[CodeGen] Use range-based for loops (NFC) (#104536)

Author: kazutakahirata

llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp

@@ -1463,8 +1463,8 @@ static uint64_t getOffsetFromIndices(const User &U, const DataLayout &DL) {
     for (auto Idx : IVI->indices())
       Indices.push_back(ConstantInt::get(Int32Ty, Idx));
   } else {
-    for (unsigned i = 1; i < U.getNumOperands(); ++i)
-      Indices.push_back(U.getOperand(i));
+    for (Value *Op : drop_begin(U.operands()))
+      Indices.push_back(Op);
   }
 
   return 8 * static_cast<uint64_t>(

llvm/lib/CodeGen/TypePromotion.cpp

@@ -665,8 +665,8 @@ void IRPromoter::Mutate() {
     } else if (auto *Switch = dyn_cast<SwitchInst>(I))
       TruncTysMap[I].push_back(Switch->getCondition()->getType());
     else {
-      for (unsigned i = 0; i < I->getNumOperands(); ++i)
-        TruncTysMap[I].push_back(I->getOperand(i)->getType());
+      for (const Value *Op : I->operands())
+        TruncTysMap[I].push_back(Op->getType());
     }
   }
   for (auto *V : Visited) {