llvm::sort(C.begin(), C.end(), ...) -> llvm::sort(C, ...)

Summary: The convenience wrapper in STLExtras is available since rL342102.

Reviewers: dblaikie, javed.absar, JDevlieghere, andreadb

Subscribers: MatzeB, sanjoy, arsenm, dschuff, mehdi_amini, sdardis, nemanjai, jvesely, nhaehnle, sbc100, jgravelle-google, eraman, aheejin, kbarton, JDevlieghere, javed.absar, gbedwell, jrtc27, mgrang, atanasyan, steven_wu, george.burgess.iv, dexonsmith, kristina, jsji, llvm-commits

Differential Revision: https://reviews.llvm.org/D52573

llvm-svn: 343163
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index fa83b48..857b83d 100644
--- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -1487,7 +1487,7 @@
   SmallVector<const SCEV *, 4> Key = F.BaseRegs;
   if (F.ScaledReg) Key.push_back(F.ScaledReg);
   // Unstable sort by host order ok, because this is only used for uniquifying.
-  llvm::sort(Key.begin(), Key.end());
+  llvm::sort(Key);
   return Uniquifier.count(Key);
 }
 
@@ -1511,7 +1511,7 @@
   SmallVector<const SCEV *, 4> Key = F.BaseRegs;
   if (F.ScaledReg) Key.push_back(F.ScaledReg);
   // Unstable sort by host order ok, because this is only used for uniquifying.
-  llvm::sort(Key.begin(), Key.end());
+  llvm::sort(Key);
 
   if (!Uniquifier.insert(Key).second)
     return false;
@@ -4238,7 +4238,7 @@
           Key.push_back(F.ScaledReg);
         // Unstable sort by host order ok, because this is only used for
         // uniquifying.
-        llvm::sort(Key.begin(), Key.end());
+        llvm::sort(Key);
 
         std::pair<BestFormulaeTy::const_iterator, bool> P =
           BestFormulae.insert(std::make_pair(Key, FIdx));