[llvm] Use range-based for loops (NFC)

Author: kazutakahirata

llvm/lib/ProfileData/SampleProfWriter.cpp

@@ -83,11 +83,9 @@ void DefaultFunctionPruningStrategy::Erase(size_t CurrentOutputSize) {
     NumToRemove = 1;
 
   assert(NumToRemove <= SortedFunctions.size());
-  llvm::for_each(
-      llvm::make_range(SortedFunctions.begin() + SortedFunctions.size() -
-                           NumToRemove,
-                       SortedFunctions.end()),
-      [&](const NameFunctionSamples &E) { ProfileMap.erase(E.first); });
+  for (const NameFunctionSamples &E :
+       llvm::drop_begin(SortedFunctions, SortedFunctions.size() - NumToRemove))
+    ProfileMap.erase(E.first);
   SortedFunctions.resize(SortedFunctions.size() - NumToRemove);
 }
 

llvm/lib/Transforms/Scalar/GuardWidening.cpp

@@ -209,7 +209,8 @@ class GuardWideningImpl {
 
   void makeAvailableAt(const SmallVectorImpl<Value *> &Checks,
                        Instruction *InsertPos) const {
-    for_each(Checks, [&](Value *V) { makeAvailableAt(V, InsertPos); });
+    for (Value *V : Checks)
+      makeAvailableAt(V, InsertPos);
   }
 
   /// Common helper used by \c widenGuard and \c isWideningCondProfitable.  Try