[Transforms] Construct SmallVector with iterator ranges (NFC) (llvm#105607)

Author: kazutakahirata

llvm/lib/Transforms/HipStdPar/HipStdPar.cpp

@@ -80,7 +80,7 @@ static inline bool checkIfSupported(GlobalVariable &G) {
     << G.getName();
 
   Instruction *I = nullptr;
-  SmallVector<User *> Tmp(G.user_begin(), G.user_end());
+  SmallVector<User *> Tmp(G.users());
   SmallPtrSet<User *, 5> Visited;
   do {
     auto U = std::move(Tmp.back());

llvm/lib/Transforms/IPO/AttributorAttributes.cpp

@@ -12334,7 +12334,7 @@ struct AAIndirectCallInfoCallSite : public AAIndirectCallInfo {
     bool CBIsVoid = CB->getType()->isVoidTy();
     BasicBlock::iterator IP = CB->getIterator();
     FunctionType *CSFT = CB->getFunctionType();
-    SmallVector<Value *> CSArgs(CB->arg_begin(), CB->arg_end());
+    SmallVector<Value *> CSArgs(CB->args());
 
     // If we know all callees and there are none, the call site is (effectively)
     // dead (or UB).