[llvm] 485d7ea - [MC] Remove remnant code related to pending labels

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2024-06-22T09:41:34-07:00
New Revision: 485d7eaefd93c4f6bc8c51c9a169ffb22ce3a898

URL: https://github.com/llvm/llvm-project/commit/485d7eaefd93c4f6bc8c51c9a169ffb22ce3a898
DIFF: https://github.com/llvm/llvm-project/commit/485d7eaefd93c4f6bc8c51c9a169ffb22ce3a898.diff

LOG: [MC] Remove remnant code related to pending labels

Added: 
    

Modified: 
    llvm/include/llvm/MC/MCObjectStreamer.h
    llvm/lib/MC/MCObjectStreamer.cpp
    llvm/lib/MC/MCSection.cpp

Removed: 
    


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diff  --git a/llvm/include/llvm/MC/MCObjectStreamer.h b/llvm/include/llvm/MC/MCObjectStreamer.h
index f4406b255231d..9f6e1aa95f352 100644
--- a/llvm/include/llvm/MC/MCObjectStreamer.h
+++ b/llvm/include/llvm/MC/MCObjectStreamer.h
@@ -43,8 +43,6 @@ class MCObjectStreamer : public MCStreamer {
   std::unique_ptr<MCAssembler> Assembler;
   bool EmitEHFrame;
   bool EmitDebugFrame;
-  SmallVector<MCSymbol *, 2> PendingLabels;
-  SmallSetVector<MCSection *, 4> PendingLabelSections;
   unsigned CurSubsectionIdx = 0;
   struct PendingMCFixup {
     const MCSymbol *Sym;
@@ -105,12 +103,6 @@ class MCObjectStreamer : public MCStreamer {
 protected:
   bool changeSectionImpl(MCSection *Section, const MCExpr *Subsection);
 
-  /// If any labels have been emitted but not assigned fragments in the current
-  /// Section and Subsection, ensure that they get assigned to fragment F.
-  /// Optionally, one can provide an offset \p FOffset as a symbol offset within
-  /// the fragment.
-  void flushPendingLabels(MCFragment *F, uint64_t FOffset = 0) {}
-
 public:
   void visitUsedSymbol(const MCSymbol &Sym) override;
 

diff  --git a/llvm/lib/MC/MCObjectStreamer.cpp b/llvm/lib/MC/MCObjectStreamer.cpp
index f724973f46449..75506514368a7 100644
--- a/llvm/lib/MC/MCObjectStreamer.cpp
+++ b/llvm/lib/MC/MCObjectStreamer.cpp
@@ -128,8 +128,6 @@ void MCObjectStreamer::reset() {
   }
   EmitEHFrame = true;
   EmitDebugFrame = false;
-  PendingLabels.clear();
-  PendingLabelSections.clear();
   MCStreamer::reset();
 }
 

diff  --git a/llvm/lib/MC/MCSection.cpp b/llvm/lib/MC/MCSection.cpp
index 495826efb6a2a..c209c9715f474 100644
--- a/llvm/lib/MC/MCSection.cpp
+++ b/llvm/lib/MC/MCSection.cpp
@@ -79,9 +79,6 @@ void MCSection::switchSubsection(unsigned Subsection) {
 
 StringRef MCSection::getVirtualSectionKind() const { return "virtual"; }
 
-void MCSection::addPendingLabel(MCSymbol *label, unsigned Subsection) {
-}
-
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 LLVM_DUMP_METHOD void MCSection::dump() const {
   raw_ostream &OS = errs();