[llvm] 0323554 - [GlobalISel] Avoid repeated hash lookups (NFC) (#127372)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-02-16T08:15:36-08:00
New Revision: 03235540558c869841cf016ebd7e1aeb7eb341b0

URL: https://github.com/llvm/llvm-project/commit/03235540558c869841cf016ebd7e1aeb7eb341b0
DIFF: https://github.com/llvm/llvm-project/commit/03235540558c869841cf016ebd7e1aeb7eb341b0.diff

LOG: [GlobalISel] Avoid repeated hash lookups (NFC) (#127372)

Added: 
    

Modified: 
    llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp b/llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp
index 45b403bdd0765..f338f66997657 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp
@@ -305,10 +305,10 @@ LegacyLegalizerInfo::findScalarLegalAction(const InstrAspect &Aspect) const {
   if (Aspect.Opcode < FirstOp || Aspect.Opcode > LastOp)
     return {NotFound, LLT()};
   const unsigned OpcodeIdx = getOpcodeIdxForOpcode(Aspect.Opcode);
-  if (Aspect.Type.isPointer() &&
-      AddrSpace2PointerActions[OpcodeIdx].find(Aspect.Type.getAddressSpace()) ==
-          AddrSpace2PointerActions[OpcodeIdx].end()) {
-    return {NotFound, LLT()};
+  if (Aspect.Type.isPointer()) {
+    auto &PA = AddrSpace2PointerActions[OpcodeIdx];
+    if (PA.find(Aspect.Type.getAddressSpace()) == PA.end())
+      return {NotFound, LLT()};
   }
   const SmallVector<SizeAndActionsVec, 1> &Actions =
       Aspect.Type.isPointer()