[lld] Avoid repeated map lookups (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-platform-windows

@llvm/pr-subscribers-lld-coff

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/132327.diff

1 Files Affected:

• (modified) lld/COFF/Writer.cpp (+1-2)

diff --git a/lld/COFF/Writer.cpp b/lld/COFF/Writer.cpp
index f488721106e15..6ed1f884a9636 100644
--- a/lld/COFF/Writer.cpp
+++ b/lld/COFF/Writer.cpp
@@ -1278,8 +1278,7 @@ void Writer::createImportTables() {
       continue;
 
     std::string dll = StringRef(file->dllName).lower();
-    if (ctx.config.dllOrder.count(dll) == 0)
-      ctx.config.dllOrder[dll] = ctx.config.dllOrder.size();
+    ctx.config.dllOrder.try_emplace(dll, ctx.config.dllOrder.size());
 
     if (file->impSym && !isa<DefinedImportData>(file->impSym))
       Fatal(ctx) << file->symtab.printSymbol(file->impSym) << " was replaced";

[llvmbot]

@llvm/pr-subscribers-lld

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/132327.diff

1 Files Affected:

• (modified) lld/COFF/Writer.cpp (+1-2)

diff --git a/lld/COFF/Writer.cpp b/lld/COFF/Writer.cpp
index f488721106e15..6ed1f884a9636 100644
--- a/lld/COFF/Writer.cpp
+++ b/lld/COFF/Writer.cpp
@@ -1278,8 +1278,7 @@ void Writer::createImportTables() {
       continue;
 
     std::string dll = StringRef(file->dllName).lower();
-    if (ctx.config.dllOrder.count(dll) == 0)
-      ctx.config.dllOrder[dll] = ctx.config.dllOrder.size();
+    ctx.config.dllOrder.try_emplace(dll, ctx.config.dllOrder.size());
 
     if (file->impSym && !isa<DefinedImportData>(file->impSym))
       Fatal(ctx) << file->symtab.printSymbol(file->impSym) << " was replaced";

[Zhenhang1213]

LGTM