Strip trailing whitespace. NFCI.

llvm-svn: 329421

1 files changed, 8 insertions, 8 deletions

diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp
index 2f0fd42..67e2095 100644
--- a/llvm/lib/Transforms/Utils/LoopUtils.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp
@@ -923,13 +923,13 @@ bool InductionDescriptor::isFPInductionPHI(PHINode *Phi, const Loop *TheLoop,
 }
 
 /// This function is called when we suspect that the update-chain of a phi node
-/// (whose symbolic SCEV expression sin \p PhiScev) contains redundant casts, 
-/// that can be ignored. (This can happen when the PSCEV rewriter adds a runtime 
-/// predicate P under which the SCEV expression for the phi can be the 
-/// AddRecurrence \p AR; See createAddRecFromPHIWithCast). We want to find the 
-/// cast instructions that are involved in the update-chain of this induction. 
-/// A caller that adds the required runtime predicate can be free to drop these 
-/// cast instructions, and compute the phi using \p AR (instead of some scev 
+/// (whose symbolic SCEV expression sin \p PhiScev) contains redundant casts,
+/// that can be ignored. (This can happen when the PSCEV rewriter adds a runtime
+/// predicate P under which the SCEV expression for the phi can be the
+/// AddRecurrence \p AR; See createAddRecFromPHIWithCast). We want to find the
+/// cast instructions that are involved in the update-chain of this induction.
+/// A caller that adds the required runtime predicate can be free to drop these
+/// cast instructions, and compute the phi using \p AR (instead of some scev
 /// expression with casts).
 ///
 /// For example, without a predicate the scev expression can take the following
@@ -964,7 +964,7 @@ static bool getCastsForInductionPHI(PredicatedScalarEvolution &PSE,
   assert(PSE.getSCEV(PN) == AR && "Unexpected phi node SCEV expression");
   const Loop *L = AR->getLoop();
 
-  // Find any cast instructions that participate in the def-use chain of 
+  // Find any cast instructions that participate in the def-use chain of
   // PhiScev in the loop.
   // FORNOW/TODO: We currently expect the def-use chain to include only
   // two-operand instructions, where one of the operands is an invariant.