Delete trailing whitespace; NFC

llvm-svn: 256906

1 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp b/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp
index 79a84ad8c6c..3d1ab4e3fc2 100644
--- a/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp
+++ b/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp
@@ -158,7 +158,7 @@ INITIALIZE_PASS_END(AArch64A57FPLoadBalancing, DEBUG_TYPE,
                     "AArch64 A57 FP Load-Balancing", false, false)
 
 namespace {
-/// A Chain is a sequence of instructions that are linked together by 
+/// A Chain is a sequence of instructions that are linked together by
 /// an accumulation operand. For example:
 ///
 ///   fmul d0<def>, ?
@@ -285,7 +285,7 @@ public:
   std::string str() const {
     std::string S;
     raw_string_ostream OS(S);
-    
+
     OS << "{";
     StartInst->print(OS, /* SkipOpers= */true);
     OS << " -> ";
@@ -427,7 +427,7 @@ Chain *AArch64A57FPLoadBalancing::getAndEraseNext(Color PreferredColor,
       return Ch;
     }
   }
-  
+
   // Bailout case - just return the first item.
   Chain *Ch = L.front();
   L.erase(L.begin());
@@ -495,7 +495,7 @@ int AArch64A57FPLoadBalancing::scavengeRegister(Chain *G, Color C,
   RS.enterBasicBlock(&MBB);
   RS.forward(MachineBasicBlock::iterator(G->getStart()));
 
-  // Can we find an appropriate register that is available throughout the life 
+  // Can we find an appropriate register that is available throughout the life
   // of the chain?
   unsigned RegClassID = G->getStart()->getDesc().OpInfo[0].RegClass;
   BitVector AvailableRegs = RS.getRegsAvailable(TRI->getRegClass(RegClassID));