[Target] Use llvm::max_element (NFC) (#137926)

Author: kazutakahirata

llvm/lib/Target/Mips/MipsDelaySlotFiller.cpp

@@ -877,9 +877,9 @@ MipsDelaySlotFiller::selectSuccBB(MachineBasicBlock &B) const {
 
   // Select the successor with the larget edge weight.
   auto &Prob = getAnalysis<MachineBranchProbabilityInfoWrapperPass>().getMBPI();
-  MachineBasicBlock *S = *std::max_element(
-      B.succ_begin(), B.succ_end(),
-      [&](const MachineBasicBlock *Dst0, const MachineBasicBlock *Dst1) {
+  MachineBasicBlock *S =
+      *llvm::max_element(B.successors(), [&](const MachineBasicBlock *Dst0,
+                                             const MachineBasicBlock *Dst1) {
         return Prob.getEdgeProbability(&B, Dst0) <
                Prob.getEdgeProbability(&B, Dst1);
       });

llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp

@@ -2542,8 +2542,7 @@ SDValue WebAssemblyTargetLowering::LowerBUILD_VECTOR(SDValue Op,
   };
 
   auto GetMostCommon = [](auto &Counts) {
-    auto CommonIt =
-        std::max_element(Counts.begin(), Counts.end(), llvm::less_second());
+    auto CommonIt = llvm::max_element(Counts, llvm::less_second());
     assert(CommonIt != Counts.end() && "Unexpected all-undef build_vector");
     return *CommonIt;
   };