[llvm] r282372 - [SCEV] Simplify BackedgeTakenInfo::getMax; NFC

[Sanjoy Das via llvm-commits]

Author: sanjoy
Date: Sun Sep 25 20:10:22 2016
New Revision: 282372

URL: http://llvm.org/viewvc/llvm-project?rev=282372&view=rev
Log:
[SCEV] Simplify BackedgeTakenInfo::getMax; NFC

Modified:
    llvm/trunk/lib/Analysis/ScalarEvolution.cpp

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=282372&r1=282371&r2=282372&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Sun Sep 25 20:10:22 2016
@@ -5640,14 +5640,14 @@ ScalarEvolution::BackedgeTakenInfo::getE
 /// getMax - Get the max backedge taken count for the loop.
 const SCEV *
 ScalarEvolution::BackedgeTakenInfo::getMax(ScalarEvolution *SE) const {
-  // TODO: use any_of
-  for (auto &ENT : ExitNotTaken)
-    if (!ENT.hasAlwaysTruePredicate())
-      return SE->getCouldNotCompute();
+  auto PredicateNotAlwaysTrue = [](const ExitNotTakenInfo &ENT) {
+    return !ENT.hasAlwaysTruePredicate();
+  };
 
-  if (auto *Max = getMax())
-    return Max;
-  return SE->getCouldNotCompute();
+  if (any_of(ExitNotTaken, PredicateNotAlwaysTrue) || !getMax())
+    return SE->getCouldNotCompute();
+
+  return getMax();
 }
 
 bool ScalarEvolution::BackedgeTakenInfo::hasOperand(const SCEV *S,