Use empty() instead of comparing size() with zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46514 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 3 insertions, 3 deletions

diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp
index 1521c5f..33bfbf0 100644
--- a/lib/Transforms/Scalar/LICM.cpp
+++ b/lib/Transforms/Scalar/LICM.cpp
@@ -476,7 +476,7 @@ void LICM::sink(Instruction &I) {
       while (isa<PHINode>(InsertPt)) ++InsertPt;
       ExitBlocks[0]->getInstList().insert(InsertPt, &I);
     }
-  } else if (ExitBlocks.size() == 0) {
+  } else if (ExitBlocks.empty()) {
     // The instruction is actually dead if there ARE NO exit blocks.
     CurAST->deleteValue(&I);
     if (!I.use_empty())  // If I has users in unreachable blocks, eliminate.
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 7ce4711..5d80b75 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -1214,7 +1214,7 @@ void LoopStrengthReduce::StrengthReduceStridedIVUsers(const SCEVHandle &Stride,
                                                       Loop *L,
                                                       bool isOnlyStride) {
   // If all the users are moved to another stride, then there is nothing to do.
-  if (Uses.Users.size() == 0)
+  if (Uses.Users.empty())
     return;
 
   // Keep track if every use in UsersToProcess is an address. If they all are,
diff --git a/lib/Transforms/Scalar/Reassociate.cpp b/lib/Transforms/Scalar/Reassociate.cpp
index 9bc1018..b0fd3d6 100644
--- a/lib/Transforms/Scalar/Reassociate.cpp
+++ b/lib/Transforms/Scalar/Reassociate.cpp
@@ -722,7 +722,7 @@ Value *Reassociate::OptimizeExpression(BinaryOperator *I,
       
       ++NumFactor;
       
-      if (Ops.size() == 0)
+      if (Ops.empty())
         return V2;
 
       // Add the new value to the list of things being added.