[llvm] r229058 - [unroll] Replace a boolean, for loop, condition, and break with

[Chandler Carruth]

Author: chandlerc
Date: Thu Feb 12 22:18:14 2015
New Revision: 229058

URL: http://llvm.org/viewvc/llvm-project?rev=229058&view=rev
Log:
[unroll] Replace a boolean, for loop, condition, and break with
std::all_of and a lambda. Much cleaner, no functionality
changed.

Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopUnrollPass.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopUnrollPass.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopUnrollPass.cpp?rev=229058&r1=229057&r2=229058&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopUnrollPass.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopUnrollPass.cpp Thu Feb 12 22:18:14 2015
@@ -542,14 +542,10 @@ public:
         continue;
       if (DeadInstructions.count(I))
         continue;
-      bool AllUsersFolded = true;
-      for (User *U : I->users())
-        if (!DeadInstructions.count(cast<Instruction>(U))) {
-          AllUsersFolded = false;
-          break;
-        }
 
-      if (AllUsersFolded) {
+      if (std::all_of(I->user_begin(), I->user_end(), [&](User *U) {
+            return DeadInstructions.count(cast<Instruction>(U));
+          })) {
         NumberOfOptimizedInstructions += TTI.getUserCost(I);
         DeadInstructions.insert(I);
         EnqueueOperands(*I);