Revert "Fix 24560: assembler does not share constant pool for same constants"

This reverts commit r286006. It caused PR32825 and wasn't fixed.

llvm-svn: 303535

1 files changed, 1 insertions, 11 deletions

diff --git a/llvm/lib/MC/ConstantPools.cpp b/llvm/lib/MC/ConstantPools.cpp
index ca54402..a217b23 100644
--- a/llvm/lib/MC/ConstantPools.cpp
+++ b/llvm/lib/MC/ConstantPools.cpp
@@ -39,20 +39,10 @@ void ConstantPool::emitEntries(MCStreamer &Streamer) {
 
 const MCExpr *ConstantPool::addEntry(const MCExpr *Value, MCContext &Context,
                                      unsigned Size, SMLoc Loc) {
-  const MCConstantExpr *C = dyn_cast<MCConstantExpr>(Value);
-
-  // Check if there is existing entry for the same constant. If so, reuse it.
-  auto Itr = C ? CachedEntries.find(C->getValue()) : CachedEntries.end();
-  if (Itr != CachedEntries.end())
-    return Itr->second;
-
   MCSymbol *CPEntryLabel = Context.createTempSymbol();
 
   Entries.push_back(ConstantPoolEntry(CPEntryLabel, Value, Size, Loc));
-  const auto SymRef = MCSymbolRefExpr::create(CPEntryLabel, Context);
-  if (C)
-    CachedEntries[C->getValue()] = SymRef;
-  return SymRef;
+  return MCSymbolRefExpr::create(CPEntryLabel, Context);
 }
 
 bool ConstantPool::empty() { return Entries.empty(); }