 3a9d5fa..dddc08b 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -1397,6 +1397,12 @@ void CodeViewDebug::calculateRanges(
if (Location->Register == 0 || Location->LoadChain.size() > 1)
continue;
+ // Codeview can only express byte-aligned offsets, ensure that we have a
+ // byte-boundaried location.
+ if (Location->FragmentInfo)
+ if (Location->FragmentInfo->OffsetInBits % 8)
+ continue;
+
LocalVarDef DR;
DR.CVRegister = TRI->getCodeViewRegNum(Location->Register);
DR.InMemory = !Location->LoadChain.empty();