[GlobalISel] Avoid repeated hash lookups (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-llvm-globalisel

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/128633.diff

1 Files Affected:

• (modified) llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp (+3-2)

diff --git a/llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp b/llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp
index 9841c8ae1ffb2..05923e5fc97cc 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegacyLegalizerInfo.cpp
@@ -308,9 +308,10 @@ LegacyLegalizerInfo::findScalarLegalAction(const InstrAspect &Aspect) const {
   ArrayRef<SizeAndActionsVec> Actions;
   if (Aspect.Type.isPointer()) {
     auto &PA = AddrSpace2PointerActions[OpcodeIdx];
-    if (PA.find(Aspect.Type.getAddressSpace()) == PA.end())
+    auto It = PA.find(Aspect.Type.getAddressSpace());
+    if (It == PA.end())
       return {NotFound, LLT()};
-    Actions = PA.find(Aspect.Type.getAddressSpace())->second;
+    Actions = It->second;
   } else {
     Actions = ScalarActions[OpcodeIdx];
   }