[lld] r322219 - [WebAssembly] Optimize Writer::lookupType

[Sam Clegg via llvm-commits]

Author: sbc
Date: Wed Jan 10 12:12:26 2018
New Revision: 322219

URL: http://llvm.org/viewvc/llvm-project?rev=322219&view=rev
Log:
[WebAssembly] Optimize Writer::lookupType

Followup on https://reviews.llvm.org/D41894

Modified:
    lld/trunk/wasm/Writer.cpp

Modified: lld/trunk/wasm/Writer.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/wasm/Writer.cpp?rev=322219&r1=322218&r2=322219&view=diff
==============================================================================
--- lld/trunk/wasm/Writer.cpp (original)
+++ lld/trunk/wasm/Writer.cpp Wed Jan 10 12:12:26 2018
@@ -571,9 +571,12 @@ void Writer::calculateImports() {
 }
 
 uint32_t Writer::lookupType(const WasmSignature &Sig) {
-  if (TypeIndices.count(Sig) == 0)
+  auto It = TypeIndices.find(Sig);
+  if (It == TypeIndices.end()) {
     error("type not found: " + toString(Sig));
-  return TypeIndices.lookup(Sig);
+    return 0;
+  }
+  return It->second;
 }
 
 uint32_t Writer::registerType(const WasmSignature &Sig) {