[PATCH] D49131: [MC] Add interface to finish pending labels.

[Jonas Devlieghere via Phabricator via llvm-commits]

JDevlieghere updated this revision to Diff 154803.
JDevlieghere added a comment.

- Add comment


https://reviews.llvm.org/D49131

Files:
  llvm/include/llvm/MC/MCObjectStreamer.h
  llvm/lib/MC/MCObjectStreamer.cpp
  llvm/tools/dsymutil/MachOUtils.cpp


Index: llvm/tools/dsymutil/MachOUtils.cpp
===================================================================
--- llvm/tools/dsymutil/MachOUtils.cpp
+++ llvm/tools/dsymutil/MachOUtils.cpp
@@ -322,8 +322,10 @@
   auto &ObjectStreamer = static_cast<MCObjectStreamer &>(MS);
   MCAssembler &MCAsm = ObjectStreamer.getAssembler();
   auto &Writer = static_cast<MachObjectWriter &>(MCAsm.getWriter());
-  MCAsmLayout Layout(MCAsm);
 
+  // Finish but don't emit.
+  ObjectStreamer.finishPendingLabels();
+  MCAsmLayout Layout(MCAsm);
   MCAsm.layout(Layout);
 
   BinaryHolder InputBinaryHolder(false);
Index: llvm/lib/MC/MCObjectStreamer.cpp
===================================================================
--- llvm/lib/MC/MCObjectStreamer.cpp
+++ llvm/lib/MC/MCObjectStreamer.cpp
@@ -668,6 +668,6 @@
   // Dump out the dwarf file & directory tables and line tables.
   MCDwarfLineTable::Emit(this, getAssembler().getDWARFLinetableParams());
 
-  flushPendingLabels(nullptr);
+  flushPendingLabels();
   getAssembler().Finish();
 }
Index: llvm/include/llvm/MC/MCObjectStreamer.h
===================================================================
--- llvm/include/llvm/MC/MCObjectStreamer.h
+++ llvm/include/llvm/MC/MCObjectStreamer.h
@@ -90,6 +90,9 @@
 public:
   void visitUsedSymbol(const MCSymbol &Sym) override;
 
+  /// Create a dummy fragment to assign any pending labels.
+  void flushPendingLabels() { flushPendingLabels(nullptr); }
+
   MCAssembler &getAssembler() { return *Assembler; }
   MCAssembler *getAssemblerPtr() override;
   /// \name MCStreamer Interface


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