[bpf] fix build

fix build broken due to r233599.
Would still need to switch to MDLocation long term.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233619 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/BPF/BPFISelLowering.cpp b/lib/Target/BPF/BPFISelLowering.cpp
index d94416b..8b7a061 100644 (file)
--- a/lib/Target/BPF/BPFISelLowering.cpp
+++ b/lib/Target/BPF/BPFISelLowering.cpp
@@ -63,8 +63,8 @@ public:
     std::string Str;
     raw_string_ostream OS(Str);
 
-    if (DLoc.isUnknown() == false) {
-      DILocation DIL(DLoc.getAsMDNode(Fn.getContext()));
+    if (DLoc) {
+      DILocation DIL(DLoc.getAsMDNode());
       StringRef Filename = DIL.getFilename();
       unsigned Line = DIL.getLineNumber();
       unsigned Column = DIL.getColumnNumber();