[llvm] [SPIRV] Avoid repeated hash lookups (NFC) (PR #128303)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/128303

None

>From ea93f17b19edb6eade754b565bb54eaddac3b587 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Fri, 21 Feb 2025 11:25:09 -0800
Subject: [PATCH] [SPIRV] Avoid repeated hash lookups (NFC)

---
 llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.h b/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.h
index e574892712298..441e32c1eb695 100644
--- a/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.h
+++ b/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.h
@@ -154,22 +154,23 @@ template <typename KeyTy> class SPIRVDuplicatesTrackerBase {
     if (find(V, MF).isValid())
       return;
 
-    Storage[V][MF] = R;
+    auto &S = Storage[V];
+    S[MF] = R;
     if (std::is_same<Function,
                      typename std::remove_const<
                          typename std::remove_pointer<KeyTy>::type>::type>() ||
         std::is_same<Argument,
                      typename std::remove_const<
                          typename std::remove_pointer<KeyTy>::type>::type>())
-      Storage[V].setIsFunc(true);
+      S.setIsFunc(true);
     if (std::is_same<GlobalVariable,
                      typename std::remove_const<
                          typename std::remove_pointer<KeyTy>::type>::type>())
-      Storage[V].setIsGV(true);
+      S.setIsGV(true);
     if (std::is_same<Constant,
                      typename std::remove_const<
                          typename std::remove_pointer<KeyTy>::type>::type>())
-      Storage[V].setIsConst(true);
+      S.setIsConst(true);
   }
 
   Register find(KeyTy V, const MachineFunction *MF) const {