Use DenseMap::lookup() instead of find() and a hand-written null check.

llvm-svn: 326382

2 files changed, 2 insertions, 8 deletions

diff --git a/lld/COFF/SymbolTable.cpp b/lld/COFF/SymbolTable.cpp
index 81c7b94795a..73d54073e35 100644
--- a/lld/COFF/SymbolTable.cpp
+++ b/lld/COFF/SymbolTable.cpp
@@ -317,10 +317,7 @@ std::vector<Chunk *> SymbolTable::getChunks() {
 }
 
 Symbol *SymbolTable::find(StringRef Name) {
-  auto It = SymMap.find(CachedHashStringRef(Name));
-  if (It == SymMap.end())
-    return nullptr;
-  return It->second;
+  return SymMap.lookup(CachedHashStringRef(Name));
 }
 
 Symbol *SymbolTable::findUnderscore(StringRef Name) {
diff --git a/lld/wasm/SymbolTable.cpp b/lld/wasm/SymbolTable.cpp
index bf7d33c359e..5a2f1537952 100644
--- a/lld/wasm/SymbolTable.cpp
+++ b/lld/wasm/SymbolTable.cpp
@@ -56,10 +56,7 @@ void SymbolTable::reportRemainingUndefines() {
 }
 
 Symbol *SymbolTable::find(StringRef Name) {
-  auto It = SymMap.find(CachedHashStringRef(Name));
-  if (It == SymMap.end())
-    return nullptr;
-  return It->second;
+  return SymMap.lookup(CachedHashStringRef(Name));
 }
 
 std::pair<Symbol *, bool> SymbolTable::insert(StringRef Name) {