Memdep says that an instruction clobbers itself
when it means there is no specific clobber instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116960 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemDepPrinter.cpp b/lib/Analysis/MemDepPrinter.cpp
index 841f4b6..597daff 100644
--- a/lib/Analysis/MemDepPrinter.cpp
+++ b/lib/Analysis/MemDepPrinter.cpp
@@ -150,7 +150,10 @@
WriteAsOperand(OS, DepBB, /*PrintType=*/false, M);
}
OS << " from: ";
- DepInst->print(OS);
+ if (DepInst == Inst)
+ OS << "<unspecified>";
+ else
+ DepInst->print(OS);
OS << "\n";
}